{"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":"test-dimpact-izod-vs-charpy","status":"publish","type":"post","link":"https:\/\/ots-testequipment.net\/fr\/blog\/izod-vs-charpy-impact-test\/","title":{"rendered":"Izod contre. Essai de choc 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\">Table des mati\u00e8res<\/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=\"Toggle Table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Basculer<\/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\/fr\/blog\/izod-vs-charpy-impact-test\/#Introduction\" >Introduction<\/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\/fr\/blog\/izod-vs-charpy-impact-test\/#What_is_the_Izod_Impact_Test\" >Qu\u2019est-ce que le test d\u2019impact 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\/fr\/blog\/izod-vs-charpy-impact-test\/#What_is_the_Charpy_Impact_Test\" >Qu&#039;est-ce que le test de choc 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\/fr\/blog\/izod-vs-charpy-impact-test\/#Izod_Vs_Charpy_Differences_you_should_know\" >Izod contre. Charpy : Des diff\u00e9rences \u00e0 conna\u00eetre !\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\/fr\/blog\/izod-vs-charpy-impact-test\/#Material_Tested\" >Mat\u00e9riel test\u00e9<\/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\/fr\/blog\/izod-vs-charpy-impact-test\/#Notch_Types\" >Types d&#039;encoches<\/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\/fr\/blog\/izod-vs-charpy-impact-test\/#Specimen_Position\" >Position du sp\u00e9cimen<\/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\/fr\/blog\/izod-vs-charpy-impact-test\/#Striking_Point\" >Point marquant<\/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\/fr\/blog\/izod-vs-charpy-impact-test\/#Specimen_Dimensions\" >Dimensions des sp\u00e9cimens<\/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\/fr\/blog\/izod-vs-charpy-impact-test\/#Common_Specs\" >Sp\u00e9cifications communes<\/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\/fr\/blog\/izod-vs-charpy-impact-test\/#Hammer_Type\" >Type de marteau<\/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\/fr\/blog\/izod-vs-charpy-impact-test\/#Which_impact_tester_should_you_use\" >Quel testeur d&#039;impact devriez-vous utiliser ?\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\/fr\/blog\/izod-vs-charpy-impact-test\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span><span style=\"font-weight: 400;\">Introduction<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Vous \u00eates-vous d\u00e9j\u00e0 interrog\u00e9 sur la r\u00e9sistance du m\u00e9tal ou du plastique ? Un mat\u00e9riau dur a plus de puissance pour supporter un coup violent. C&#039;est un autre nom pour la r\u00e9sistance aux chocs. Cela signifie que la capacit\u00e9 du mat\u00e9riau \u00e0 conserver sa forme malgr\u00e9 le choc violent est la r\u00e9sistance aux chocs.\u00a0<\/span><span style=\"font-weight: 400;\">Diverses m\u00e9thodes \u00e9valuent la r\u00e9sistance de n\u2019importe quel mat\u00e9riau. Mais nous discuterons ici des deux premiers...<\/span><b>Izod et Charpy.<\/b><span style=\"font-weight: 400;\"> Lequel devriez-vous utiliser ? Ne t&#039;inqui\u00e8te pas; nous discuterons des deux et \u00e9tablirons une comparaison directe entre le test d&#039;impact Izod et 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;\">Qu\u2019est-ce que le test d\u2019impact 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=\"Qu&#039;est-ce que le test d&#039;impact 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;\">Au d\u00e9but du XXe si\u00e8cle, Edwin Gilbert Izod a invent\u00e9 une norme de r\u00e9sistance aux chocs bas\u00e9e sur les m\u00e9canismes d&#039;application de la force. Un appareil similaire au test Charpy est fiable dans le calcul des valeurs d&#039;\u00e9nergie et de puissance pour le calcul de la r\u00e9sistance aux chocs.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">La seule diff\u00e9rence r\u00e9side dans le type de mat\u00e9riau, la position et la direction des applications de force.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Comment se d\u00e9roule ce test ?<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Placez le m\u00e9tal verticalement sur la surface. L&#039;encoche doit \u00eatre du m\u00eame c\u00f4t\u00e9 et la force doit \u00eatre sur la pointe sup\u00e9rieure du mat\u00e9riau. Un pendule lest\u00e9 est \u00e9galement un bon choix. Sinon, vous pouvez \u00e9galement d\u00e9ployer un marteau agricole.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Comment est calcul\u00e9e la r\u00e9sistance aux chocs ?<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Les mesures de force auxquelles se produit la rupture d\u00e9finissent la duret\u00e9 du m\u00e9tal. Une force plus \u00e9lev\u00e9e signifie une t\u00e9nacit\u00e9 \u00e9lev\u00e9e et 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;\">Qu&#039;est-ce que le test de choc 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=\"Qu&#039;est-ce que le test d&#039;impact 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;\">L&#039;essai d&#039;impact Charpy est un test largement connu pour sa pr\u00e9cision dans la mesure des mat\u00e9riaux m\u00e9talliques et plastiques. SB Russell et George Charpy l&#039;ont introduit au XXe si\u00e8cle pour mesurer la r\u00e9sistance du mat\u00e9riau.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Comment se d\u00e9roule ce test ?\u00a0<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Il comprend un pendule lest\u00e9 qui tombe sur le mat\u00e9riau. Une fois que le pendule tombe sur le mat\u00e9riau, il cr\u00e9e une \u00e9nergie \u00e0 fort impact, la transf\u00e9rant au mat\u00e9riau. En fonction de la r\u00e9sistance aux chocs du mat\u00e9riau, une force aussi \u00e9lev\u00e9e peut soit d\u00e9former, soit conserver le mat\u00e9riau dans sa forme originale.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Comment est calcul\u00e9e la r\u00e9sistance aux chocs ?<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Pour d\u00e9duire les valeurs \u00e9nerg\u00e9tiques exactes, vous devez mesurer la hauteur. Vous pouvez le mesurer avant et apr\u00e8s que le pendule heurte le m\u00e9tal. Cela permet de d\u00e9duire les valeurs exactes de la r\u00e9sistance aux chocs du mat\u00e9riau.\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 contre. Charpy : Des diff\u00e9rences \u00e0 conna\u00eetre !\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 contre. Charpy : les diff\u00e9rences \u00e0 conna\u00eetre\" 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 peut \u00eatre une excellente comparaison car les deux tests sont de premier ordre, pr\u00e9cis et offrent de nombreux avantages aux utilisateurs en termes de valeurs.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Vous pourriez \u00e9galement vous demander lequel choisir. Est-ce ainsi? Alors, d\u00e9couvrez les diff\u00e9rences suivantes entre les tests de choc Izod et Charpy !<\/span><\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Caract\u00e9ristiques<\/b><\/td>\n<td><b>Essai de choc Charpy<\/b><\/td>\n<td><b>Test d&#039;impact Izod<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Types de mat\u00e9riaux<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Tous les m\u00e9taux, plastiques et composites<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9taux, plastiques et composites<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Types d&#039;encoches<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Encoche en forme de U et de V<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Uniquement encoche en forme de V<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Situation mat\u00e9rielle<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Horizontal<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Verticale<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Point marquant<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Milieu du mat\u00e9riel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">La pointe sup\u00e9rieure du mat\u00e9riau<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Dimensions du mat\u00e9riau<\/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 pour le plastique<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Barre ronde 127 x 11,43 mm pour m\u00e9tal\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Caract\u00e9ristiques<\/b><\/td>\n<td><span style=\"font-weight: 400;\">1. ASTM E23, ISO148, ASTM A370 pour les m\u00e9taux<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. ASTM D6110 et ISO 179 pour les plastiques<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1. ASTM E23, BS 131 pour les m\u00e9taux<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. ASTM D256 et ISO 180 pour les plastiques<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Type de marteau<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Marteau \u00e0 bille<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Marteau agricole<\/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;\">Mat\u00e9riel test\u00e9<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Les tests d&#039;impact ne portent pas toujours sur les m\u00e9taux. Il peut s\u2019agir de n\u2019importe quel mat\u00e9riau, solide ou semi-solide. La d\u00e9duction exacte des r\u00e9sultats d\u00e9pend du type de mat\u00e9riau que vous avez test\u00e9. Par exemple, le plastique est moins r\u00e9sistant que l\u2019acier inoxydable. Donc tout d\u00e9pend du mat\u00e9riau que vous testez. Les deux tests prennent en charge divers mat\u00e9riaux.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Dans le test Izod, vous pouvez tester les m\u00e9taux de mani\u00e8re assez efficace. Les autres mat\u00e9riaux utilis\u00e9s sont les plastiques et les composites. Les r\u00e9sultats sont assez fiables pour les m\u00e9taux ou plastiques donn\u00e9s. De plus, si vous garantissez l\u2019exactitude du processus de test, vous pouvez \u00e9galement am\u00e9liorer les r\u00e9sultats.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Le test Charpy peut \u00eatre utilis\u00e9 pour tester presque tous les mat\u00e9riaux, y compris m\u00e9talliques ou plastiques. Il convient \u00e9galement aux mat\u00e9riaux composites, offrant une facilit\u00e9 ultime.<\/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;\">Types d&#039;encoches<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Chaque mat\u00e9riau doit avoir une encoche pour un transfert d&#039;\u00e9nergie cibl\u00e9 et un meilleur test de la r\u00e9sistance du m\u00e9tal. Il n\u2019est pas n\u00e9cessaire que l\u2019encoche soit en forme de V ou de U. Selon la duret\u00e9 du m\u00e9tal, il peut \u00e9galement s&#039;agir de trous de serrure.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Dans le test Izod, l&#039;encoche est uniquement en forme de V. De telles encoches sont utiles pour les mat\u00e9riaux d\u2019une t\u00e9nacit\u00e9 impressionnante.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Dans le test Charpy, on peut s&#039;attendre \u00e0 deux types d&#039;encoches. L&#039;une est l&#039;encoche en forme de U, qui convient aux mat\u00e9riaux fragiles pour conna\u00eetre leur fragilit\u00e9. D\u2019un autre c\u00f4t\u00e9, une encoche en forme de V offre la valeur d\u2019excellents mat\u00e9riaux r\u00e9sistant aux chocs.<\/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;\">Position du sp\u00e9cimen<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">La position du mat\u00e9riau a une influence significative sur la transmission de puissance et la rupture. Par exemple, si vous planifiez un mat\u00e9riau dans le sens horizontal, son \u00e9paisseur horizontale peut \u00eatre inf\u00e9rieure \u00e0 celle verticale. L\u2019inverse peut \u00e9galement se produire pour certains m\u00e9taux, en fonction de leurs aspects de fabrication.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Lors des tests Izod, le mat\u00e9riau est maintenu en position verticale. Une force est appliqu\u00e9e dans la direction horizontale pour briser le mat\u00e9riau en morceaux et mesurer la force \u00e0 laquelle le mat\u00e9riau se d\u00e9compose en morceaux.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">En revanche, le test de Charpy prend une position diff\u00e9rente. La position du mat\u00e9riau est horizontale tandis que la force est verticale, permettant une combinaison parfaite de direction et d&#039;impact. Il exerce une force importante sur le m\u00e9tal, permettant \u00e9galement des cassures rapides !<\/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;\">Point marquant<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Appliquer une force dans les coins est inutile. L&#039;utilisation d&#039;une encoche permet de concentrer l&#039;\u00e9nergie et de d\u00e9finir la force. Par cons\u00e9quent, vous devez cr\u00e9er une encoche au milieu ou \u00e0 l\u2019endroit o\u00f9 vous souhaitez appliquer votre force pr\u00e9cis\u00e9ment au point oppos\u00e9. V\u00e9rifions comment les deux tests r\u00e9agissent dans ce cas.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Le test d&#039;impact Izod cr\u00e9e une encoche en forme de V au milieu du m\u00e9tal ou un l\u00e9ger point bas au milieu. La force horizontale s&#039;applique sur la pointe sup\u00e9rieure pour briser le mat\u00e9riau et concentrer la force au point d&#039;entaille. N&#039;oubliez pas une chose ici : entailler et forcer les applications sur le m\u00eame aspect mat\u00e9riel.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Le test de choc charpy est tout \u00e0 fait diff\u00e9rent car l&#039;encoche se trouve du c\u00f4t\u00e9 oppos\u00e9. Le mat\u00e9riau est stabilis\u00e9 sur la surface avec entaille tourn\u00e9e vers le bas. Une force verticale agit sur la surface oppos\u00e9e. Il brise le mat\u00e9riau et aide \u00e0 d\u00e9terminer la duret\u00e9 du mat\u00e9riau.\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;\">Dimensions des sp\u00e9cimens<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Les dimensions du sujet sont un facteur d\u00e9cisif pour d\u00e9terminer le mat\u00e9riau et la r\u00e9sistance aux chocs. De plus, les deux tests s\u2019appliquent \u00e0 diff\u00e9rentes formes, directions et applications de force d\u2019impact. Par cons\u00e9quent, les dimensions mat\u00e9rielles peuvent vous aider \u00e0 les diff\u00e9rencier.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Le test d&#039;impact IZOD n\u00e9cessite diff\u00e9rentes dimensions en fonction du mat\u00e9riau que vous utilisez. Par exemple, vous avez besoin de 64 x 12,7 x 3,2 mm pour le plastique. En revanche, 127 x 11,43 mm est la dimension d&#039;une barre m\u00e9tallique ronde. M\u00eame si le m\u00eame mat\u00e9riau est utilis\u00e9, les dimensions restent diff\u00e9rentes. Par exemple, vous avez besoin de 75 x 10 x 10 mm pour le m\u00eame mat\u00e9riau que le test Charpy d\u00e9ploie, le 55 x 10 x 10 mm.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Le test Charpy diff\u00e8re \u00e9galement en raison de la position horizontale, des diff\u00e9rentes formes d&#039;encoches et des applications de force. Vous avez besoin d&#039;une dimension appropri\u00e9e de 55 x 10 x 10 mm pour tous vos mat\u00e9riaux. Qu&#039;elles soient en plastique ou en m\u00e9tal, les dimensions restent les m\u00eames tout au long du processus de test.\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;\">Sp\u00e9cifications communes<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Diff\u00e9rentes normes d\u00e9finissent la plage de test du mat\u00e9riau. Habituellement, les normes ISO sont mondialement reconnues pour la pr\u00e9cision de leurs tests. Cependant, dans ce processus, vous pouvez \u00e9galement utiliser les normes ASTM.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Le test IZOD d\u00e9ploie les diff\u00e9rentes normes pour le plastique et les m\u00e9taux.\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 pour les m\u00e9taux<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ASTM D256 et ISO 180 pour les plastiques<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">D\u2019un autre c\u00f4t\u00e9, attendez-vous \u00e9galement \u00e0 une gamme de normes diff\u00e9rente pour le test 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 et ASTM A370 pour les m\u00e9taux<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ASTM D6110 et ISO 179 pour les plastiques<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Sur la base de ces normes, vous pouvez diff\u00e9rencier les m\u00e9taux et les plastiques test\u00e9s par chaque m\u00e9thode.\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;\">Type de marteau<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Un marteau est le mat\u00e9riau de frappe que vous devez utiliser pour mesurer la t\u00e9nacit\u00e9. Il existe deux types de marteaux : les marteaux agricoles et les marteaux \u00e0 bille.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Un marteau agricole est le choix pr\u00e9f\u00e9r\u00e9 pour le test IZOD. En revanche, un marteau \u00e0 bille constitue une option adapt\u00e9e pour le test 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;\">Quel testeur d&#039;impact devriez-vous utiliser ?\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Cette question n\u2019est pas simple car vous devez la poser en fonction des facteurs suivants.<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Type de mat\u00e9riau et r\u00e9sistance<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">R\u00e9sistance du mat\u00e9riau\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Taille de l&#039;\u00e9chantillon<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Souhaitez-vous un test avec des informations de base ou des donn\u00e9es d\u00e9taill\u00e9es ?\u00a0<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Tous ces facteurs peuvent aider \u00e0 choisir la meilleure option parmi les deux tests. De plus, le test varie en fonction des utilisations du plastique ou du m\u00e9tal. Vous pouvez \u00e9galement tester la fragilit\u00e9 du mat\u00e9riau en appliquant une force suffisante pour briser le m\u00e9tal en diff\u00e9rents morceaux.\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><span style=\"font-weight: 400;\">Conclusion<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Que ce soit la mise en \u0153uvre du test de choc Izod ou Charpy, confirmez l&#039;exactitude de vos mesures. \u00c9liminez toutes les failles de votre syst\u00e8me, qu\u2019il s\u2019agisse d\u2019erreurs humaines ou instrumentales. Nous avons du haut <\/span><a href=\"https:\/\/ots-testequipment.net\/fr\/impact-testing-machine\/\"><b>machines \u00e0 percussion<\/b><\/a><span style=\"font-weight: 400;\"> pour vous permettre de b\u00e9n\u00e9ficier de r\u00e9sultats pr\u00e9cis pour les tests d&#039;impact.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">OTS Technik est l&#039;un des principaux fournisseurs de tous types d&#039;\u00e9quipements de test. Des ann\u00e9es d&#039;exp\u00e9rience, de popularit\u00e9 et d&#039;adh\u00e9sion aux normes ISO en font le num\u00e9ro un de la ville. Que vous ayez besoin d&#039;un <\/span><a href=\"https:\/\/ots-testequipment.net\/fr\/produit\/machine-dessai-dimpact-charpy\/\"><b>Machine d&#039;essais de choc Charpy<\/b><\/a><span style=\"font-weight: 400;\"> ou <\/span><a href=\"https:\/\/ots-testequipment.net\/fr\/produit\/testeur-dimpact-izod\/\"><b>Izod<\/b><\/a><span style=\"font-weight: 400;\">, r\u00e9cup\u00e9rez-les tous maintenant. V\u00e9rifiez les meilleures machines tout de suite\u00a0!\u00a0<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction Vous \u00eates-vous d\u00e9j\u00e0 interrog\u00e9 sur la r\u00e9sistance du m\u00e9tal ou du plastique ? Un mat\u00e9riau dur a plus de puissance pour supporter un coup violent. C&#039;est un autre nom pour la r\u00e9sistance aux chocs. Cela signifie que la capacit\u00e9 du mat\u00e9riau \u00e0 conserver sa forme malgr\u00e9 le choc violent est la r\u00e9sistance aux chocs. Diverses m\u00e9thodes \u00e9valuent le\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. Charpy Impact Test: How to Perform and Differences<\/title>\n<meta name=\"description\" content=\"Izod Vs Charpy has set up a competition\u2014 all credit to the accuracy of the results during the testing. 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