{"id":5690,"date":"2026-06-08T10:29:02","date_gmt":"2026-06-08T02:29:02","guid":{"rendered":"https:\/\/ots-testequipment.net\/?p=5690"},"modified":"2026-06-09T11:21:18","modified_gmt":"2026-06-09T03:21:18","slug":"%ce%bf%ce%b4%ce%b7%ce%b3%cf%8c%cf%82-%ce%b3%ce%b9%ce%b1-%cf%84%ce%b7%ce%bd-%ce%ba%ce%b1%ce%bc%cf%80%cf%8d%ce%bb%ce%b7-%cf%84%ce%ac%cf%83%ce%b7%cf%82-%cf%80%ce%b1%cf%81%ce%b1%ce%bc%cf%8c%cf%81%cf%86","status":"publish","type":"post","link":"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/","title":{"rendered":"\u039f\u03b4\u03b7\u03b3\u03cc\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2: \u038c\u03bb\u03b1 \u03cc\u03c3\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03c4\u03b5"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u03a0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u0395\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u0395\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#What_Is_a_Stress-Strain_Curve\" >\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#How_is_the_Stress-Strain_Curve_Generated_Step-by-Step\" >\u03a0\u03ce\u03c2 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2; \u0392\u03ae\u03bc\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03b2\u03ae\u03bc\u03b1<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#Step_1_Ready_Place_the_Specimen_in_the_Testing_Machine\" >\u0392\u03ae\u03bc\u03b1 1: \u03a0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03ac\u03c3\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c3\u03c4\u03bf \u03bc\u03b7\u03c7\u03ac\u03bd\u03b7\u03bc\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#Step_2_Apply_Load_Measure_Deformation\" >\u0392\u03ae\u03bc\u03b1 2: \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#Step_3_Calculate_Stress_Strain_Values\" >\u0392\u03ae\u03bc\u03b1 3: \u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03c9\u03bd \u03c4\u03b9\u03bc\u03ce\u03bd \u03c4\u03ac\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#Step_4_Plot_the_Data_to_Create_the_Curve\" >\u0392\u03ae\u03bc\u03b1 4: \u0391\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#Main_Regions_of_the_Stress-Strain_Curve\" >\u039a\u03cd\u03c1\u03b9\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#1-_Elastic_Region\" >1- \u0395\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#2-_Yield_Point\" >2- \u03a3\u03b7\u03bc\u03b5\u03af\u03bf \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#3-_Plastic_Region\" >3- \u03a0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#4-_Ultimate_Tensile_Strength_UTS\" >4- \u039c\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03b5\u03c6\u03b5\u03bb\u03ba\u03c5\u03c3\u03bc\u03cc (UTS)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#5-_Fracture_Point\" >5- \u03a3\u03b7\u03bc\u03b5\u03af\u03bf \u03b8\u03c1\u03b1\u03cd\u03c3\u03b7\u03c2<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#Factors_That_Affect_the_Stress-Strain_Curve\" >\u03a0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#Material_Type\" >\u03a4\u03cd\u03c0\u03bf\u03c2 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd:\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#Temperature\" >\u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1:\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#Strain_Rate\" >\u03a1\u03c5\u03b8\u03bc\u03cc\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2:\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#Heat_Treatment\" >\u0398\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1:\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#Some_Common_Application_Cases_of_Stress-Strain_Curve\" >\u039c\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03ae\u03b8\u03b5\u03b9\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/ots-testequipment.net\/el\/blog\/guide-on-stress-strain-curve\/#Conclusion\" >\u03a3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1\u00a0<\/a><\/li><\/ul><\/nav><\/div>\n<p><span style=\"font-weight: 400;\">\u038c\u03c0\u03c9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5, \u03c4\u03b1 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https:\/\/ots-testequipment.net\/wp-content\/uploads\/2026\/06\/What-Is-a-Stress-Strain-Curve.webp 1000w\" sizes=\"(max-width: 499px) 100vw, 499px\" \/><\/p>\n<p><b>\u0397 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03c0\u03bb\u03cc \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03bd\u03c4\u03b9\u03b4\u03c1\u03ac \u03ad\u03bd\u03b1 \u03c5\u03bb\u03b9\u03ba\u03cc \u03cc\u03c4\u03b1\u03bd \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7. \u0392\u03b1\u03c3\u03b9\u03ba\u03ac, \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 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\u03ac\u03be\u03bf\u03bd\u03b1 (x).\u00a0<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">\u039c\u03b5 \u03b1\u03c0\u03bb\u03ac \u03bb\u03cc\u03b3\u03b9\u03b1, \u03c4\u03b1 \u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03b9\u03b1 \u03c3\u03b1\u03c6\u03ae \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd. \u0394\u03b5\u03af\u03c7\u03bd\u03bf\u03c5\u03bd \u03c3\u03b5 \u03c0\u03bf\u03b9\u03bf \u03b2\u03b1\u03b8\u03bc\u03cc \u03ad\u03bd\u03b1 \u03c5\u03bb\u03b9\u03ba\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bd\u03c4\u03ad\u03be\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c0\u03cc\u03c4\u03b5 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ac 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\u03b2\u03b1\u03c1\u03b9\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c1\u03ba\u03b5\u03c4\u03ac \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03ad\u03c7\u03b5\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c6\u03bf\u03c1\u03c4\u03af\u03b1.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">\u0391\u03c5\u03c4\u03ae \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ac \u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c4\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03c5\u03c0\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf. \u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03c4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b1\u03c5\u03c4\u03cc \u03b2\u03bf\u03b7\u03b8\u03ac \u03c3\u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2, \u03c4\u03b7\u03c2 \u03b1\u03ba\u03b1\u03bc\u03c8\u03af\u03b1\u03c2, \u03c4\u03b7\u03c2 \u03bf\u03bb\u03ba\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c7\u03c1\u03bf\u03bd\u03b1. \u0391\u03c5\u03c4\u03cc \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03bf\u03c5\u03bd \u03bb\u03ac\u03b8\u03bf\u03c2 \u03c5\u03bb\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_is_the_Stress-Strain_Curve_Generated_Step-by-Step\"><\/span><b>\u03a0\u03ce\u03c2 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2; \u0392\u03ae\u03bc\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03b2\u03ae\u03bc\u03b1<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">\u039d\u03b1 \u03b8\u03c5\u03bc\u03ac\u03c3\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03b4\u03b5\u03bd \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9 \u03b1\u03c0\u03cc \u03b5\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2, \u03b3\u03bd\u03c9\u03c3\u03c4\u03ae \u03c9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b5\u03c6\u03b5\u03bb\u03ba\u03c5\u03c3\u03bc\u03bf\u03cd. \u039a\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03b1\u03c5\u03c4\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2, \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03bc\u03b5 \u03c0\u03c1\u03bf\u03c3\u03bf\u03c7\u03ae, \u03ce\u03c3\u03c4\u03b5 \u03bf\u03b9 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03af \u03bd\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03bd\u03c4\u03b9\u03b4\u03c1\u03ac \u03ad\u03bd\u03b1 \u03c5\u03bb\u03b9\u03ba\u03cc. \u0391\u03c2 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd \u03b2\u03ae\u03bc\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03b2\u03ae\u03bc\u03b1 \u03c0\u03ce\u03c2 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_1_Ready_Place_the_Specimen_in_the_Testing_Machine\"><\/span><b>\u0392\u03ae\u03bc\u03b1 1: \u03a0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03ac\u03c3\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c3\u03c4\u03bf \u03bc\u03b7\u03c7\u03ac\u03bd\u03b7\u03bc\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u03a4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03b2\u03ae\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03bc\u03b9\u03b1\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03ba\u03b9\u03bc\u03af\u03bf\u03c5. \u03a4\u03bf \u03b4\u03bf\u03ba\u03af\u03bc\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03ad\u03bd\u03b1 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03b3\u03b9\u03b1 \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b8\u03ad\u03bb\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03bb\u03ac\u03b2\u03b5\u03c4\u03b5 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2. \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc, \u03ba\u03b1\u03bf\u03c5\u03c4\u03c3\u03bf\u03cd\u03ba, \u03bc\u03ad\u03c4\u03b1\u03bb\u03bb\u03bf \u03ae \u03bf\u03c0\u03bf\u03b9\u03bf\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03ac\u03bb\u03bb\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc. \u039a\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c0\u03c1\u03ce\u03c4\u03b1 \u03bd\u03b1 \u03c4\u03bf \u03ba\u03cc\u03c8\u03b5\u03c4\u03b5 \u03c3\u03b5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03c5\u03c0\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u039d\u03b1 \u03b8\u03c5\u03bc\u03ac\u03c3\u03c4\u03b5 \u03cc\u03c4\u03b9, \u03b1\u03bd \u03b4\u03b5\u03bd \u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03ba\u03bf\u03c0\u03ae\u03c2, \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03b1\u03ba\u03c1\u03b9\u03b2\u03ae. \u03a0\u03c1\u03b9\u03bd \u03cc\u03bc\u03c9\u03c2 \u03c0\u03c1\u03bf\u03c7\u03c9\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c3\u03c4\u03b7\u03bd \u03ba\u03bf\u03c0\u03ae, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03b1\u03c1\u03c7\u03b9\u03ba\u03cc \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b8\u03b1 \u03c4\u03b1 \u03c7\u03c1\u03b5\u03b9\u03b1\u03c3\u03c4\u03b5\u03af\u03c4\u03b5 \u03b1\u03c1\u03b3\u03cc\u03c4\u03b5\u03c1\u03b1. \u039c\u03cc\u03bb\u03b9\u03c2 \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c3\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03c4\u03bf\u03b9\u03bc\u03bf, \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b5\u03c6\u03b5\u03bb\u03ba\u03c5\u03c3\u03bc\u03bf\u03cd. \u0397 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ad\u03c2 \u03c3\u03b9\u03b1\u03b3\u03cc\u03bd\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03b3\u03ba\u03c1\u03b1\u03c4\u03bf\u03cd\u03bd \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03ac\u03ba\u03c1\u03b5\u03c2. \u0392\u03b5\u03b2\u03b1\u03b9\u03c9\u03b8\u03b5\u03af\u03c4\u03b5 \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd \u03cc\u03c4\u03b9 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03c3\u03c4\u03b5\u03c1\u03b5\u03ce\u03c3\u03b5\u03b9 \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03c3\u03b9\u03b1\u03b3\u03cc\u03bd\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03ba\u03b1\u03bc\u03af\u03b1 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03ae \u03b4\u03cc\u03bd\u03b7\u03c3\u03b7.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_2_Apply_Load_Measure_Deformation\"><\/span><b>\u0392\u03ae\u03bc\u03b1 2: \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u039c\u03cc\u03bb\u03b9\u03c2 \u03c3\u03c4\u03b5\u03c1\u03b5\u03ce\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf<\/span> <a href=\"https:\/\/ots-testequipment.net\/el\/tensile-tester\/\"><b>\u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ae\u03c2 \u03b5\u03c6\u03b5\u03bb\u03ba\u03c5\u03c3\u03bc\u03bf\u03cd<\/b><\/a><b>,<\/b><span style=\"font-weight: 400;\"> \u03be\u03b5\u03ba\u03b9\u03bd\u03ac \u03b7 \u03af\u03b4\u03b9\u03b1 \u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae. \u039f\u03b9 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ad\u03c2 \u03b5\u03c6\u03b5\u03bb\u03ba\u03c5\u03c3\u03bc\u03bf\u03cd \u03c4\u03c1\u03b1\u03b2\u03bf\u03cd\u03bd \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03ac\u03ba\u03c1\u03b5\u03c2 \u03bc\u03b5 \u03b1\u03c1\u03b3\u03cc, \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c1\u03c5\u03b8\u03bc\u03cc. \u0397 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ac, \u03cc\u03c7\u03b9 \u03bc\u03bf\u03bd\u03bf\u03bc\u03b9\u03ac\u03c2. \u0391\u03c5\u03c4\u03ae \u03b7 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ae \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 \u03c3\u03b1\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ac \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03b9\u03ba\u03c1\u03ae \u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03c3\u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1. \u0391\u03c1\u03c7\u03b9\u03ba\u03ac, \u03cc\u03c4\u03b1\u03bd \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03ae, \u03af\u03c3\u03c9\u03c2 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03ba\u03b1\u03bc\u03af\u03b1 \u03bf\u03c1\u03b1\u03c4\u03ae \u03b1\u03bb\u03bb\u03b1\u03b3\u03ae.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u038c\u03bc\u03c9\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7, \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c5\u03c6\u03af\u03c3\u03c4\u03b1\u03c4\u03b1\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 \u03c4\u03bf\u03c5. \u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03c5 \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7. \u0395\u03b9\u03b4\u03b9\u03ba\u03bf\u03af \u03b1\u03b9\u03c3\u03b8\u03b7\u03c4\u03ae\u03c1\u03b5\u03c2 \u03c3\u03c4\u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03bc\u03b5\u03c4\u03c1\u03bf\u03cd\u03bd \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2 \u03c4\u03bf \u03b2\u03b1\u03b8\u03bc\u03cc \u03c4\u03ac\u03bd\u03c5\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2. \u0397 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae \u03bc\u03b5\u03c4\u03c1\u03ac \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2 \u03c4\u03cc\u03c3\u03bf \u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03ba\u03b1\u03b8\u2019 \u03cc\u03bb\u03b7 \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_3_Calculate_Stress_Strain_Values\"><\/span><b>\u0392\u03ae\u03bc\u03b1 3: \u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03c9\u03bd \u03c4\u03b9\u03bc\u03ce\u03bd \u03c4\u03ac\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u0388\u03c7\u03b5\u03c4\u03b5 \u03c0\u03bb\u03ad\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2. \u03a3\u03c9\u03c3\u03c4\u03ac; \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b1\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03b4\u03cd\u03bf \u03b1\u03ba\u03b1\u03c4\u03ad\u03c1\u03b3\u03b1\u03c3\u03c4\u03b5\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03bd \u03b1\u03c1\u03ba\u03bf\u03cd\u03bd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03ac\u03c8\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03c4\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd. \u0393\u03b9\u2019 \u03b1\u03c5\u03c4\u03cc, \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1. \u03a0\u03ce\u03c2; \u03a3\u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1, \u03b7 \u03c4\u03ac\u03c3\u03b7 \u03c5\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03b9 \u03c4\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c5\u03bb\u03b9\u03ba\u03cc. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03c4\u03b7\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf\u03bd \u03b1\u03ba\u03cc\u03bb\u03bf\u03c5\u03b8\u03bf \u03c4\u03cd\u03c0\u03bf.<\/span><\/p>\n<p style=\"text-align: center;\"><i><span style=\"font-weight: 400;\">\u03a4\u03ac\u03c3\u03b7 = \u0394\u03cd\u03bd\u03b1\u03bc\u03b7 \u00f7 \u0391\u03c1\u03c7\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\">\u0391\u03c5\u03c4\u03cc\u03c2 \u03bf \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b8\u03b1 \u03b4\u03b5\u03af\u03be\u03b5\u03b9 \u03c0\u03cc\u03c3\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd. \u039c\u03b9\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c4\u03b9\u03bc\u03ae \u03c4\u03ac\u03c3\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03c5\u03c6\u03af\u03c3\u03c4\u03b1\u03c4\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf. \u03a4\u03ce\u03c1\u03b1, \u03bc\u03b5\u03c4\u03ac \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2, \u03ae\u03c1\u03b8\u03b5 \u03b7 \u03ce\u03c1\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2. \u0397 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf \u03c0\u03cc\u03c3\u03bf \u03c4\u03b5\u03bd\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c5\u03bb\u03b9\u03ba\u03cc \u03c3\u03b5 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf \u03b1\u03c1\u03c7\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03bc\u03ae\u03ba\u03bf\u03c2. \u0393\u03b9\u03b1 \u03b1\u03c5\u03c4\u03cc, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf\u03bd \u03b1\u03ba\u03cc\u03bb\u03bf\u03c5\u03b8\u03bf \u03c4\u03cd\u03c0\u03bf.<\/span><\/p>\n<p style=\"text-align: center;\"><i><span style=\"font-weight: 400;\">\u03a4\u03ac\u03c3\u03b7 = \u039c\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ae \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 \u00f7 \u0391\u03c1\u03c7\u03b9\u03ba\u03cc \u03bc\u03ae\u03ba\u03bf\u03c2<\/span><\/i><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_4_Plot_the_Data_to_Create_the_Curve\"><\/span><b>\u0392\u03ae\u03bc\u03b1 4: \u0391\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-5695\" src=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2026\/06\/Plot-the-Data-to-Create-the-Curve-300x225.webp\" alt=\"\u0391\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\" width=\"499\" height=\"374\" srcset=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2026\/06\/Plot-the-Data-to-Create-the-Curve-300x225.webp 300w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2026\/06\/Plot-the-Data-to-Create-the-Curve-768x576.webp 768w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2026\/06\/Plot-the-Data-to-Create-the-Curve-16x12.webp 16w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2026\/06\/Plot-the-Data-to-Create-the-Curve.webp 1000w\" sizes=\"(max-width: 499px) 100vw, 499px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u03a4\u03ce\u03c1\u03b1 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03c4\u03b5 \u03cc\u03bb\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03bf\u03c5\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c6\u03b5\u03bb\u03ba\u03c5\u03c3\u03c4\u03b9\u03ba\u03ae \u03c4\u03ac\u03c3\u03b7. \u03a4\u03bf \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03bf \u03b2\u03ae\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03cc\u03bb\u03b5\u03c2 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b3\u03c1\u03ac\u03c6\u03b7\u03bc\u03b1. \u0388\u03c4\u03c3\u03b9 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2. \u03a3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03c3\u03c4\u03bf\u03bd \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03ac\u03be\u03bf\u03bd\u03b1 (x) \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03c3\u03c4\u03bf\u03bd \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03ac\u03be\u03bf\u03bd\u03b1. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03ba\u03ac\u03b8\u03b5 \u03b6\u03b5\u03cd\u03b3\u03bf\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03b5\u03ac\u03bd \u03b7 \u03c4\u03ac\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 20 MPa \u03ba\u03b1\u03b9 \u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 0,001, \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u03a4\u03bf \u03af\u03b4\u03b9\u03bf \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2. \u0391\u03c6\u03bf\u03cd \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03c3\u03b5\u03c4\u03b5 \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2, \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03bf\u03bc\u03b1\u03bb\u03ae \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae. \u0391\u03c5\u03c4\u03ae \u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2. \u0398\u03b1 \u03b4\u03b5\u03af\u03be\u03b5\u03b9 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ac \u03c0\u03bf\u03cd \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03ae\u03c4\u03b1\u03bd \u03ac\u03ba\u03b1\u03bc\u03c0\u03c4\u03bf \u03ae \u03b5\u03cd\u03ba\u03b1\u03bc\u03c0\u03c4\u03bf, \u03c0\u03cc\u03c4\u03b5 \u03be\u03b5\u03ba\u03af\u03bd\u03b7\u03c3\u03b5 \u03b7 \u03bc\u03cc\u03bd\u03b9\u03bc\u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c0\u03cc\u03c4\u03b5 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ac \u03ad\u03c3\u03c0\u03b1\u03c3\u03b5. \u039c\u03ad\u03c3\u03c9 \u03b1\u03c5\u03c4\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac\u03c2 \u03c4\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd, \u03bf\u03b9 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03af \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03c7\u03c1\u03b7\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Main_Regions_of_the_Stress-Strain_Curve\"><\/span><b>\u039a\u03cd\u03c1\u03b9\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">\u03a4\u03ce\u03c1\u03b1 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03bc\u03bc\u03ac\u03c4\u03c9\u03bd \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2. \u03a3\u03c9\u03c3\u03c4\u03ac; \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03bd\u03b1 \u03bc\u03ac\u03b8\u03b5\u03c4\u03b5 \u03c0\u03ce\u03c2 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03c4\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1. \u0393\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c3\u03ba\u03bf\u03c0\u03cc \u03b1\u03c5\u03c4\u03cc, \u03bf\u03b9 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03b8\u03b1 \u03c3\u03b1\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03bf\u03c5\u03bd \u03bd\u03b1 \u03c4\u03bf \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c3\u03c9\u03c3\u03c4\u03ac. \u0391\u03c2 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03c3\u03c4\u03ac\u03b4\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c2 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b9 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03bf\u03c5\u03bd.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-_Elastic_Region\"><\/span><b>1- \u0395\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-5693\" src=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2026\/06\/Elastic-Region-300x225.webp\" alt=\"\u0395\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae\" width=\"501\" height=\"376\" srcset=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2026\/06\/Elastic-Region-300x225.webp 300w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2026\/06\/Elastic-Region-768x576.webp 768w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2026\/06\/Elastic-Region-16x12.webp 16w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2026\/06\/Elastic-Region.webp 1000w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u03a4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf \u03ae \u03b7 \u03c0\u03c1\u03ce\u03c4\u03b7 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae. \u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03cc\u03c0\u03bf\u03c5 \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03bf\u03c1\u03c6\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9, \u03b1\u03bb\u03bb\u03ac \u03b4\u03b5\u03bd \u03c0\u03b1\u03c1\u03b1\u03bc\u03bf\u03c1\u03c6\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c0\u03bb\u03ae\u03c1\u03c9\u03c2. \u03a0\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b9, \u03cc\u03c0\u03c9\u03c2 \u03b1\u03bd\u03ad\u03c6\u03b5\u03c1\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9, \u03b1\u03c1\u03c7\u03b9\u03ba\u03ac \u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae \u03b1\u03c3\u03ba\u03b5\u03af \u03c0\u03bf\u03bb\u03cd \u03bc\u03b9\u03ba\u03c1\u03ae \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c3\u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1. \u0395\u03b4\u03ce, \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03b5\u03bd\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9, \u03b1\u03bb\u03bb\u03ac \u03b1\u03c5\u03c4\u03ae \u03b7 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03c9\u03c1\u03b9\u03bd\u03ae. \u0397 \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03b4\u03bf\u03bc\u03ae \u03c4\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03b4\u03b9\u03b1\u03c4\u03b1\u03c1\u03ac\u03c3\u03c3\u03b5\u03c4\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03b5\u03bb\u03b1\u03c6\u03c1\u03ce\u03c2. \u0395\u03ac\u03bd \u03b1\u03c6\u03b1\u03b9\u03c1\u03ad\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c3\u03b5 \u03bf\u03c0\u03bf\u03b9\u03bf\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03bd\u03c4\u03cc\u03c2 \u03b1\u03c5\u03c4\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae\u03c2, \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03b8\u03b1 \u03b5\u03c0\u03b1\u03bd\u03ad\u03bb\u03b8\u03b5\u03b9 \u03c3\u03c4\u03bf \u03b1\u03c1\u03c7\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2. \u0391\u03c5\u03c4\u03cc \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c5\u03ba\u03b1\u03bc\u03c8\u03af\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-_Yield_Point\"><\/span><b>2- \u03a3\u03b7\u03bc\u03b5\u03af\u03bf \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u039c\u03b5\u03c4\u03ac \u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae\u03c2, \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03c6\u03c4\u03ac\u03bd\u03b5\u03b9 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b4\u03b9\u03b1\u03c1\u03c1\u03bf\u03ae\u03c2. \u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf \u03c3\u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03bf\u03c1\u03c6\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03cc\u03bd\u03b9\u03bc\u03b1. \u039c\u03ad\u03c7\u03c1\u03b9 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf, \u03b1\u03bd \u03b1\u03c6\u03b1\u03b9\u03c1\u03ad\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7, \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03b8\u03b1 \u03b5\u03c0\u03b1\u03bd\u03b1\u03ba\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf \u03b1\u03c1\u03c7\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03bc\u03cc\u03bb\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c4\u03b5\u03c5\u03c7\u03b8\u03b5\u03af \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b4\u03b9\u03b1\u03c1\u03c1\u03bf\u03ae\u03c2, \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03b6\u03b5\u03b9 \u03bc\u03cc\u03bd\u03b9\u03bc\u03b1 \u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 \u03c4\u03bf\u03c5. \u03a4\u03ce\u03c1\u03b1, \u03b1\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03bd \u03b1\u03c6\u03b1\u03b9\u03c1\u03ad\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7, \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03b4\u03b5\u03bd \u03b8\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf \u03b1\u03c1\u03c7\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1 \u03ae \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-_Plastic_Region\"><\/span><b>3- \u03a0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u0397 \u03c4\u03c1\u03af\u03c4\u03b7 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf \u03c0\u03bf\u03c5 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03b1\u03bc\u03ad\u03c3\u03c9\u03c2 \u03bc\u03b5\u03c4\u03ac \u03c4\u03bf \u03cc\u03c1\u03b9\u03bf \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2. \u03a3\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae, \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03c3\u03c5\u03bd\u03b5\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03b5\u03bd\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03bf\u03c1\u03c6\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b1\u03c5\u03c4\u03ae \u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bb\u03ad\u03bf\u03bd \u03bc\u03cc\u03bd\u03b9\u03bc\u03b7. \u0391\u03c5\u03c4\u03cc \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03c0\u03bf\u03c4\u03ad \u03bd\u03b1 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c8\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b8\u03ad\u03c3\u03b7. \u039f\u03c0\u03bf\u03b9\u03b1\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03c3\u03c4\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2, \u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 \u03ae \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03cc\u03bd\u03b9\u03bc\u03b7. \u0397 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03c5\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03b9 \u03c4\u03bf \u03b1\u03bd\u03ce\u03c4\u03b1\u03c4\u03bf \u03cc\u03c1\u03b9\u03bf \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03c0\u03c1\u03b9\u03bd \u03c3\u03c0\u03ac\u03c3\u03b5\u03b9.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-_Ultimate_Tensile_Strength_UTS\"><\/span><b>4- \u039c\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03b5\u03c6\u03b5\u03bb\u03ba\u03c5\u03c3\u03bc\u03cc (UTS)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u0397 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03b5\u03c6\u03b5\u03bb\u03ba\u03c5\u03c3\u03bc\u03cc (UTS) \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2. \u0391\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03cd\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03c4\u03ac\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bd\u03c4\u03ad\u03be\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03c5\u03bb\u03b9\u03ba\u03cc \u03c0\u03c1\u03bf\u03c4\u03bf\u03cd \u03b1\u03c1\u03c7\u03af\u03c3\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b1\u03c3\u03b8\u03b5\u03bd\u03b5\u03af. \u03a3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf, \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03ad\u03c7\u03b5\u03b9 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03c6\u03b5\u03bb\u03ba\u03c5\u03c3\u03bc\u03bf\u03cd \u03c4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03c4\u03bf \u03c3\u03c0\u03ac\u03c3\u03b9\u03bc\u03bf. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b4\u03b5\u03bd \u03c3\u03c0\u03ac\u03b5\u03b9. \u0388\u03c4\u03c3\u03b9, \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c4\u03bf \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bd\u03c4\u03ad\u03be\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03c5\u03bb\u03b9\u03ba\u03cc \u03c0\u03c1\u03b9\u03bd \u03b1\u03c1\u03c7\u03af\u03c3\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03b5\u03b9 \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b5\u03c2. \u0393\u03b9' \u03b1\u03c5\u03c4\u03cc \u03c6\u03c1\u03bf\u03bd\u03c4\u03af\u03b6\u03bf\u03c5\u03bd \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03bd\u03b1 \u03bc\u03b7\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03c4\u03bf \u03cc\u03c1\u03b9\u03bf UTS.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5-_Fracture_Point\"><\/span><b>5- \u03a3\u03b7\u03bc\u03b5\u03af\u03bf \u03b8\u03c1\u03b1\u03cd\u03c3\u03b7\u03c2<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u03a4\u03ad\u03bb\u03bf\u03c2, \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b8\u03c1\u03b1\u03cd\u03c3\u03b7\u03c2 \u03cc\u03c0\u03bf\u03c5 \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03c3\u03c0\u03ac\u03b5\u03b9. \u03a3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf, \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03ad\u03c7\u03b5\u03b9 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03bf \u03cc\u03c1\u03b9\u03bf \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03ac\u03c2 \u03c4\u03bf\u03c5. \u0394\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03c0\u03bb\u03ad\u03bf\u03bd \u03bd\u03b1 \u03b1\u03bd\u03c4\u03ad\u03be\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03bb\u03b5\u03c0\u03c4\u03b1\u03af\u03bd\u03b5\u03b9. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03c4\u03b5\u03bb\u03b9\u03ba\u03ac \u03b8\u03c1\u03b1\u03cd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03c0\u03bb\u03ad\u03bf\u03bd \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03b1\u03b8\u03b5\u03af \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b1\u03b9\u03c4\u03ad\u03c1\u03c9 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7. \u0391\u03c5\u03c4\u03cc \u03c4\u03bf \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf \u03b1\u03c6\u03bf\u03c1\u03ac \u03ba\u03c5\u03c1\u03af\u03c9\u03c2 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c4\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd. \u039f\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03b5\u03bd\u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c3\u03c0\u03ac\u03c3\u03bf\u03c5\u03bd \u03c7\u03c9\u03c1\u03af\u03c2 \u03c0\u03c1\u03bf\u03b5\u03b9\u03b4\u03bf\u03c0\u03bf\u03b9\u03b7\u03c4\u03b9\u03ba\u03ac \u03c3\u03b7\u03bc\u03ac\u03b4\u03b9\u03b1, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03bb\u03ad\u03c0\u03c4\u03c5\u03bd\u03c3\u03b7. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03c0\u03c1\u03ce\u03c4\u03b1 \u03bd\u03b1 \u03c4\u03b5\u03bd\u03c4\u03c9\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03bf \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03bf \u03cc\u03c1\u03b9\u03cc \u03c4\u03bf\u03c5\u03c2, \u03bd\u03b1 \u03bb\u03b5\u03c0\u03c4\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03bd\u03b1 \u03c3\u03c0\u03ac\u03c3\u03bf\u03c5\u03bd.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Factors_That_Affect_the_Stress-Strain_Curve\"><\/span><b>\u03a0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">\u039d\u03b1 \u03b8\u03c5\u03bc\u03ac\u03c3\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc \u03bf\u03b9 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b5\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03af\u03b4\u03b9\u03b5\u03c2 \u03c5\u03c0\u03cc \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac. \u03a4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03c4\u03bf\u03c5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2. \u03a0\u03c1\u03b9\u03bd \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd \u03b1\u03c3\u03c7\u03bf\u03bb\u03b7\u03b8\u03bf\u03cd\u03bc\u03b5 \u03bc\u03b5 \u03c4\u03bf \u03b8\u03ad\u03bc\u03b1, \u03b1\u03c2 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2.\u00a0\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\n<h3><span class=\"ez-toc-section\" id=\"Material_Type\"><\/span><b>\u03a4\u03cd\u03c0\u03bf\u03c2 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd:\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u038c\u03c0\u03c9\u03c2 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03c4\u03b5, \u03ba\u03ac\u03b8\u03b5 \u03c5\u03bb\u03b9\u03ba\u03cc \u03ad\u03c7\u03b5\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae<\/span> <a href=\"https:\/\/ots-testequipment.net\/el\/blog\/%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%ce%b7-%ce%b1%ce%bd%cf%84%ce%bf%cf%87%ce%ae-%cf%83%ce%b5-%ce%b5%cf%86%ce%b5%ce%bb%ce%ba%cf%85%cf%83%ce%bc%cf%8c-%ce%ba%ce%b1%ce%b9-%cf%80%cf%8e%cf%82-%ce%bc\/\"><b>\u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03b5\u03c6\u03b5\u03bb\u03ba\u03c5\u03c3\u03bc\u03cc<\/b><\/a><span style=\"font-weight: 400;\">. \u0391\u03c5\u03c4\u03cc \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03ba\u03b1\u03b8\u03ad\u03bd\u03b1 \u03b8\u03b1 \u03b1\u03bd\u03c4\u03b9\u03b4\u03c1\u03ac\u03c3\u03b5\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c3\u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9. \u0393\u03b9\u2019 \u03b1\u03c5\u03c4\u03cc \u03ba\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03ac\u03bb\u03bb\u03b5\u03c4\u03b1\u03b9 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1.  \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03c4\u03bf \u03ba\u03b1\u03bf\u03c5\u03c4\u03c3\u03bf\u03cd\u03ba \u03c4\u03b5\u03bd\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03bc\u03b1\u03ba\u03c1\u03ac \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c0\u03c1\u03b9\u03bd \u03c3\u03c0\u03ac\u03c3\u03b5\u03b9. \u039f \u03c7\u03ac\u03bb\u03c5\u03b2\u03b1\u03c2, \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ac\u03bb\u03bb\u03b7 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac, \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ad\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c3\u03c4\u03b7\u03bd \u03c4\u03ac\u03bd\u03c5\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c0\u03b9\u03bf \u03b1\u03c0\u03cc\u03c4\u03bf\u03bc\u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7. \u039f\u03bc\u03bf\u03af\u03c9\u03c2, \u03c4\u03b1 \u03b5\u03cd\u03b8\u03c1\u03b1\u03c5\u03c3\u03c4\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03b4\u03b5\u03bd \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03ba\u03b1\u03b8\u03cc\u03bb\u03bf\u03c5 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03ba\u03b1\u03b9 \u03c3\u03c0\u03ac\u03bd\u03b5 \u03be\u03b1\u03c6\u03bd\u03b9\u03ba\u03ac.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\n<h3><span class=\"ez-toc-section\" id=\"Temperature\"><\/span><b>\u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1:\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u0397 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03b5\u03bd\u03cc\u03c2 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd. \u03a0\u03ce\u03c2; \u03a3\u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9, \u03c4\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03b3\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03b9\u03bf \u03bc\u03b1\u03bb\u03b1\u03ba\u03ac. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03c0\u03b1\u03c1\u03b1\u03bc\u03bf\u03c1\u03c6\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1. \u03a3\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7, \u03b8\u03b1 \u03c4\u03b5\u03bd\u03c4\u03c9\u03b8\u03bf\u03cd\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c5\u03c0\u03cc \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf, \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bb\u03bb\u03ac\u03b6\u03b5\u03b9 \u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03cc\u03c4\u03b1\u03bd \u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9, \u03c4\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03c3\u03c5\u03c7\u03bd\u03ac \u03b3\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03b9\u03bf \u03c3\u03ba\u03bb\u03b7\u03c1\u03ac. \u0391\u03c5\u03c4\u03cc \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b8\u03b1 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03b1\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7, \u03b1\u03bb\u03bb\u03ac \u03b8\u03b1 \u03c3\u03c0\u03ac\u03c3\u03bf\u03c5\u03bd \u03be\u03b1\u03c6\u03bd\u03b9\u03ba\u03ac \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03c4\u03b5\u03bd\u03c4\u03c9\u03b8\u03bf\u03cd\u03bd. \u038c\u03bb\u03b1 \u03b1\u03c5\u03c4\u03ac \u03b1\u03bb\u03bb\u03ac\u03b6\u03bf\u03c5\u03bd \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2.\u00a0\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\n<h3><span class=\"ez-toc-section\" id=\"Strain_Rate\"><\/span><b>\u03a1\u03c5\u03b8\u03bc\u03cc\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2:\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u039f \u03c1\u03c5\u03b8\u03bc\u03cc\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c0\u03cc\u03c3\u03bf \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03ad\u03bd\u03b1 \u03c5\u03bb\u03b9\u03ba\u03cc \u03c4\u03b5\u03bd\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ae \u03c6\u03bf\u03c1\u03c4\u03af\u03b6\u03b5\u03c4\u03b1\u03b9. \u0395\u03ac\u03bd \u03c4\u03bf <\/span><b>\u03bc\u03b7\u03c7\u03ac\u03bd\u03b7\u03bc\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/b><span style=\"font-weight: 400;\"> \u0391\u03bd \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03c4\u03c1\u03b1\u03b2\u03b7\u03c7\u03c4\u03b5\u03af \u03b1\u03c1\u03b3\u03ac, \u03b8\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03b5\u03af \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03bf\u03c1\u03c6\u03c9\u03b8\u03b5\u03af. \u03a9\u03c2 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1, \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b1\u03c0\u03cc\u03c4\u03bf\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7. \u0391\u03bd \u03cc\u03bc\u03c9\u03c2 \u03bf \u03c1\u03c5\u03b8\u03bc\u03cc\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c5\u03c8\u03b7\u03bb\u03cc\u03c2, \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03b5\u03bd\u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b3\u03af\u03bd\u03b5\u03b9 \u03b5\u03cd\u03b8\u03c1\u03b1\u03c5\u03c3\u03c4\u03bf \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03c3\u03b5\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03cc \u03b5\u03af\u03b4\u03bf\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2.<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\n<h3><span class=\"ez-toc-section\" id=\"Heat_Treatment\"><\/span><b>\u0398\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1:\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u038a\u03c3\u03c9\u03c2 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03b1\u03ba\u03bf\u03cd\u03c3\u03b5\u03b9 \u03cc\u03c4\u03b9, \u03c3\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2, \u03c4\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03c5\u03c0\u03bf\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1. \u03a0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03c4\u03bf \u03c4\u03b5\u03bc\u03ac\u03c7\u03b9\u03bf \u03b8\u03b5\u03c1\u03bc\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c8\u03cd\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03b8\u03b5\u03af \u03b7 \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b4\u03bf\u03bc\u03ae. \u039f \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2. \u03a0\u03ce\u03c2; \u0391\u03c2 \u03c5\u03c0\u03bf\u03b8\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03bf \u03c7\u03ac\u03bb\u03c5\u03b2\u03b1\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03bb\u03bb\u03ac \u03c8\u03cd\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c1\u03b3\u03ac (\u03b1\u03bd\u03cc\u03c0\u03c4\u03b7\u03c3\u03b7): \u03b8\u03b1 \u03b3\u03af\u03bd\u03b5\u03b9 \u03c0\u03b9\u03bf \u03bc\u03b1\u03bb\u03b1\u03ba\u03cc\u03c2. \u0388\u03c4\u03c3\u03b9, \u03c4\u03ce\u03c1\u03b1 \u03b4\u03b5\u03bd \u03b8\u03b1 \u03c3\u03c0\u03ac\u03c3\u03b5\u03b9 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03c5\u03c0\u03cc \u03c0\u03af\u03b5\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03c3\u03b5\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b5\u03c2. \u0391\u03c0\u03cc \u03c4\u03b7\u03bd \u03ac\u03bb\u03bb\u03b7 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac, \u03b7 \u03c4\u03b1\u03c7\u03b5\u03af\u03b1 \u03c8\u03cd\u03be\u03b7 (\u03c3\u03ba\u03bb\u03ae\u03c1\u03c5\u03bd\u03c3\u03b7) \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c4\u03bf\u03bd \u03ba\u03ac\u03bd\u03b5\u03b9 \u03c0\u03b9\u03bf \u03c3\u03ba\u03bb\u03b7\u03c1\u03cc \u03b1\u03bb\u03bb\u03ac \u03ba\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b5\u03cd\u03b8\u03c1\u03b1\u03c5\u03c3\u03c4\u03bf. \u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03ac\u03bb\u03bb\u03bf\u03c5\u03bd \u03ac\u03bc\u03b5\u03c3\u03b1 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03bc\u03b5\u03c4\u03b1\u03c4\u03bf\u03c0\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03cc\u03c1\u03b9\u03bf \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2, \u03c4\u03bf \u03cc\u03c1\u03b9\u03bf \u03b8\u03c1\u03b1\u03cd\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Some_Common_Application_Cases_of_Stress-Strain_Curve\"><\/span><b>\u039c\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03ae\u03b8\u03b5\u03b9\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">\u0397 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ce\u03c2 \u03bc\u03b9\u03b1 \u03b8\u03b5\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03ae \u03ad\u03bd\u03bd\u03bf\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b1\u03bd\u03c4\u03ac\u03bc\u03b5 \u03c3\u03c4\u03b1 \u03b2\u03b9\u03b2\u03bb\u03af\u03b1. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03ad\u03c7\u03b5\u03b9 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2. \u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf \u03c4\u03b7\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03af\u03b1\u03c2. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03c4\u03bf \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1, \u03b1\u03c2 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03c0\u03bf\u03cd \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03c4\u03b1\u03b9 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>\u03a0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2<\/b><\/td>\n<td><b>\u03a7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u039a\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 (\u039a\u03c4\u03af\u03c1\u03b9\u03b1 &amp; \u0393\u03ad\u03c6\u03c5\u03c1\u03b5\u03c2)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0395\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0392\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03af\u03b1 \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03ae\u03c4\u03c9\u03bd<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0391\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03c3\u03cd\u03b3\u03ba\u03c1\u03bf\u03c5\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03b1\u03bc\u03b1\u03be\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0391\u03b5\u03c1\u03bf\u03b4\u03b9\u03b1\u03c3\u03c4\u03b7\u03bc\u03b9\u03ba\u03ae \u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0392\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae\u03c2 \u03b5\u03bb\u03b1\u03c6\u03c1\u03ce\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u03a3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ce\u03bd<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0391\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b5\u03be\u03b1\u03c1\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03c6\u03bf\u03c1\u03c4\u03af\u03b1<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0388\u03c1\u03b3\u03b1 \u03a0\u03bf\u03bb\u03b9\u03c4\u03b9\u03ba\u03bf\u03cd \u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03cd<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0394\u03bf\u03bc\u03b9\u03ba\u03ae \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03c5\u03c0\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0395\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u03a3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b9\u03b4\u03b9\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03c4\u03c9\u03bd \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0399\u03b1\u03c4\u03c1\u03b9\u03ba\u03cc\u03c2 \u03c4\u03bf\u03bc\u03ad\u03b1\u03c2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u03a3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03b1\u03c3\u03c6\u03b1\u03bb\u03ce\u03bd \u03b5\u03bc\u03c6\u03c5\u03c4\u03b5\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><b>\u03a3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">\u0397 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03ba\u03ac\u03b8\u03b5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03c3\u03c4\u03bf\u03bd \u03ba\u03cc\u03c3\u03bc\u03bf \u03b1\u03c5\u03c4\u03cc \u03bc\u03b5\u03c4\u03b1\u03b2\u03ac\u03bb\u03bb\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9. \u039a\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03b1\u03bd\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1 \u03c3\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2, \u03b5\u03bd\u03ce \u03ac\u03bb\u03bb\u03b1 \u03c3\u03c0\u03ac\u03bd\u03b5 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b5\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2-\u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2. \u03a0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03b1\u03c0\u03bb\u03ae \u03b1\u03c0\u03b5\u03b9\u03ba\u03cc\u03bd\u03b9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03cc\u03c0\u03bf\u03c5 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c5\u03bb\u03b9\u03ba\u03cc \u03c5\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7 \u03bc\u03b9\u03b1\u03c2 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2. \u039c\u03b5 \u03b1\u03c0\u03bb\u03ac \u03bb\u03cc\u03b3\u03b9\u03b1, \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c4\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd, \u03c4\u03bf \u03cc\u03c1\u03b9\u03bf \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b9\u03ba\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03ac\u03bd\u03c5\u03c3\u03b7\u03c2. \u038c\u03c4\u03b1\u03bd \u03bf\u03b9 \u03b1\u03c1\u03c7\u03ac\u03c1\u03b9\u03bf\u03b9 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03bb\u03b1 \u03b1\u03c5\u03c4\u03ac, \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03bb\u03ac\u03b2\u03bf\u03c5\u03bd \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03b9\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd. \u0391\u03c5\u03c4\u03cc\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03bb\u03cc\u03b3\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03c5\u03c4\u03ae \u03b7 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03ad\u03c7\u03b5\u03b9 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03b5\u03af \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc \u03b1\u03c3\u03c6\u03b1\u03bb\u03ce\u03bd \u03ba\u03c4\u03b9\u03c1\u03af\u03c9\u03bd, \u03b9\u03c3\u03c7\u03c5\u03c1\u03ce\u03bd \u03bc\u03b7\u03c7\u03b1\u03bd\u03ce\u03bd, \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03c9\u03bd \u03bf\u03c7\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03ba.\u03bb\u03c0.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>\u038c\u03c0\u03c9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5, \u03c4\u03b1 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03b1\u03bd\u03c4\u03b9\u03b4\u03c1\u03bf\u03cd\u03bd \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c3\u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c4\u03bf\u03c5\u03c2. \u039a\u03ac\u03c0\u03bf\u03b9\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c4\u03b5\u03bd\u03c4\u03c9\u03b8\u03bf\u03cd\u03bd \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c8\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5\u03c2 \u03b8\u03ad\u03c3\u03b7, \u03b5\u03bd\u03ce \u03ac\u03bb\u03bb\u03b1 \u03c3\u03c0\u03ac\u03bd\u03b5 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1. \u03a3\u03c9\u03c3\u03c4\u03ac; \u0391\u03c5\u03c4\u03ae \u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03bf\u03c5\u03bd \u03c4\u03bf \u03c3\u03c9\u03c3\u03c4\u03cc \u03c5\u03bb\u03b9\u03ba\u03cc. \u0388\u03c7\u03b5\u03c4\u03b5 \u03cc\u03bc\u03c9\u03c2 \u03b1\u03bd\u03b1\u03c1\u03c9\u03c4\u03b7\u03b8\u03b5\u03af \u03c0\u03ce\u03c2 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd; \u0395\u03b4\u03ce \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03bf \u03bf\u03b4\u03b7\u03b3\u03cc\u03c2 \u03b3\u03b9\u03b1\u2026<\/p>","protected":false},"author":13,"featured_media":5694,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5690","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Guide on Stress-Strain Curve: Everything You Need to Know<\/title>\n<meta name=\"description\" content=\"This is a guide on stress-strain curves. 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