{"id":107915,"date":"2024-03-19T14:54:09","date_gmt":"2024-03-19T13:54:09","guid":{"rendered":"https:\/\/step-lab.com\/?page_id=107915"},"modified":"2024-04-08T10:08:52","modified_gmt":"2024-04-08T08:08:52","slug":"essai-torsion","status":"publish","type":"page","link":"https:\/\/step-lab.com\/fr\/essai-torsion\/","title":{"rendered":"Essai de Torsion"},"content":{"rendered":"<div id='av_section_1'  class='avia-section av-lnyi4lxb-ea6a269f7ea9daf3fdbbcc8fe4601f75 main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_section  avia-builder-el-first  av-mini-hide avia-bg-style-scroll av-section-with-video-bg av-section-mobile-video-disabled container_wrap fullsize'   data-section-video-ratio='1920:1080'><div  class='avia-slideshow av_slideshow_obj-1-69e121e66a9d6 avia-slideshow-featured av_slideshow avia-slide-slider av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied  av-section-video-bg avia-slideshow-1' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 28.666666666667%;'><li  data-controls='disabled' data-mute='aviaTBaviaTBvideo_mute' data-loop='1' data-disable-autoplay=''  data-video-ratio='1.7777777777778' class='avia-slideshow-slide av_slideshow_obj-1-69e121e66a9d6__0  av-video-slide  av-video-service-html5  av-hide-video-controls av-mute-video av-loop-video  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap '    itemprop=\"video\" itemtype=\"https:\/\/schema.org\/VideoObject\" ><div class='av-click-overlay'><\/div><video class='avia_video'  autoplay playsinline loop preload=\"metadata\" muted  id='player_107915_1727144973_979668770'><source src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/torsion-test.mp4\" type=\"video\/mp4\" \/><\/video><div class=\"av-click-to-play-overlay\"><div class=\"avia_playpause_icon\"><\/div><\/div><\/div><\/li><\/ul><\/div><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-107915'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyi7q45-38e8190bd353538dded0dec92c923ccf\">\n#top .hr.hr-invisible.av-lnyi7q45-38e8190bd353538dded0dec92c923ccf{\nheight:500px;\n}\n<\/style>\n<div  class='hr av-lnyi7q45-38e8190bd353538dded0dec92c923ccf hr-invisible  avia-builder-el-1  avia-builder-el-no-sibling '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><div id='av_section_2'  class='avia-section av-mw8fpjt-f6a59a0ec41fdc3856d2bb50cf975678 main_color avia-section-default avia-no-border-styling  avia-builder-el-2  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-107915'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-mh5oyhl-bf039f56674ea94b06817ac67098c1a9 av_one_fifth  avia-builder-el-3  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-ls1wy6x-75250af52cadd5f6017bcce3aa9de7df av_three_fifth  avia-builder-el-4  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyh4mlq-5b894fa647fd73b05552600c9400214f\">\n#top .av-special-heading.av-lnyh4mlq-5b894fa647fd73b05552600c9400214f{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnyh4mlq-5b894fa647fd73b05552600c9400214f .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnyh4mlq-5b894fa647fd73b05552600c9400214f .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnyh4mlq-5b894fa647fd73b05552600c9400214f av-special-heading-h1  avia-builder-el-5  el_before_av_textblock  avia-builder-el-first '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Quest-ce_que_lessai_de_torsion\"><\/span>Qu\u2019est-ce que l\u2019essai de torsion ?<span class=\"ez-toc-section-end\"><\/span><\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyh4g2n-63b8a92c7c6d861e7b344c4a51e5c793\">\n#top .av_textblock_section.av-lnyh4g2n-63b8a92c7c6d861e7b344c4a51e5c793 .avia_textblock{\nfont-size:18px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top .av_textblock_section.av-lnyh4g2n-63b8a92c7c6d861e7b344c4a51e5c793 .avia_textblock{\nfont-size:18px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-lnyh4g2n-63b8a92c7c6d861e7b344c4a51e5c793 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>L&rsquo;<strong>essai de torsion<\/strong> est une m\u00e9thode d&rsquo;essai m\u00e9canique qui permet d&rsquo;\u00e9valuer les propri\u00e9t\u00e9s des mat\u00e9riaux ou des dispositifs soumis \u00e0 une contrainte provoqu\u00e9e par un d\u00e9placement angulaire. Lors d&rsquo;un essai de torsion, l&rsquo;\u00e9chantillon est soumis \u00e0 une force de torsion induisant un couple. Cet essai est utilis\u00e9 pour mesurer diverses propri\u00e9t\u00e9s m\u00e9caniques des mat\u00e9riaux, notamment le module de rigidit\u00e9, la contrainte de cisaillement et la d\u00e9formation par cisaillement.<\/p>\n<p>Les essais de torsion fournissent des informations pr\u00e9cieuses sur la capacit\u00e9 d&rsquo;un mat\u00e9riau \u00e0 r\u00e9sister \u00e0 la d\u00e9formation lorsqu&rsquo;il est soumis \u00e0 des charges de torsion.<\/p>\n<div id=\"malwarebytes-root\"><\/div>\n<div id=\"malwarebytes-root\"><\/div>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-luqo825h-3dc82c684ea521a5dddf2ce785dda8c3\">\n#top .hr.hr-invisible.av-luqo825h-3dc82c684ea521a5dddf2ce785dda8c3{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-luqo825h-3dc82c684ea521a5dddf2ce785dda8c3 hr-invisible  avia-builder-el-7  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-jik7iux-b123cb0997fdda7de328bb12a60fbe2c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">PAGE CONTENT<\/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 of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #a81010;color:#a81010\" 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: #a81010;color:#a81010\" 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-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/step-lab.com\/fr\/essai-torsion\/#Quest-ce_que_lessai_de_torsion\" >Qu\u2019est-ce que l\u2019essai de torsion ?<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/step-lab.com\/fr\/essai-torsion\/#Quel_est_lobjectif_dun_essai_de_torsion\" >Quel est l\u2019objectif d\u2019un essai de torsion ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/step-lab.com\/fr\/essai-torsion\/#Comment_se_deroule_un_essai_de_torsion\" >Comment se d\u00e9roule un essai de torsion ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/step-lab.com\/fr\/essai-torsion\/#Types_dessais_de_torsion\" >Types d\u2019essais de torsion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/step-lab.com\/fr\/essai-torsion\/#Applications_populaires_des_essais_de_torsion\" >Applications populaires des essais de torsion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/step-lab.com\/fr\/essai-torsion\/#Les_essais_de_torsion_les_plus_courants\" >Les essais de torsion les plus courants<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/step-lab.com\/fr\/essai-torsion\/#Machines_dessai_de_torsion\" >Machines d\u2019essai de torsion<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<\/div><\/section><\/p><\/div><div  class='flex_column av-l7np6zd-46ff37c1fbfadee66e2ab12e1af79504 av_one_fifth flex_column_div  '     ><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_12'  class='avia-section av-l4fwdtl-bce55308dae3ebba640ee17570f0f898 main_color avia-section-default avia-no-border-styling avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-107915'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-219mjcp-bf9d197dcbc3e12db8d16b15a442ce4c av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-k5sgz5l-8373f990004083100f2456a7e6861294 av_three_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyh6bkg-2dbe454ad1f22e3cf2ef59c9321f7871\">\n#top .av-special-heading.av-lnyh6bkg-2dbe454ad1f22e3cf2ef59c9321f7871{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnyh6bkg-2dbe454ad1f22e3cf2ef59c9321f7871 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnyh6bkg-2dbe454ad1f22e3cf2ef59c9321f7871 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnyh6bkg-2dbe454ad1f22e3cf2ef59c9321f7871 av-special-heading-h2'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Quel_est_lobjectif_dun_essai_de_torsion\"><\/span>Quel est l\u2019objectif d\u2019un essai de torsion ?<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyh6iyr-9c8f1f19d3ad56b5d2b1e0628b2ac6cf\">\n#top .av_textblock_section.av-lnyh6iyr-9c8f1f19d3ad56b5d2b1e0628b2ac6cf .avia_textblock{\nfont-size:16px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top .av_textblock_section.av-lnyh6iyr-9c8f1f19d3ad56b5d2b1e0628b2ac6cf .avia_textblock{\nfont-size:18px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-lnyh6iyr-9c8f1f19d3ad56b5d2b1e0628b2ac6cf '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>La motivation la plus importante pour les essais de torsion provient de l&rsquo;omnipr\u00e9sence des forces de torsion dans le fonctionnement d&rsquo;une myriade de produits et de composants. Prenons l&rsquo;exemple du m\u00e9tal utilis\u00e9 dans les transmissions des v\u00e9hicules. En cours de fonctionnement, il r\u00e9siste \u00e0 des charges combin\u00e9es complexes, dont la torsion est la principale composante. Afin de concevoir des v\u00e9hicules plus \u00e9conomes en carburant, les ing\u00e9nieurs peuvent envisager de changer le mat\u00e9riau de l&rsquo;arbre d&rsquo;h\u00e9lice pour r\u00e9duire le poids du v\u00e9hicule. Les essais de torsion jouent un r\u00f4le cl\u00e9 dans ce sc\u00e9nario, permettant aux ing\u00e9nieurs d&rsquo;identifier les mat\u00e9riaux qui atteignent un \u00e9quilibre entre la r\u00e9sistance \u00e0 la torsion et les objectifs d&rsquo;all\u00e8gement.<\/p>\n<p>Le champ d&rsquo;application des essais de torsion va au-del\u00e0 des mati\u00e8res premi\u00e8res et inclut \u00e9galement les produits finis. Les tubes biom\u00e9dicaux, les interrupteurs, les fixations et un large \u00e9ventail d&rsquo;autres dispositifs sont soumis \u00e0 des contraintes de torsion dans leur utilisation quotidienne. En soumettant ces produits \u00e0 des essais de torsion, les fabricants simulent des conditions de service r\u00e9elles, examinent la qualit\u00e9 des produits, v\u00e9rifient les conceptions et s&rsquo;assurent de l&rsquo;ad\u00e9quation des techniques de production.<\/p>\n<div id=\"malwarebytes-root\"><\/div>\n<div id=\"malwarebytes-root\"><\/div>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-isnwuop-f94529d92f5c8a992dbbe20e1303267a av_one_fifth flex_column_div  '     ><\/div>\n<\/p>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-icx8h3t-9b922d2d5870f626e8e2ac1401ce439f\">\n.avia-section.av-icx8h3t-9b922d2d5870f626e8e2ac1401ce439f{\nbackground-color:#f7f7f7;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_13'  class='avia-section av-icx8h3t-9b922d2d5870f626e8e2ac1401ce439f main_color avia-section-default avia-no-border-styling avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-107915'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-hqmo5nd-68f9fd2d0211d586be39b3f5f3b187d4 av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-hg5drll-d9e2f91aae5e1d2f4cd005b1b19dcc94 av_three_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyiggfz-99e37f486218085d21cfd4e54fcae057\">\n#top .av-special-heading.av-lnyiggfz-99e37f486218085d21cfd4e54fcae057{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnyiggfz-99e37f486218085d21cfd4e54fcae057 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnyiggfz-99e37f486218085d21cfd4e54fcae057 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnyiggfz-99e37f486218085d21cfd4e54fcae057 av-special-heading-h2'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Comment_se_deroule_un_essai_de_torsion\"><\/span>Comment se d\u00e9roule un essai de torsion ?<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyhb1ne-d52ffabf043acb62fd90558dab60c59d\">\n#top .av_textblock_section.av-lnyhb1ne-d52ffabf043acb62fd90558dab60c59d .avia_textblock{\nfont-size:16px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top .av_textblock_section.av-lnyhb1ne-d52ffabf043acb62fd90558dab60c59d .avia_textblock{\nfont-size:18px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-lnyhb1ne-d52ffabf043acb62fd90558dab60c59d '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>L&rsquo;essai de torsion est un processus crucial dans les essais de mat\u00e9riaux qui aide les ing\u00e9nieurs et les scientifiques \u00e0 comprendre la r\u00e9ponse d&rsquo;un mat\u00e9riau aux forces de torsion. Pour effectuer un essai de torsion, proc\u00e9dez comme suit :<\/p>\n<ol>\n<li><strong>Pr\u00e9paration de l&rsquo;\u00e9chantillon<\/strong> : commencez par pr\u00e9parer un \u00e9chantillon cylindrique du mat\u00e9riau \u00e0 tester. Veillez \u00e0 ce que le diam\u00e8tre et la longueur soient uniformes pour obtenir des r\u00e9sultats pr\u00e9cis.<\/li>\n<li><strong>Fixation<\/strong> : fixer l&rsquo;\u00e9chantillon dans une machine d&rsquo;essai \u00e9quip\u00e9e de pinces sp\u00e9ciales con\u00e7ues pour la torsion. Une extr\u00e9mit\u00e9 de l&rsquo;\u00e9chantillon est fixe, tandis que l&rsquo;autre est libre de tourner.<\/li>\n<li><strong>R\u00e9glage de la mesure<\/strong> : connectez les capteurs pour mesurer le couple (force de torsion) et le d\u00e9placement angulaire. Ces capteurs enregistrent des donn\u00e9es pendant toute la dur\u00e9e du test.<\/li>\n<li><strong>Chargement<\/strong> : appliquer progressivement un couple \u00e0 l&rsquo;\u00e9chantillon. La force de torsion induit une d\u00e9formation angulaire du mat\u00e9riau.<\/li>\n<li><strong>Collecte de donn\u00e9es<\/strong> : surveillance et enregistrement continus des donn\u00e9es relatives au couple et au d\u00e9placement angulaire. Ces informations permettent de comprendre le comportement du mat\u00e9riau en cas de torsion.<\/li>\n<li><strong>Analyse<\/strong> : une fois l&rsquo;essai termin\u00e9, analysez les donn\u00e9es pour d\u00e9terminer le module de cisaillement, la r\u00e9sistance \u00e0 la torsion et d&rsquo;autres propri\u00e9t\u00e9s pertinentes du mat\u00e9riau.<\/li>\n<li><strong>Rapport<\/strong> : r\u00e9sumer les r\u00e9sultats dans un rapport clair, en indiquant les conditions d&rsquo;essai, l&rsquo;\u00e9quipement utilis\u00e9 et les performances du mat\u00e9riau.<\/li>\n<\/ol>\n<div id=\"malwarebytes-root\"><\/div>\n<div id=\"malwarebytes-root\"><\/div>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-lnyhbc9z-2ef7bb0e234ff3abce9f01e973abb281-wrap avia-button-left '><a href='https:\/\/step-lab.com\/systems-torsional-testing\/'  class='avia-button av-lnyhbc9z-2ef7bb0e234ff3abce9f01e973abb281 av-link-btn avia-icon_select-no avia-size-small avia-position-left avia-color-theme-color'   aria-label=\"Cliquez ici pour voir nos machines d\u2019essai de torsion\"><span class='avia_iconbox_title' >Cliquez ici pour voir nos machines d\u2019essai de torsion<\/span><\/a><\/div><\/p><\/div><div  class='flex_column av-gs4d2s9-637f4134316c2c23da30349f93e0993f av_one_fifth flex_column_div  '     ><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-gd0lvzt-d00631479eddf9c180f7848114ae821b\">\n.avia-section.av-gd0lvzt-d00631479eddf9c180f7848114ae821b{\nbackground-color:ffffff;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_14'  class='avia-section av-gd0lvzt-d00631479eddf9c180f7848114ae821b main_color avia-section-default avia-no-border-styling avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-107915'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-fxezp21-c2a2eaf905fe7bf98178bbd0bec88497 av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-fhcl2ux-dc6d6a41c1c12fbdcec4ce1c1c264c28 av_three_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyh9dld-52a2b52954cf871d698ebf155a758838\">\n#top .av-special-heading.av-lnyh9dld-52a2b52954cf871d698ebf155a758838{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnyh9dld-52a2b52954cf871d698ebf155a758838 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnyh9dld-52a2b52954cf871d698ebf155a758838 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnyh9dld-52a2b52954cf871d698ebf155a758838 av-special-heading-h2'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Types_dessais_de_torsion\"><\/span>Types d\u2019essais de torsion<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyh9rw6-d5b7f026f9f6d05497a62baba25ac706\">\n#top .av_textblock_section.av-lnyh9rw6-d5b7f026f9f6d05497a62baba25ac706 .avia_textblock{\nfont-size:16px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top .av_textblock_section.av-lnyh9rw6-d5b7f026f9f6d05497a62baba25ac706 .avia_textblock{\nfont-size:20px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-lnyh9rw6-d5b7f026f9f6d05497a62baba25ac706 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Les essais de torsion se pr\u00e9sentent sous diff\u00e9rentes formes, en fonction de l&rsquo;application et des objectifs \u00e0 atteindre. Ces tests peuvent \u00eatre class\u00e9s dans les cat\u00e9gories suivantes :<\/p>\n<ul>\n<li><strong>Torsion seule<\/strong> : dans ce mode, les \u00e9chantillons sont soumis \u00e0 des charges purement torsionnelles.<\/li>\n<li><strong>Torsion axiale<\/strong> : ce type d&rsquo;essai combine des forces axiales (tension ou compression) avec des forces de torsion appliqu\u00e9es \u00e0 l&rsquo;\u00e9chantillon.<\/li>\n<li><strong>Essai de rupture<\/strong> : l&rsquo;objectif est de soumettre le produit, le composant ou l&rsquo;\u00e9chantillon \u00e0 une torsion jusqu&rsquo;\u00e0 la rupture. La d\u00e9faillance peut se manifester sous la forme d&rsquo;une rupture physique ou d&rsquo;une courbure\/d\u00e9faut dans l&rsquo;\u00e9chantillon.<\/li>\n<li><strong>Essais de r\u00e9sistance<\/strong> : les essais de r\u00e9sistance consistent \u00e0 appliquer une charge de torsion et \u00e0 la maintenir pendant une dur\u00e9e d\u00e9termin\u00e9e.<\/li>\n<li><strong>Essais fonctionnels<\/strong> : les essais fonctionnels vont au-del\u00e0 des composants individuels et se concentrent sur les essais d&rsquo;assemblages ou de produits complets, tels que les bouchons de bouteille, les interrupteurs, les stylos \u00e0 cadran ou les colonnes de direction. L&rsquo;objectif est de v\u00e9rifier que le produit fonctionne comme pr\u00e9vu sous des charges de torsion.<\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-ere58wp-817d34cfbec4b70683c5b7c69f65a9e8 av_one_fifth flex_column_div  '     ><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-emlhjh5-4fb8d81cc856d8926e67bbab99971480\">\n.avia-section.av-emlhjh5-4fb8d81cc856d8926e67bbab99971480{\nbackground-color:#f7f7f7;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_15'  class='avia-section av-emlhjh5-4fb8d81cc856d8926e67bbab99971480 main_color avia-section-default avia-no-border-styling avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-107915'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-52awl5-22e4a533ab6473651a1e95dda1d0d206 av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-dgcwggp-5c1a454e33345467c6d7d20f15fc7f49 av_three_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyicale-1b86941bdea1310f00b40bb8c791aa96\">\n#top .av-special-heading.av-lnyicale-1b86941bdea1310f00b40bb8c791aa96{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnyicale-1b86941bdea1310f00b40bb8c791aa96 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnyicale-1b86941bdea1310f00b40bb8c791aa96 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnyicale-1b86941bdea1310f00b40bb8c791aa96 av-special-heading-h2'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Applications_populaires_des_essais_de_torsion\"><\/span>Applications populaires des essais de torsion<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyibus3-062ea0937eed9d31d993657516d9e2d3\">\n#top .av_textblock_section.av-lnyibus3-062ea0937eed9d31d993657516d9e2d3 .avia_textblock{\nfont-size:16px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top .av_textblock_section.av-lnyibus3-062ea0937eed9d31d993657516d9e2d3 .avia_textblock{\nfont-size:20px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-lnyibus3-062ea0937eed9d31d993657516d9e2d3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Les tests de torsion trouvent de nombreuses applications dans diff\u00e9rents secteurs. Parmi les principales applications, on peut citer<\/p>\n<ul>\n<li><strong>Biom\u00e9dical<\/strong> : \u00e9valuation des propri\u00e9t\u00e9s de torsion des dispositifs m\u00e9dicaux, tels que les vis et les forets.<\/li>\n<li><strong>Automobile<\/strong> : \u00e9valuer le comportement en torsion des composants automobiles pour garantir la s\u00e9curit\u00e9 et les performances.<\/li>\n<li><strong>A\u00e9rospatiale<\/strong> : tester la fiabilit\u00e9 des mat\u00e9riaux utilis\u00e9s dans les applications a\u00e9rospatiales sous des charges de torsion.<\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-1b5vy49-b14dc91e018008daa2697f9f727974d8 av_one_fifth flex_column_div  '     ><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-cjaxdo9-5a9584527b926a3dc2fece23ae72225e\">\n.avia-section.av-cjaxdo9-5a9584527b926a3dc2fece23ae72225e{\nbackground-color:#ffffff;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_16'  class='avia-section av-cjaxdo9-5a9584527b926a3dc2fece23ae72225e main_color avia-section-default avia-no-border-styling avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-107915'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-c17rlcp-ec2bc21a7320fe1dd7b81cd488d7a8c5 av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-bngj8d5-155f2a50cd7a1e859882c9cd3d8b6ab5 av_three_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyhc2rr-ec9a85004525cbdeae55ec623c43d172\">\n#top .av-special-heading.av-lnyhc2rr-ec9a85004525cbdeae55ec623c43d172{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnyhc2rr-ec9a85004525cbdeae55ec623c43d172 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnyhc2rr-ec9a85004525cbdeae55ec623c43d172 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnyhc2rr-ec9a85004525cbdeae55ec623c43d172 av-special-heading-h2'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Les_essais_de_torsion_les_plus_courants\"><\/span>Les essais de torsion les plus courants<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyhcihh-154292a5014fdd687bf9d66f6c0b53ec\">\n#top .av_textblock_section.av-lnyhcihh-154292a5014fdd687bf9d66f6c0b53ec .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-lnyhcihh-154292a5014fdd687bf9d66f6c0b53ec '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Le domaine des essais de torsion est r\u00e9gi par un ensemble de normes rigoureuses qui garantissent la coh\u00e9rence et la fiabilit\u00e9 des proc\u00e9dures d&rsquo;essai. Parmi les normes les plus importantes, on peut citer<\/p>\n<ul>\n<li><strong>ASTM F543<\/strong> : cette norme couvre les essais de torsion et les essais axiaux des vis \u00e0 os.<\/li>\n<li><strong>ASTM A938<\/strong> : cette norme, qui se concentre sur les tests de torsion des fils, fournit des lignes directrices compl\u00e8tes.<\/li>\n<li><strong>ISO 7800<\/strong> : La norme ISO 7800 d\u00e9finit des proc\u00e9dures pour les essais de torsion des fils.<\/li>\n<li><strong>ISO 594\/ISO 80369<\/strong> : ces normes traitent de l&rsquo;essai des raccords Luer coniques et garantissent leur conformit\u00e9 aux sp\u00e9cifications \u00e9tablies.<\/li>\n<li><strong>ISO 7206<\/strong> : L&rsquo;ISO 7206 couvre les essais de r\u00e9sistance et de fatigue des articulations artificielles de la hanche, un aspect essentiel des essais de dispositifs m\u00e9dicaux.<\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-b5f7w0p-206cf2fcb64999d192c30d173559aeda av_one_fifth flex_column_div  '     ><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-auszlnd-dc8aa3f5e9160ac541010a3376e52439\">\n.avia-section.av-auszlnd-dc8aa3f5e9160ac541010a3376e52439{\nbackground-color:#f7f7f7;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_17'  class='avia-section av-auszlnd-dc8aa3f5e9160ac541010a3376e52439 main_color avia-section-default avia-no-border-styling avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-107915'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-ad3a7ll-c7a8f50d65f073c2a761535337d59106 av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-9zthumx-5342991d6b4b4b6a45b92e2672d398ef av_three_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyhcsx9-275b0f74d71bb20672c89670f0b1c179\">\n#top .av-special-heading.av-lnyhcsx9-275b0f74d71bb20672c89670f0b1c179{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnyhcsx9-275b0f74d71bb20672c89670f0b1c179 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnyhcsx9-275b0f74d71bb20672c89670f0b1c179 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnyhcsx9-275b0f74d71bb20672c89670f0b1c179 av-special-heading-h2'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Machines_dessai_de_torsion\"><\/span>Machines d\u2019essai de torsion<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-9bfdmih-50a5cbac412ca2147134680d395bf2d2\">\n#top .hr.hr-invisible.av-9bfdmih-50a5cbac412ca2147134680d395bf2d2{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-9bfdmih-50a5cbac412ca2147134680d395bf2d2 hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div><div  class='flex_column av-94oac7t-e9b72e3cf796e1a60e5e27b82270e6c3 av_one_fifth flex_column_div  '     ><\/div><div  class='flex_column av-8nlka49-8ac879dae6189076f4630217cd41d93a av_one_fourth first flex_column_div  '     ><\/div><div  class='flex_column av-81j1bbt-5869be141bd267d94e063ce6b779e90a av_one_fourth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyheo32-b8ba3a1ce7b920e734646e98778ddc2f\">\n.avia-image-container.av-lnyheo32-b8ba3a1ce7b920e734646e98778ddc2f img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-lnyheo32-b8ba3a1ce7b920e734646e98778ddc2f 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https:\/\/step-lab.com\/wp-content\/uploads\/2022\/06\/UD040-Torsionali.104-3-1354x1536.png 1354w, https:\/\/step-lab.com\/wp-content\/uploads\/2022\/06\/UD040-Torsionali.104-3-1805x2048.png 1805w, https:\/\/step-lab.com\/wp-content\/uploads\/2022\/06\/UD040-Torsionali.104-3-1322x1500.png 1322w, https:\/\/step-lab.com\/wp-content\/uploads\/2022\/06\/UD040-Torsionali.104-3-621x705.png 621w\" sizes=\"(max-width: 264px) 100vw, 264px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnyhhzo3-f350e87c6f9afd18e0698af2431dd8d0\">\n#top .av_textblock_section.av-lnyhhzo3-f350e87c6f9afd18e0698af2431dd8d0 .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-lnyhhzo3-f350e87c6f9afd18e0698af2431dd8d0 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong>S\u00c9RIE BV<\/strong><\/p>\n<p style=\"text-align: center;\">Syst\u00e8mes de torsion axiale<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-lnyhibh3-4dbebabd08261ffd4b5b191487e1cc33-wrap avia-button-center '><a href='https:\/\/step-lab.com\/multi-actuator-systems\/axial-torsion-systems\/'  class='avia-button av-lnyhibh3-4dbebabd08261ffd4b5b191487e1cc33 av-link-btn avia-icon_select-no avia-size-small avia-position-center avia-color-theme-color'   aria-label=\"En savoir plus\"><span class='avia_iconbox_title' >En savoir plus<\/span><\/a><\/div><\/p><\/div><div  class='flex_column av-7saipyx-0341735c47956650afc2b84dce7be2ef av_one_fourth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-74tomk9-8cb395b3aeee5d57d490b83811ef471b\">\n.avia-image-container.av-74tomk9-8cb395b3aeee5d57d490b83811ef471b img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-74tomk9-8cb395b3aeee5d57d490b83811ef471b 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https:\/\/step-lab.com\/wp-content\/uploads\/2022\/06\/Torsiometro-laterale-1224x1536.png 1224w, https:\/\/step-lab.com\/wp-content\/uploads\/2022\/06\/Torsiometro-laterale-1632x2048.png 1632w, https:\/\/step-lab.com\/wp-content\/uploads\/2022\/06\/Torsiometro-laterale-1196x1500.png 1196w, https:\/\/step-lab.com\/wp-content\/uploads\/2022\/06\/Torsiometro-laterale-562x705.png 562w\" sizes=\"(max-width: 239px) 100vw, 239px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6olx3x5-33ecf554a436fa297eaa04b113024b39\">\n#top .av_textblock_section.av-6olx3x5-33ecf554a436fa297eaa04b113024b39 .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-6olx3x5-33ecf554a436fa297eaa04b113024b39 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong>S\u00c9RIE TM<\/strong><\/p>\n<p 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