{"id":4733,"date":"2024-04-07T17:04:52","date_gmt":"2024-04-07T09:04:52","guid":{"rendered":"https:\/\/ots-testequipment.net\/?p=4733"},"modified":"2024-04-17T11:04:28","modified_gmt":"2024-04-17T03:04:28","slug":"teste-de-impacto-izod-vs-charpy","status":"publish","type":"post","link":"https:\/\/ots-testequipment.net\/pt\/blog\/izod-vs-charpy-impact-test\/","title":{"rendered":"Izod vs. Teste de Impacto Charpy"},"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\">\u00cdndice<\/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=\"Alternar o \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/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\/pt\/blog\/izod-vs-charpy-impact-test\/#Introduction\" >Introdu\u00e7\u00e3o<\/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\/pt\/blog\/izod-vs-charpy-impact-test\/#What_is_the_Izod_Impact_Test\" >O que \u00e9 o teste de impacto Izod?\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ots-testequipment.net\/pt\/blog\/izod-vs-charpy-impact-test\/#What_is_the_Charpy_Impact_Test\" >O que \u00e9 o teste de impacto Charpy?\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ots-testequipment.net\/pt\/blog\/izod-vs-charpy-impact-test\/#Izod_Vs_Charpy_Differences_you_should_know\" >Izod vs. Charpy: Diferen\u00e7as que voc\u00ea deve conhecer!\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ots-testequipment.net\/pt\/blog\/izod-vs-charpy-impact-test\/#Material_Tested\" >Material testado<\/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\/pt\/blog\/izod-vs-charpy-impact-test\/#Notch_Types\" >Tipos de entalhe<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ots-testequipment.net\/pt\/blog\/izod-vs-charpy-impact-test\/#Specimen_Position\" >Posi\u00e7\u00e3o da amostra<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ots-testequipment.net\/pt\/blog\/izod-vs-charpy-impact-test\/#Striking_Point\" >Ponto de impacto<\/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\/pt\/blog\/izod-vs-charpy-impact-test\/#Specimen_Dimensions\" >Dimens\u00f5es da amostra<\/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\/pt\/blog\/izod-vs-charpy-impact-test\/#Common_Specs\" >Especifica\u00e7\u00f5es comuns<\/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\/pt\/blog\/izod-vs-charpy-impact-test\/#Hammer_Type\" >Tipo de martelo<\/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\/pt\/blog\/izod-vs-charpy-impact-test\/#Which_impact_tester_should_you_use\" >Qual testador de impacto voc\u00ea deve usar?\u00a0<\/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\/pt\/blog\/izod-vs-charpy-impact-test\/#Conclusion\" >Conclus\u00e3o<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span><span style=\"font-weight: 400;\">Introdu\u00e7\u00e3o<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Voc\u00ea j\u00e1 se perguntou sobre a resist\u00eancia do metal ou do pl\u00e1stico? Um material duro tem mais poder para sustentar um golpe forte. \u00c9 outro nome para resist\u00eancia ao impacto. Isso significa que o poder do material para manter sua forma apesar do forte golpe \u00e9 a resist\u00eancia ao impacto.\u00a0<\/span><span style=\"font-weight: 400;\">V\u00e1rios m\u00e9todos avaliam a resist\u00eancia de qualquer material. Mas discutiremos aqui os dois principais\u2014<\/span><b>Izod e Charpy.<\/b><span style=\"font-weight: 400;\"> Qual voc\u00ea deve usar? N\u00e3o se preocupe; discutiremos ambos e faremos uma compara\u00e7\u00e3o direta do teste de impacto Izod vs. Charpy.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_the_Izod_Impact_Test\"><\/span><span style=\"font-weight: 400;\">O que \u00e9 o teste de impacto Izod?\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-4754\" src=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/What-Is-The-Izod-Impact-Test-300x225.webp\" alt=\"O que \u00e9 o teste de impacto Izod\" width=\"500\" height=\"375\" srcset=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/What-Is-The-Izod-Impact-Test-300x225.webp 300w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/What-Is-The-Izod-Impact-Test-768x576.webp 768w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/What-Is-The-Izod-Impact-Test-16x12.webp 16w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/What-Is-The-Izod-Impact-Test.webp 1000w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">No in\u00edcio do s\u00e9culo 20, Edwin Gilbert Izod inventou um padr\u00e3o para resist\u00eancia ao impacto baseado nos mecanismos de aplica\u00e7\u00e3o de for\u00e7a. Um aparelho semelhante ao teste Charpy \u00e9 confi\u00e1vel na deriva\u00e7\u00e3o de valores de energia e pot\u00eancia para c\u00e1lculo de resist\u00eancia ao impacto.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">A \u00fanica diferen\u00e7a \u00e9 o tipo de material, posi\u00e7\u00e3o e dire\u00e7\u00e3o das aplica\u00e7\u00f5es de for\u00e7a.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Como esse teste \u00e9 realizado?<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Coloque o metal verticalmente na superf\u00edcie. O entalhe deve ficar do mesmo lado e a for\u00e7a deve estar na ponta superior do material. Um p\u00eandulo ponderado tamb\u00e9m \u00e9 uma boa escolha. Caso contr\u00e1rio, voc\u00ea tamb\u00e9m pode usar um martelo agr\u00edcola.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Como \u00e9 calculada a resist\u00eancia ao impacto?<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">As medi\u00e7\u00f5es de for\u00e7a nas quais ocorre a fratura definem a dureza do metal. Maior for\u00e7a significa alta tenacidade e vice-versa.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_the_Charpy_Impact_Test\"><\/span><span style=\"font-weight: 400;\">O que \u00e9 o teste de impacto Charpy?\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-4753\" src=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/What-Is-The-Charpy-Impact-Test-300x225.webp\" alt=\"O que \u00e9 o teste de impacto Charpy\" width=\"500\" height=\"375\" srcset=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/What-Is-The-Charpy-Impact-Test-300x225.webp 300w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/What-Is-The-Charpy-Impact-Test-768x576.webp 768w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/What-Is-The-Charpy-Impact-Test-16x12.webp 16w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/What-Is-The-Charpy-Impact-Test.webp 1000w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">O teste de impacto Charpy \u00e9 um teste amplamente conhecido e famoso por sua precis\u00e3o na medi\u00e7\u00e3o de materiais met\u00e1licos e pl\u00e1sticos. SB Russell e George Charpy introduziram isso no s\u00e9culo 20 para medir a resist\u00eancia do material.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Como esse teste \u00e9 realizado?\u00a0<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">\u00c9 composto por um p\u00eandulo pesado que cai sobre o material. Uma vez que o p\u00eandulo cai sobre o material, ele cria energia de alto impacto, transferindo-a para o material. Dependendo da resist\u00eancia ao impacto do material, uma for\u00e7a t\u00e3o elevada pode deformar ou manter o material na sua forma original.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Como \u00e9 calculada a resist\u00eancia ao impacto?<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Para inferir os valores exatos de energia, voc\u00ea precisa medir a altura. Voc\u00ea pode medi-lo antes e depois do p\u00eandulo atingir o metal. Isso ajuda a derivar os valores exatos da resist\u00eancia ao impacto do material.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Izod_Vs_Charpy_Differences_you_should_know\"><\/span><span style=\"font-weight: 400;\">Izod vs. Charpy: Diferen\u00e7as que voc\u00ea deve conhecer!\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-4752\" src=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/Izod-Vs-Charpy-Differences-You-Should-Know-300x225.webp\" alt=\"Izod vs. Charpy: Diferen\u00e7as que voc\u00ea deve conhecer\" width=\"500\" height=\"375\" srcset=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/Izod-Vs-Charpy-Differences-You-Should-Know-300x225.webp 300w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/Izod-Vs-Charpy-Differences-You-Should-Know-768x576.webp 768w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/Izod-Vs-Charpy-Differences-You-Should-Know-16x12.webp 16w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/04\/Izod-Vs-Charpy-Differences-You-Should-Know.webp 1000w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Izod vs. Charpy pode ser uma excelente compara\u00e7\u00e3o porque ambos os testes s\u00e3o de primeira linha, precisos e oferecem muitos benef\u00edcios aos usu\u00e1rios em rela\u00e7\u00e3o aos valores.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Voc\u00ea tamb\u00e9m pode estar se perguntando qual deles deve considerar. \u00c9 assim mesmo? Ent\u00e3o, confira a seguir as diferen\u00e7as entre os testes de impacto Izod e Charpy!<\/span><\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Caracter\u00edsticas<\/b><\/td>\n<td><b>Teste de Impacto Charpy<\/b><\/td>\n<td><b>Teste de Impacto Izod<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Tipos de materiais<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Todos os metais, pl\u00e1sticos e comp\u00f3sitos<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Metais, pl\u00e1sticos e comp\u00f3sitos<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Tipos de entalhe<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Entalhe em forma de U e V<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Apenas entalhe em forma de V<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Posi\u00e7\u00e3o material<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Horizontal<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Vertical<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Ponto de impacto<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Meio do material<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A ponta superior do material<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Dimens\u00f5es materiais<\/b><\/td>\n<td><span style=\"font-weight: 400;\">55x10x10mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">64 x 12,7 x 3,2 mm para pl\u00e1stico<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Barra redonda de 127 x 11,43 mm para metal\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Especifica\u00e7\u00f5es<\/b><\/td>\n<td><span style=\"font-weight: 400;\">1. ASTM E23, ISO148, ASTM A370 para metais<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. ASTM D6110 e ISO 179 para pl\u00e1sticos<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1. ASTM E23, BS 131 para Metais<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. ASTM D256 e ISO 180 para pl\u00e1sticos<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Tipo de martelo<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Martelo de pino esf\u00e9rico<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Martelo Agr\u00edcola<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\n<h3><span class=\"ez-toc-section\" id=\"Material_Tested\"><\/span><span style=\"font-weight: 400;\">Material testado<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Os testes de impacto nem sempre s\u00e3o realizados nos metais. Pode ser em qualquer material, que pode ser s\u00f3lido ou semiss\u00f3lido. A infer\u00eancia exata dos resultados depende do tipo de material testado. Por exemplo, o pl\u00e1stico tem menos resist\u00eancia em compara\u00e7\u00e3o com o a\u00e7o inoxid\u00e1vel. Ent\u00e3o, tudo depende do material que voc\u00ea est\u00e1 testando. Ambos os testes oferecem suporte para diversos materiais.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">No teste Izod, voc\u00ea pode testar os metais com bastante efici\u00eancia. Outros materiais utilizados s\u00e3o pl\u00e1sticos e comp\u00f3sitos. Os resultados s\u00e3o bastante confi\u00e1veis para determinados metais ou pl\u00e1sticos. Al\u00e9m disso, se voc\u00ea garantir a precis\u00e3o no processo de teste, tamb\u00e9m poder\u00e1 melhorar os resultados.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">O teste Charpy pode ser usado para testar quase todos os materiais, inclusive met\u00e1licos ou pl\u00e1sticos. Tamb\u00e9m \u00e9 adequado para materiais comp\u00f3sitos, oferecendo maior facilidade.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\n<h3><span class=\"ez-toc-section\" id=\"Notch_Types\"><\/span><span style=\"font-weight: 400;\">Tipos de entalhe<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Cada material deve ter um entalhe para transfer\u00eancia de energia concentrada e melhor teste de resist\u00eancia do metal. O entalhe n\u00e3o precisa ser em forma de V ou U. Dependendo da dureza do metal, tamb\u00e9m podem ser fechaduras.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">No teste Izod, o entalhe \u00e9 apenas em forma de V. Esses entalhes s\u00e3o \u00fateis para materiais com resist\u00eancia impressionante.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">No teste Charpy, voc\u00ea pode esperar dois tipos de entalhes. Um deles \u00e9 o entalhe em forma de U, adequado para materiais fr\u00e1geis conhecerem sua fragilidade. Por outro lado, um entalhe em forma de V oferece valor para materiais com excelente resist\u00eancia ao impacto.<\/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=\"Specimen_Position\"><\/span><span style=\"font-weight: 400;\">Posi\u00e7\u00e3o da amostra<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">A posi\u00e7\u00e3o do material tem uma influ\u00eancia significativa na transmiss\u00e3o de pot\u00eancia e na fratura. Por exemplo, se voc\u00ea planejar o material na dire\u00e7\u00e3o horizontal, ele poder\u00e1 ter uma espessura horizontal menor que a vertical. O oposto tamb\u00e9m pode ocorrer com alguns metais, dependendo de seus aspectos de fabrica\u00e7\u00e3o.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Nos testes Izod, o material \u00e9 mantido na posi\u00e7\u00e3o vertical. Uma for\u00e7a \u00e9 aplicada na dire\u00e7\u00e3o horizontal para quebrar o material em peda\u00e7os e medir a for\u00e7a com que o material se quebra em peda\u00e7os.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Em contrapartida, o teste Charpy tem uma posi\u00e7\u00e3o diferente. A posi\u00e7\u00e3o do material \u00e9 horizontal enquanto a for\u00e7a \u00e9 vertical, permitindo uma combina\u00e7\u00e3o perfeita de dire\u00e7\u00e3o e impacto. Exerce uma for\u00e7a significativa sobre o metal, permitindo tamb\u00e9m quebras r\u00e1pidas!<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\n<h3><span class=\"ez-toc-section\" id=\"Striking_Point\"><\/span><span style=\"font-weight: 400;\">Ponto de impacto<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Aplicar for\u00e7a nos cantos \u00e9 in\u00fatil. O uso de um entalhe ajuda a concentrar a energia e definir a for\u00e7a. Portanto, voc\u00ea deve criar um entalhe no meio ou onde quiser aplicar sua for\u00e7a justamente no ponto oposto. Vamos verificar como os dois testes reagem neste caso.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">O teste de impacto Izod cria um entalhe em forma de V no meio do metal ou um ligeiro ponto baixo no meio. A for\u00e7a horizontal aplica-se na ponta superior para quebrar o material e concentrar a for\u00e7a no ponto do entalhe. Lembre-se de uma coisa aqui: aplica\u00e7\u00f5es de entalhe e for\u00e7a no mesmo aspecto material.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">O teste de impacto charpy \u00e9 bem diferente porque o entalhe fica no lado oposto. O material \u00e9 estabilizado no entalhe da superf\u00edcie voltado para baixo. Uma for\u00e7a vertical atua na superf\u00edcie oposta. Quebra o material e ajuda a determinar a dureza do material.\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=\"Specimen_Dimensions\"><\/span><span style=\"font-weight: 400;\">Dimens\u00f5es da amostra<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">As dimens\u00f5es do objeto s\u00e3o um fator decisivo na determina\u00e7\u00e3o do material e da resist\u00eancia ao impacto. Al\u00e9m disso, ambos os testes assentam em diferentes formas, dire\u00e7\u00f5es e aplica\u00e7\u00f5es de for\u00e7a de impacto. Portanto, as dimens\u00f5es dos materiais podem ajudar voc\u00ea a diferenci\u00e1-los.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">O teste de impacto IZOD requer dimens\u00f5es diferentes com base no material utilizado. Por exemplo, voc\u00ea precisa de 64 x 12,7 x 3,2 mm para pl\u00e1stico. Por outro lado, 127 x 11,43 mm \u00e9 a dimens\u00e3o de uma barra de metal redonda. Mesmo que seja utilizado o mesmo material, as dimens\u00f5es permanecem diferentes. Por exemplo, voc\u00ea precisa de 75 x 10 x 10mm para o mesmo material que o teste Charpy implanta, 55 x 10 x 10mm.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">O teste Charpy tamb\u00e9m difere devido \u00e0 posi\u00e7\u00e3o horizontal, diferentes formatos de entalhe e aplica\u00e7\u00f5es de for\u00e7a. Voc\u00ea precisa de uma dimens\u00e3o adequada de 55 x 10 x 10 mm para todos os seus materiais. Seja pl\u00e1stico ou metal, as dimens\u00f5es permanecem as mesmas durante todo o processo de teste.\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=\"Common_Specs\"><\/span><span style=\"font-weight: 400;\">Especifica\u00e7\u00f5es comuns<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Diferentes padr\u00f5es definem a faixa de teste do material. Normalmente, os padr\u00f5es ISO s\u00e3o reconhecidos mundialmente pela precis\u00e3o dos testes. Por\u00e9m, neste processo, voc\u00ea tamb\u00e9m pode usar as normas ASTM.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">O teste IZOD implementa os diferentes padr\u00f5es para pl\u00e1sticos e metais.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ASTM E23, BS 131 para Metais<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ASTM D256 e ISO 180 para pl\u00e1sticos<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Por outro lado, espere tamb\u00e9m uma gama diferente de padr\u00f5es para o teste Charpy.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ASTM E23, ISO148 e ASTM A370 para metais<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ASTM D6110 e ISO 179 para pl\u00e1sticos<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Com base nessas normas, \u00e9 poss\u00edvel diferenciar os metais e pl\u00e1sticos testados por cada m\u00e9todo.\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=\"Hammer_Type\"><\/span><span style=\"font-weight: 400;\">Tipo de martelo<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Um martelo \u00e9 o material de impacto que voc\u00ea precisa usar para medir a resist\u00eancia. Existem dois tipos de martelos \u2013 martelos agr\u00edcolas e martelos de pino esf\u00e9rico.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Um martelo agr\u00edcola \u00e9 a escolha preferida para o teste IZOD. Por outro lado, um martelo esf\u00e9rico \u00e9 uma op\u00e7\u00e3o adequada para o teste Charpy.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Which_impact_tester_should_you_use\"><\/span><span style=\"font-weight: 400;\">Qual testador de impacto voc\u00ea deve usar?\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Esta quest\u00e3o n\u00e3o \u00e9 simples porque voc\u00ea precisa faz\u00ea-lo de acordo com os seguintes fatores.<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tipo de material e resist\u00eancia<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Resist\u00eancia do Material\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tamanho da amostra<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Quer um teste com informa\u00e7\u00f5es b\u00e1sicas ou dados detalhados?\u00a0<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Todos esses fatores podem ajudar a escolher a melhor op\u00e7\u00e3o entre os dois testes. Al\u00e9m disso, o teste varia de acordo com os usos de pl\u00e1stico ou metal. Voc\u00ea tamb\u00e9m pode testar a fragilidade do material aplicando for\u00e7a suficiente para quebrar o metal em diferentes peda\u00e7os.\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><span style=\"font-weight: 400;\">Conclus\u00e3o<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Seja implementando o teste de impacto Izod ou Charpy, confirme a precis\u00e3o de suas medi\u00e7\u00f5es. Elimine todas as falhas do seu sistema, sejam erros humanos ou instrumentais. Temos alguns top <\/span><a href=\"https:\/\/ots-testequipment.net\/pt\/impact-testing-machine\/\"><b>m\u00e1quinas de impacto<\/b><\/a><span style=\"font-weight: 400;\"> para mant\u00ea-lo tranquilo com resultados precisos para testes de impacto.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">A OTS Technik \u00e9 um dos principais fornecedores de todos os tipos de equipamentos de teste. Anos de experi\u00eancia, popularidade e ades\u00e3o aos padr\u00f5es ISO os tornam o n\u00famero um na cidade. Se voc\u00ea precisa de um <\/span><a href=\"https:\/\/ots-testequipment.net\/pt\/produtos\/maquina-de-teste-de-impacto-charpy\/\"><b>M\u00e1quina de teste de impacto Charpy<\/b><\/a><span style=\"font-weight: 400;\"> ou <\/span><a href=\"https:\/\/ots-testequipment.net\/pt\/produtos\/testador-de-impacto-izod\/\"><b>Izod<\/b><\/a><span style=\"font-weight: 400;\">, busque todos eles agora. Verifique as melhores m\u00e1quinas imediatamente!\u00a0<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Introdu\u00e7\u00e3o Voc\u00ea j\u00e1 se perguntou sobre a resist\u00eancia do metal ou do pl\u00e1stico? Um material duro tem mais poder para sustentar um golpe forte. \u00c9 outro nome para resist\u00eancia ao impacto. Isso significa que o poder do material para manter sua forma apesar do forte golpe \u00e9 a resist\u00eancia ao impacto. V\u00e1rios m\u00e9todos avaliam o\u2026<\/p>","protected":false},"author":13,"featured_media":4734,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4733","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>Izod Vs. 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