{"id":5122,"date":"2024-12-30T10:37:42","date_gmt":"2024-12-30T02:37:42","guid":{"rendered":"https:\/\/ots-testequipment.net\/?p=5122"},"modified":"2025-01-24T09:58:21","modified_gmt":"2025-01-24T01:58:21","slug":"resistance-a-la-traction-et-resistance-a-la-rupture","status":"publish","type":"post","link":"https:\/\/ots-testequipment.net\/fr\/blog\/tensile-strength-vs-breaking-strength\/","title":{"rendered":"R\u00e9sistance \u00e0 la traction et r\u00e9sistance \u00e0 la rupture"},"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\/tensile-strength-vs-breaking-strength\/#What_is_Tensile_Strength\" >Qu'est-ce que la r\u00e9sistance \u00e0 la traction ?<\/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\/tensile-strength-vs-breaking-strength\/#What_is_Breaking_Strength\" >Qu'est-ce que la r\u00e9sistance \u00e0 la rupture ?<\/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\/tensile-strength-vs-breaking-strength\/#What_is_the_Difference_Between_Tensile_Breaking_Strength\" >Quelle est la diff\u00e9rence entre la r\u00e9sistance \u00e0 la traction et la r\u00e9sistance \u00e0 la rupture ?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ots-testequipment.net\/fr\/blog\/tensile-strength-vs-breaking-strength\/#1-_Material_Behavior\" >1- Comportement des mat\u00e9riaux<\/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\/fr\/blog\/tensile-strength-vs-breaking-strength\/#2-_Stage_of_Failure\" >2- Le stade de l'\u00e9chec<\/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\/tensile-strength-vs-breaking-strength\/#3-_Flexibility_Range\" >3- Flexibilit\u00e9 et amplitude<\/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\/tensile-strength-vs-breaking-strength\/#4-_Applications\" >4- Applications\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ots-testequipment.net\/fr\/blog\/tensile-strength-vs-breaking-strength\/#Is_Fracture_Strength_the_Same_as_Tensile_Strength\" >La r\u00e9sistance \u00e0 la rupture est-elle la m\u00eame que la r\u00e9sistance \u00e0 la traction ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ots-testequipment.net\/fr\/blog\/tensile-strength-vs-breaking-strength\/#_Frequently_Asked_Questions\" >\u00a0Questions fr\u00e9quemment pos\u00e9es<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ots-testequipment.net\/fr\/blog\/tensile-strength-vs-breaking-strength\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<p><span style=\"font-weight: 400;\">La r\u00e9sistance \u00e0 la traction et \u00e0 la rupture sont deux param\u00e8tres importants. Les fabricants tiennent compte de ces deux param\u00e8tres lorsqu'ils choisissent un mat\u00e9riau. Malheureusement, la plupart des profanes consid\u00e8rent ces param\u00e8tres comme identiques. Or, il existe de nombreuses diff\u00e9rences entre ces deux param\u00e8tres. Ces d\u00e9cisions sont \u00e0 l'origine du d\u00e9bat sur la r\u00e9sistance \u00e0 la traction et la r\u00e9sistance \u00e0 la rupture.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Ces deux param\u00e8tres sont utiles pour \u00e9valuer la capacit\u00e9 d'un mat\u00e9riau. La r\u00e9sistance \u00e0 la traction ou \u00e0 la rupture d'un objet peut \u00eatre inscrite sur n'importe quel mat\u00e9riau. Cela signifie qu'il ne faut jamais exercer une contrainte ou une charge sup\u00e9rieure \u00e0 cette limite. Dans cet article, j'aborderai en d\u00e9tail la r\u00e9sistance \u00e0 la traction et \u00e0 la rupture. Alors, c'est parti !<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Tensile_Strength\"><\/span><b>Qu'est-ce que la r\u00e9sistance \u00e0 la traction ?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-5239\" src=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-Tensile-Strength-300x225.webp\" alt=\"Qu&#039;est-ce que la r\u00e9sistance \u00e0 la traction\" width=\"501\" height=\"376\" srcset=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-Tensile-Strength-300x225.webp 300w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-Tensile-Strength-768x576.webp 768w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-Tensile-Strength-16x12.webp 16w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-Tensile-Strength.webp 1000w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Cet article n'a pas pour but de comparer ces deux param\u00e8tres. Il s'agit plut\u00f4t de comprendre leurs diff\u00e9rences. Entrons donc d'abord dans le vif du sujet de la r\u00e9sistance \u00e0 la traction.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Il s'agit de la traction maximale qu'un mat\u00e9riau peut supporter. Au-del\u00e0 de cette limite sp\u00e9cifique, le mat\u00e9riau se d\u00e9forme de mani\u00e8re permanente. Il ne reviendra donc pas \u00e0 sa forme ou \u00e0 sa position pr\u00e9c\u00e9dente. Rappelez-vous que le mat\u00e9riau ne se casse pas \u00e0 ce stade. Scientifiquement, il s'agit d'une force (contrainte) appliqu\u00e9e \u00e0 une unit\u00e9 de surface.<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">La r\u00e9sistance \u00e0 la traction de certains mat\u00e9riaux courants est la suivante :<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li aria-level=\"1\"><b>Caoutchouc : <\/b><span style=\"font-weight: 400;\">10-20 MPa<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><b>Acier : <\/b><span style=\"font-weight: 400;\">400-1 500 MPa<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\"><b>Aluminium : <\/b><span style=\"font-weight: 400;\">90-570 MPa<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Discutons de la r\u00e9sistance \u00e0 la traction dans les termes les plus simples. Supposons que vous ayez une bande de caoutchouc. Vous la tirez et continuez \u00e0 la tirer avec une certaine force. Mais lorsque vous arr\u00eatez de tirer, le caoutchouc revient \u00e0 sa position initiale. Cependant, si vous continuez \u00e0 tirer, vous atteindrez un point o\u00f9 la bande de caoutchouc commencera \u00e0 se d\u00e9former.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">En sortant, elle ne reviendra pas \u00e0 sa position initiale. Cependant, la bande de caoutchouc sera dans une position acceptable et ne sera pas fissur\u00e9e ou cass\u00e9e. Cette force \u00e0 ce stade correspondra \u00e0 la r\u00e9sistance \u00e0 la traction de la bande de caoutchouc. Avec la r\u00e9sistance \u00e0 la traction, le mat\u00e9riau ne se casse pas mais se d\u00e9forme. Il perd sa capacit\u00e9 \u00e0 revenir \u00e0 sa position.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Voici la formule pour calculer la r\u00e9sistance \u00e0 la traction :<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">La formule pour calculer la r\u00e9sistance \u00e0 la traction est la suivante :<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>R\u00e9sistance \u00e0 la traction = Force maximale (F) \/ Surface transversale (A)<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">L'unit\u00e9 de r\u00e9sistance \u00e0 la traction est le pascal. Il existe deux types de r\u00e9sistance : la r\u00e9sistance ultime \u00e0 la traction et la limite d'\u00e9lasticit\u00e9. \u00c0 la r\u00e9sistance \u00e0 la traction, le mat\u00e9riau pr\u00e9sente une d\u00e9formation importante. En revanche, la limite d'\u00e9lasticit\u00e9 est atteinte lorsque le mat\u00e9riau commence \u00e0 se d\u00e9former l\u00e9g\u00e8rement. La limite d'\u00e9lasticit\u00e9 est toujours inf\u00e9rieure \u00e0 la r\u00e9sistance ultime \u00e0 la traction.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Breaking_Strength\"><\/span><b>Qu'est-ce que la r\u00e9sistance \u00e0 la rupture ?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-5238\" src=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-Breaking-Strength-300x225.webp\" alt=\"Qu&#039;est-ce que la r\u00e9sistance \u00e0 la rupture ?\" width=\"500\" height=\"375\" srcset=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-Breaking-Strength-300x225.webp 300w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-Breaking-Strength-768x576.webp 768w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-Breaking-Strength-16x12.webp 16w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-Breaking-Strength.webp 1000w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Avez-vous compris la signification de la contrainte de traction ? Voyons maintenant ce qu'est la r\u00e9sistance \u00e0 la rupture :<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Il s'agit de la force ou de la contrainte maximale qu'un mat\u00e9riau peut supporter. Au-del\u00e0 de cette force, il se rompt ou se casse. En g\u00e9n\u00e9ral, les gens confondent rupture et d\u00e9formation. Apr\u00e8s la r\u00e9sistance \u00e0 la rupture, toute force appliqu\u00e9e entra\u00eenera la d\u00e9faillance du mat\u00e9riau. Apr\u00e8s cette force, le mat\u00e9riau ne sera plus utilisable.\u00a0<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">La r\u00e9sistance \u00e0 la rupture de certains mat\u00e9riaux est la suivante :<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Le verre :<\/b><span style=\"font-weight: 400;\"> 35-70 MPa<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Nylon :<\/b><span style=\"font-weight: 400;\"> 90-150 MPa<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Aluminium :<\/b><span style=\"font-weight: 400;\"> 90-310 MPa<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Discutons de la r\u00e9sistance \u00e0 la rupture avec des mots faciles \u00e0 comprendre en prenant l'exemple d'une bande de caoutchouc. Lorsque vous appliquez une force \u00e0 une bande de caoutchouc, elle commence \u00e0 se d\u00e9former. Le stade o\u00f9 elle commence \u00e0 se d\u00e9former de mani\u00e8re permanente est appel\u00e9 r\u00e9sistance \u00e0 la traction. Mais si l'on continue \u00e0 pousser, on se rapproche du point de rupture.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Il arrive un moment o\u00f9 les bandes de caoutchouc ne supportent plus de force ou de r\u00e9sistance. Il s'agit de la force maximale qu'une bande de caoutchouc peut endurer ou supporter. C'est ce qu'on appelle la r\u00e9sistance \u00e0 la rupture. Toute augmentation l\u00e9g\u00e8re de la force entra\u00eenera la rupture ou la d\u00e9faillance de ce mat\u00e9riau. En d'autres termes, il s'agit de la limite de force maximale \u00e0 laquelle un mat\u00e9riau peut faire face.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_the_Difference_Between_Tensile_Breaking_Strength\"><\/span><b>Quelle est la diff\u00e9rence entre la r\u00e9sistance \u00e0 la traction et la r\u00e9sistance \u00e0 la rupture ?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-5240\" src=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-the-Difference-Between-Tensile-Breaking-Strength-300x225.webp\" alt=\"Quelle est la diff\u00e9rence entre la r\u00e9sistance \u00e0 la traction et la r\u00e9sistance \u00e0 la rupture ?\" width=\"501\" height=\"376\" srcset=\"https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-the-Difference-Between-Tensile-Breaking-Strength-300x225.webp 300w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-the-Difference-Between-Tensile-Breaking-Strength-768x576.webp 768w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-the-Difference-Between-Tensile-Breaking-Strength-16x12.webp 16w, https:\/\/ots-testequipment.net\/wp-content\/uploads\/2024\/12\/What-is-the-Difference-Between-Tensile-Breaking-Strength.webp 1000w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Dans la section ci-dessus, j'ai expliqu\u00e9 s\u00e9par\u00e9ment la r\u00e9sistance \u00e0 la traction et la r\u00e9sistance \u00e0 la rupture. J'esp\u00e8re que vous avez maintenant une meilleure id\u00e9e de ces param\u00e8tres. Il est temps de rep\u00e9rer les diff\u00e9rences entre ces r\u00e9sistances \u00e0 la traction et au freinage.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-_Material_Behavior\"><\/span><b>1- Comportement des mat\u00e9riaux<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Ces deux param\u00e8tres nous aident \u00e0 comprendre le comportement et la capacit\u00e9 du mat\u00e9riau. Par exemple, \u00e0 la r\u00e9sistance \u00e0 la traction, le mat\u00e9riau est d\u00e9form\u00e9 de fa\u00e7on permanente. Il ne reviendra pas \u00e0 sa forme initiale. Il convient donc de ne pas d\u00e9passer la r\u00e9sistance \u00e0 la traction afin de pr\u00e9server l'\u00e9lasticit\u00e9 du mat\u00e9riau.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">D'autre part, la r\u00e9sistance \u00e0 la rupture indique la capacit\u00e9 de r\u00e9sistance \u00e0 la contrainte totale du mat\u00e9riau. Supposons qu'un mat\u00e9riau ait une r\u00e9sistance \u00e0 la rupture de 20 MPa. Cela signifie que si ce mat\u00e9riau est soumis \u00e0 une contrainte de 21 MPa, il ne se brisera pas ou ne c\u00e9dera pas. Ainsi, ces param\u00e8tres nous donnent diff\u00e9rentes informations sur le mat\u00e9riau.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-_Stage_of_Failure\"><\/span><b>2- Le stade de l'\u00e9chec<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">La r\u00e9sistance \u00e0 la traction n'indique pas le stade de la rupture. Par exemple, le mat\u00e9riau se d\u00e9formera si vous atteignez la limite de r\u00e9sistance \u00e0 la traction. Mais vous pourrez toujours l'utiliser de diff\u00e9rentes mani\u00e8res. N'oubliez pas que la r\u00e9sistance \u00e0 la traction indique la contrainte \u00e0 laquelle le mat\u00e9riau commence \u00e0 se d\u00e9former. Vous pouvez conserver le mat\u00e9riau s'il se d\u00e9forme l\u00e9g\u00e8rement.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Le mat\u00e9riau conserve une certaine \u00e9lasticit\u00e9 avant d'atteindre la r\u00e9sistance ultime \u00e0 la traction. En revanche, la r\u00e9sistance \u00e0 la rupture indique une d\u00e9faillance compl\u00e8te du mat\u00e9riau. Supposons que vous ayez un mat\u00e9riau et que vous lui appliquiez une contrainte sup\u00e9rieure \u00e0 sa r\u00e9sistance \u00e0 la rupture. Il en r\u00e9sultera des fissures et le mat\u00e9riau se brisera ou se rompra. Vous ne pourrez plus l'utiliser.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-_Flexibility_Range\"><\/span><b>3- Flexibilit\u00e9 et amplitude<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Comme je l'ai dit pr\u00e9c\u00e9demment, il existe deux types de r\u00e9sistance \u00e0 la traction. Il s'agit de la limite d'\u00e9lasticit\u00e9 et de la r\u00e9sistance ultime \u00e0 la traction. La limite d'\u00e9lasticit\u00e9 indique la contrainte \u00e0 laquelle le mat\u00e9riau commence \u00e0 se d\u00e9former. Cependant, il peut encore \u00eatre utilis\u00e9 et contenir une certaine \u00e9lasticit\u00e9.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Apr\u00e8s la limite d'\u00e9lasticit\u00e9, si vous continuez \u00e0 appliquer une force, vous atteignez la phase ITS. C'est le moment o\u00f9 le mat\u00e9riau est proche de la rupture. Le mat\u00e9riau peut \u00eatre utilis\u00e9 entre ces deux phrases. Cependant, la r\u00e9sistance au freinage n'a pas une telle gamme ou de tels types. Si vous d\u00e9passez la force de freinage, le mat\u00e9riau sera d\u00e9faillant.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-_Applications\"><\/span><b>4- Applications\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">La r\u00e9sistance \u00e0 la traction et \u00e0 la rupture est importante pour les fabricants. Elles les aident \u00e0 conna\u00eetre la capacit\u00e9 et la valeur r\u00e9elles de l'objet. Elles leur permettent de s\u00e9lectionner avec soin les mat\u00e9riaux n\u00e9cessaires \u00e0 leur projet. Par exemple, les fabricants choisissent les mat\u00e9riaux en fonction de la r\u00e9sistance \u00e0 la traction lorsqu'ils fabriquent des poutres ou des colonnes.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Les fabricants veillent \u00e0 mettre en place des charges que le mat\u00e9riau est capable de supporter. De m\u00eame, la r\u00e9sistance \u00e0 la rupture aide les fabricants \u00e0 conna\u00eetre la derni\u00e8re limite de contrainte que le mat\u00e9riau peut supporter. Avez-vous d\u00e9j\u00e0 lu des \u00e9tiquettes indiquant des alertes de d\u00e9faillance sur diff\u00e9rents produits ? Les fabricants ajoutent ces alertes ou ces limites en v\u00e9rifiant la r\u00e9sistance \u00e0 la rupture du mat\u00e9riau.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Avez-vous d\u00e9j\u00e0 remarqu\u00e9 la limite de poids indiqu\u00e9e sur la cabine de l'ascenseur ? Cette limite est bas\u00e9e sur la r\u00e9sistance \u00e0 la rupture du mat\u00e9riau lors de la r\u00e9alisation de l'ascenseur. Si un poids plus important est plac\u00e9 sur l'ascenseur, il en r\u00e9sultera une rupture de la limite. N'oubliez pas que ces r\u00e9sistances sont calcul\u00e9es et test\u00e9es en laboratoire \u00e0 l'aide de machines d'essai de traction.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Is_Fracture_Strength_the_Same_as_Tensile_Strength\"><\/span><b>La r\u00e9sistance \u00e0 la rupture est-elle la m\u00eame que la r\u00e9sistance \u00e0 la traction ?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">La r\u00e9ponse est NON ! Il s'agit dans les deux cas de param\u00e8tres ou de termes diff\u00e9rents.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>La r\u00e9sistance \u00e0 la fracture est un autre nom pour la r\u00e9sistance \u00e0 la rupture. Elle indique le point de contrainte o\u00f9 le mat\u00e9riau se brise ou se rompt. En revanche, la r\u00e9sistance \u00e0 la traction est la force maximale qu'un mat\u00e9riau peut supporter avant de se d\u00e9former de mani\u00e8re permanente.<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Apr\u00e8s la r\u00e9sistance \u00e0 la traction, le mat\u00e9riau ne revient pas \u00e0 sa position initiale. Cela signifie qu'il perd son \u00e9lasticit\u00e9. Cependant, il peut encore \u00eatre utilis\u00e9 avec tr\u00e8s peu d'\u00e9lasticit\u00e9. Cependant, la r\u00e9sistance \u00e0 la rupture est diff\u00e9rente. \u00c0 ce point de contrainte, le mat\u00e9riau se d\u00e9chire et se rompt. Cela signifie que vous ne pourrez plus du tout l'utiliser.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"_Frequently_Asked_Questions\"><\/span><b>\u00a0Questions fr\u00e9quemment pos\u00e9es<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><b>La r\u00e9sistance \u00e0 la traction est-elle la m\u00eame que la r\u00e9sistance \u00e0 la rupture ?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Non, la r\u00e9sistance \u00e0 la traction indique le niveau de contrainte auquel le mat\u00e9riau se d\u00e9forme de mani\u00e8re permanente. En revanche, la r\u00e9sistance \u00e0 la rupture indique la derni\u00e8re limite de la contrainte. Apr\u00e8s cette limite, le mat\u00e9riau est d\u00e9faillant et ne peut plus supporter de force ou de contrainte suppl\u00e9mentaire.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Qu'entend-on par r\u00e9sistance \u00e0 la rupture et en quoi diff\u00e8re-t-elle de la r\u00e9sistance \u00e0 la fracture ?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Il s'agit du point de contrainte apr\u00e8s lequel le mat\u00e9riau se brise ou se rompt. En d'autres termes, il s'agit de la derni\u00e8re limite de la contrainte. La r\u00e9sistance \u00e0 la fracture est un autre nom utilis\u00e9 pour la r\u00e9sistance \u00e0 la rupture.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Quelle est la diff\u00e9rence entre la tension et la r\u00e9sistance \u00e0 la traction ?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">La tension et la r\u00e9sistance \u00e0 la traction sont des termes totalement diff\u00e9rents. La tension indique toute force ou compression appliqu\u00e9e \u00e0 un objet. En revanche, la r\u00e9sistance \u00e0 la traction d\u00e9signe la force ou la contrainte que le mat\u00e9riau peut supporter avant de se d\u00e9former de mani\u00e8re permanente.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Un mat\u00e9riau perd-il toute son \u00e9lasticit\u00e9 lorsqu'il est \u00e9tir\u00e9 jusqu'\u00e0 sa r\u00e9sistance \u00e0 la traction ?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Le mat\u00e9riau perd la majeure partie de son \u00e9lasticit\u00e9 et se d\u00e9forme de mani\u00e8re permanente. Toutefois, il est encore possible de le tirer ou de l'\u00e9tirer jusqu'\u00e0 sa r\u00e9sistance ultime \u00e0 la traction. Apr\u00e8s la r\u00e9sistance \u00e0 la traction, le mat\u00e9riau se rompt et se casse.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><b>Conclusion<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Comme indiqu\u00e9 ci-dessus, la r\u00e9sistance \u00e0 la traction et la r\u00e9sistance \u00e0 la rupture sont deux param\u00e8tres diff\u00e9rents. Cependant, de nombreuses personnes les confondent et les consid\u00e8rent comme identiques. Or, c'est faux. Dans cet article, j'ai examin\u00e9 leurs diff\u00e9rences et j'ai \u00e9tabli qu'elles sont toutes deux diff\u00e9rentes. Par exemple, la r\u00e9sistance \u00e0 la traction est la force appliqu\u00e9e par unit\u00e9 de surface.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Chaque mat\u00e9riau a une valeur de r\u00e9sistance \u00e0 la traction sp\u00e9cifique. Au-del\u00e0 de cette valeur, il se d\u00e9forme de fa\u00e7on permanente. \u00c0 l'inverse, la r\u00e9sistance \u00e0 la rupture est la contrainte maximale qu'un mat\u00e9riau peut supporter. Comme pour la r\u00e9sistance \u00e0 la traction, chaque mat\u00e9riau a une valeur de r\u00e9sistance \u00e0 la rupture diff\u00e9rente. Au-del\u00e0 de cette valeur, non seulement il se d\u00e9formera, mais il ne pourra plus \u00eatre utilis\u00e9. En d'autres termes, il se d\u00e9t\u00e9riore et ne fonctionne plus. Enfin, les deux param\u00e8tres ont des applications diff\u00e9rentes dans des domaines diff\u00e9rents.\u00a0<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>La r\u00e9sistance \u00e0 la traction et \u00e0 la rupture sont deux param\u00e8tres importants. Les fabricants tiennent compte de ces deux param\u00e8tres lorsqu'ils choisissent un mat\u00e9riau. Malheureusement, la plupart des profanes consid\u00e8rent ces param\u00e8tres comme identiques. Or, il existe de nombreuses diff\u00e9rences entre ces deux param\u00e8tres. Ces d\u00e9cisions sont \u00e0 l'origine du d\u00e9bat sur la r\u00e9sistance \u00e0 la traction et la r\u00e9sistance \u00e0 la rupture.   Ces deux param\u00e8tres sont utiles pour \u00e9valuer la capacit\u00e9...<\/p>","protected":false},"author":13,"featured_media":5123,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5122","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>Tensile Strength vs Breaking Strength<\/title>\n<meta name=\"description\" content=\"This article discusses tensile strength vs breaking strength. Read and explore their differences. 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Lisez et explorez leurs diff\u00e9rences. Les deux sont utiles aux fabricants.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/ots-testequipment.net\/fr\/blog\/resistance-a-la-traction-et-resistance-a-la-rupture\/","og_locale":"fr_FR","og_type":"article","og_title":"Tensile Strength vs Breaking Strength","og_description":"This article discusses tensile strength vs breaking strength. Read and explore their differences. 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Lisez et explorez leurs diff\u00e9rences. 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