{"id":107909,"date":"2024-03-19T14:54:24","date_gmt":"2024-03-19T13:54:24","guid":{"rendered":"https:\/\/step-lab.com\/?page_id=107909"},"modified":"2024-04-08T10:14:27","modified_gmt":"2024-04-08T08:14:27","slug":"essai-flexion","status":"publish","type":"page","link":"https:\/\/step-lab.com\/fr\/essai-flexion\/","title":{"rendered":"Essai de Flexion"},"content":{"rendered":"<div id='av_section_1'  class='avia-section av-7ly55vme-578ee07adb6c795aa986a278cdf851d6 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-1-69dd03be1b1f9 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-1-69dd03be1b1f9__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_107909_825907645_453161461'><source src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/bend-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-107909'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7gs6rxp2-626136cd22778b3638713aabd3a40778\">\n#top .hr.hr-invisible.av-7gs6rxp2-626136cd22778b3638713aabd3a40778{\nheight:400px;\n}\n<\/style>\n<div  class='hr av-7gs6rxp2-626136cd22778b3638713aabd3a40778 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-843vpj86-a7932f5f03f8d18d7a55a56825f45ac4 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-107909'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-7zsct6dy-04ae5b56e505cb8374b2743299691880 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-7unq1wuu-292bdc584aca57fdce90f00abedb72b5 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-losb2b8g-f9f13baf5ae08d60ae98a30031fb5bf8\">\n#top .av-special-heading.av-losb2b8g-f9f13baf5ae08d60ae98a30031fb5bf8{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-losb2b8g-f9f13baf5ae08d60ae98a30031fb5bf8 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-losb2b8g-f9f13baf5ae08d60ae98a30031fb5bf8 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-losb2b8g-f9f13baf5ae08d60ae98a30031fb5bf8 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_quun_essai_de_flexion\"><\/span>Qu\u2019est-ce qu\u2019un essai de flexion ?<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-losb26sb-c9113748a33a4509569b7c708016577c\">\n#top .av_textblock_section.av-losb26sb-c9113748a33a4509569b7c708016577c .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-losb26sb-c9113748a33a4509569b7c708016577c .avia_textblock{\nfont-size:18px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-losb26sb-c9113748a33a4509569b7c708016577c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>L&rsquo;<strong>essai de flexion<\/strong> est une m\u00e9thode normalis\u00e9e utilis\u00e9e pour \u00e9valuer la ductilit\u00e9, la r\u00e9sistance \u00e0 la flexion, la t\u00e9nacit\u00e9 et la r\u00e9sistance \u00e0 la rupture des mat\u00e9riaux. Cette m\u00e9thodologie d&rsquo;essai consiste \u00e0 soumettre un \u00e9chantillon \u00e0 une force de flexion contr\u00f4l\u00e9e afin d&rsquo;\u00e9valuer sa r\u00e9sistance \u00e0 la d\u00e9formation.<\/p>\n<p>L&rsquo;essai de flexion est important dans les processus de construction impliquant des mat\u00e9riaux ductiles soumis \u00e0 des forces de flexion, car l&rsquo;absence de fractures lors d&rsquo;un essai de flexion est une indication de la capacit\u00e9 du mat\u00e9riau \u00e0 r\u00e9sister \u00e0 des contraintes similaires dans des applications r\u00e9elles.<\/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-luqof8zl-19408c24a83f9474d1aaacbe5795c98a\">\n#top .hr.hr-invisible.av-luqof8zl-19408c24a83f9474d1aaacbe5795c98a{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-luqof8zl-19408c24a83f9474d1aaacbe5795c98a 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-6yqp8ok6-13d8c1ec30b766372fae7806d2323ec1 '   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-flexion\/#Quest-ce_quun_essai_de_flexion\" >Qu\u2019est-ce qu\u2019un essai de flexion ?<\/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-flexion\/#Comment_effectuer_un_essai_de_flexion\" >Comment effectuer un essai de flexion ?<\/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-flexion\/#Quel_est_lobjectif_de_lessai_de_flexion\" >Quel est l\u2019objectif de l\u2019essai de flexion ?<\/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-flexion\/#Types_dessais_de_flexion\" >Types d\u2019essais de flexion<\/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-flexion\/#Les_normes_les_plus_courantes_en_matiere_dessais_de_flexion\" >Les normes les plus courantes en mati\u00e8re d\u2019essais de flexion<\/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-flexion\/#Machines_dessai_de_flexion\" >Machines d\u2019essai de flexion<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<\/div><\/section><\/p><\/div><div  class='flex_column av-rpbi5ee-3c0c1525494954076666d94b55dd5d1a av_one_fifth flex_column_div  '     ><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6cetajpy-12a74a66ceb915dd0e0e5a8391e6e45c\">\n.avia-section.av-6cetajpy-12a74a66ceb915dd0e0e5a8391e6e45c{\nbackground-color:#f7f7f7;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_11'  class='avia-section av-6cetajpy-12a74a66ceb915dd0e0e5a8391e6e45c 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-107909'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-66g3jst2-31970ed085e5bba4912d1986d1537461 av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-63i7dady-3ee9a68deef4bda0c7a4a60ab3236165 av_three_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-losb736l-4925e31ab6d58d7a03b31c9b90cdebdd\">\n#top .av-special-heading.av-losb736l-4925e31ab6d58d7a03b31c9b90cdebdd{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-losb736l-4925e31ab6d58d7a03b31c9b90cdebdd .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-losb736l-4925e31ab6d58d7a03b31c9b90cdebdd .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-losb736l-4925e31ab6d58d7a03b31c9b90cdebdd av-special-heading-h2'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Comment_effectuer_un_essai_de_flexion\"><\/span>Comment effectuer un essai de flexion ?<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-5z15m5hy-c1579405fdb35df51b50fcd3a01648bc\">\n#top .av_textblock_section.av-5z15m5hy-c1579405fdb35df51b50fcd3a01648bc .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-5z15m5hy-c1579405fdb35df51b50fcd3a01648bc .avia_textblock{\nfont-size:18px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-5z15m5hy-c1579405fdb35df51b50fcd3a01648bc '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Pour r\u00e9aliser correctement un essai de flexion, <strong>plusieurs \u00e9tapes<\/strong> doivent \u00eatre suivies, la premi\u00e8re \u00e9tant la <strong>pr\u00e9paration m\u00e9ticuleuse de l&rsquo;\u00e9chantillon<\/strong>. Il s&rsquo;agit de d\u00e9couper un \u00e9chantillon aux dimensions sp\u00e9cifi\u00e9es, en veillant \u00e0 ce qu&rsquo;il repr\u00e9sente fid\u00e8lement les caract\u00e9ristiques du mat\u00e9riau.<\/p>\n<p>Une fois l&rsquo;\u00e9chantillon pr\u00eat, la <strong>phase d&rsquo;installation<\/strong> suit, au cours de laquelle l&rsquo;\u00e9chantillon est plac\u00e9 strat\u00e9giquement sur deux enclumes ou mandrins de support afin d&rsquo;assurer un alignement correct.<\/p>\n<p>Ensuite, la <strong>phase de chargement<\/strong> commence, en appliquant progressivement une force \u00e0 une r\u00e9gion d\u00e9sign\u00e9e de l&rsquo;\u00e9chantillon, induisant une flexion. Au cours de ce processus, il est essentiel d&rsquo;observer attentivement le mat\u00e9riau et de surveiller tout signe de d\u00e9formation ou de fracture.<\/p>\n<p>Au fur et \u00e0 mesure que l&rsquo;essai progresse, l&rsquo;<strong>enregistrement des r\u00e9sultats devient imp\u00e9ratif<\/strong> ; noter la force appliqu\u00e9e au point de d\u00e9formation ou de fracture est essentiel pour une collecte compl\u00e8te des donn\u00e9es.<\/p>\n<p>\u00c0 la fin du test, une <strong>analyse approfondie des r\u00e9sultats<\/strong> est effectu\u00e9e, \u00e9valuant des facteurs tels que le rayon de courbure et l&rsquo;\u00e9paisseur du mat\u00e9riau afin de d\u00e9terminer l&rsquo;ad\u00e9quation du mat\u00e9riau \u00e0 l&rsquo;application pr\u00e9vue. Cette approche syst\u00e9matique garantit une \u00e9valuation compl\u00e8te de la ductilit\u00e9 et de la r\u00e9sistance du mat\u00e9riau par le biais de la proc\u00e9dure d&rsquo;essai de flexion.<\/p>\n<div id=\"malwarebytes-root\"><\/div>\n<div id=\"malwarebytes-root\"><\/div>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-5uhwod5i-d6cc583b6578e0c4eeef2faf70e8f187-wrap avia-button-left '><a href='https:\/\/step-lab.com\/dynamic-and-fatigue-test-systems\/'  class='avia-button av-5uhwod5i-d6cc583b6578e0c4eeef2faf70e8f187 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 pliage\"><span class='avia_iconbox_title' >Cliquez ici pour voir nos machines d\u2019essai de pliage<\/span><\/a><\/div><\/p><\/div><div  class='flex_column av-5qaavqom-c874de0f72858556cc9ad58aeebce1ee 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-5lytronq-7902364c491fcff9bf3eac699b30f2ee\">\n.avia-section.av-5lytronq-7902364c491fcff9bf3eac699b30f2ee{\nbackground-color:ffffff;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_12'  class='avia-section av-5lytronq-7902364c491fcff9bf3eac699b30f2ee 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-107909'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-5eow8dna-afbd5047513430cadb0e8d9f4848d09c av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-5b14vx3q-ad71c9d52a4daf1835be4dc74abb9c77 av_three_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-losb7fwf-88499fe7aaa6b067540a7a43d0bdd57f\">\n#top .av-special-heading.av-losb7fwf-88499fe7aaa6b067540a7a43d0bdd57f{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-losb7fwf-88499fe7aaa6b067540a7a43d0bdd57f .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-losb7fwf-88499fe7aaa6b067540a7a43d0bdd57f .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-losb7fwf-88499fe7aaa6b067540a7a43d0bdd57f av-special-heading-h2'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Quel_est_lobjectif_de_lessai_de_flexion\"><\/span>Quel est l\u2019objectif de l\u2019essai de flexion ?<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-56ongf6e-d9e381bb01c738bf764b7408edac29e3\">\n#top .av_textblock_section.av-56ongf6e-d9e381bb01c738bf764b7408edac29e3 .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-56ongf6e-d9e381bb01c738bf764b7408edac29e3 .avia_textblock{\nfont-size:20px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-56ongf6e-d9e381bb01c738bf764b7408edac29e3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>L&rsquo;objectif des essais de flexion r\u00e9side dans leur capacit\u00e9 \u00e0 <strong>\u00e9valuer la flexibilit\u00e9 et la durabilit\u00e9 des mat\u00e9riaux<\/strong>, en particulier des m\u00e9taux. Cet essai m\u00e9canique est essentiel pour d\u00e9terminer la ductilit\u00e9 d&rsquo;un mat\u00e9riau, c&rsquo;est-\u00e0-dire sa capacit\u00e9 \u00e0 se d\u00e9former sans se rompre. Largement utilis\u00e9s dans les processus de contr\u00f4le de la qualit\u00e9 au cours de la production, les essais de pliage permettent de s&rsquo;assurer que les mat\u00e9riaux sont conformes \u00e0 des normes et \u00e0 des crit\u00e8res de performance sp\u00e9cifiques.<\/p>\n<p>Dans le domaine du soudage, il joue un r\u00f4le crucial dans la qualification des proc\u00e9dures et l&rsquo;\u00e9valuation de la qualit\u00e9 des joints. En outre, les essais de flexion contribuent \u00e0 la recherche et au d\u00e9veloppement en aidant \u00e0 comprendre le comportement des mat\u00e9riaux et leur ad\u00e9quation \u00e0 diff\u00e9rentes applications. En identifiant les d\u00e9fauts tels que les fissures et les irr\u00e9gularit\u00e9s, cette m\u00e9thode d&rsquo;essai garantit l&rsquo;int\u00e9grit\u00e9 structurelle des mat\u00e9riaux, ce qui en fait une pratique essentielle dans plusieurs secteurs.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-50jgx6qe-d258a4dd1e23188209c99d2b71a1cc68 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-4yovy192-3c0c8dccff6f0f576b369ae3c7b4d1c9\">\n.avia-section.av-4yovy192-3c0c8dccff6f0f576b369ae3c7b4d1c9{\nbackground-color:#f7f7f7;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_13'  class='avia-section av-4yovy192-3c0c8dccff6f0f576b369ae3c7b4d1c9 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-107909'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-4qp2ncie-8b34c96427ac052e8bfd0a0a05532f97 av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-gomuxcm-63c9b6137e039a64410927bb8cdd5fe1 av_three_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-losb7psx-3dc97cc94f9bf824c7c4bbcdd8e73296\">\n#top .av-special-heading.av-losb7psx-3dc97cc94f9bf824c7c4bbcdd8e73296{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-losb7psx-3dc97cc94f9bf824c7c4bbcdd8e73296 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-losb7psx-3dc97cc94f9bf824c7c4bbcdd8e73296 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-losb7psx-3dc97cc94f9bf824c7c4bbcdd8e73296 av-special-heading-h2'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Types_dessais_de_flexion\"><\/span>Types d\u2019essais de flexion<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-losf3cdw-8c73ba6ae59d27dcc5d600de8b18ad6a\">\n#top .av_textblock_section.av-losf3cdw-8c73ba6ae59d27dcc5d600de8b18ad6a .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-losf3cdw-8c73ba6ae59d27dcc5d600de8b18ad6a .avia_textblock{\nfont-size:20px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-losf3cdw-8c73ba6ae59d27dcc5d600de8b18ad6a '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Il existe quatre essais de flexion les plus courants.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-4hojmct2-49b39de502b228bf82c2971057d9d91f av_one_fifth flex_column_div  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-losboc9a-0e002cb05728872c6eb82e4f60e20c87\">\n#top .hr.hr-invisible.av-losboc9a-0e002cb05728872c6eb82e4f60e20c87{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-losboc9a-0e002cb05728872c6eb82e4f60e20c87 hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-losbq0b9-4578c8bbaac6749703282ed8b01d8906\">\n.flex_column.av-losbq0b9-4578c8bbaac6749703282ed8b01d8906{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-losbq0b9-4578c8bbaac6749703282ed8b01d8906 av_one_fourth first flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-losbl1iy-ff1a91cb618e2ca9d8087310e1b9916c\">\n.iconbox.av-losbl1iy-ff1a91cb618e2ca9d8087310e1b9916c .iconbox_icon{\nbackground-color:#cf3339;\n}\n<\/style>\n<article  class='iconbox iconbox_top av-losbl1iy-ff1a91cb618e2ca9d8087310e1b9916c main_color'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Ic\u00f4ne : Guid\u00e9e\"><div class='iconbox_icon heading-color avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue8db' data-av_iconfont='entypo-fontello'  ><\/div><h5 class='iconbox_content_title '  itemprop=\"headline\" >Guid\u00e9e<\/h5><\/header><div class='iconbox_content_container '  itemprop=\"text\" ><p>Dans l&rsquo;essai de flexion guid\u00e9e, l&rsquo;\u00e9chantillon est plac\u00e9 horizontalement sur deux supports et une force est appliqu\u00e9e au sommet du point central, d\u00e9formant l&rsquo;\u00e9chantillon en forme de \u00ab\u00a0U\u00a0\u00bb. Cet essai \u00e9value la r\u00e9ponse du mat\u00e9riau aux contraintes appliqu\u00e9es.<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4db78bfa-cd99c54233f368901a3943e27dffe5c9\">\n.flex_column.av-4db78bfa-cd99c54233f368901a3943e27dffe5c9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4db78bfa-cd99c54233f368901a3943e27dffe5c9 av_one_fourth flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-losblbeq-bd14a2a62f5b199ca70a09412776d9a4\">\n.iconbox.av-losblbeq-bd14a2a62f5b199ca70a09412776d9a4 .iconbox_icon{\nbackground-color:#cf3339;\n}\n<\/style>\n<article  class='iconbox iconbox_top av-losblbeq-bd14a2a62f5b199ca70a09412776d9a4 main_color'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Ic\u00f4ne : Semi-guid\u00e9e\"><div class='iconbox_icon heading-color avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue8db' data-av_iconfont='entypo-fontello'  ><\/div><h5 class='iconbox_content_title '  itemprop=\"headline\" >Semi-guid\u00e9e<\/h5><\/header><div class='iconbox_content_container '  itemprop=\"text\" ><p>L&rsquo;essai de flexion semi-guid\u00e9e est un type d&rsquo;essai m\u00e9canique dans lequel le point central de l&rsquo;\u00e9chantillon est pli\u00e9 selon un angle ou un rayon interne sp\u00e9cifique, fournissant des informations sur la flexibilit\u00e9 du mat\u00e9riau dans des conditions contr\u00f4l\u00e9es.<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1iubj6e-685ea23b586407cdcebfef4a486b56af\">\n.flex_column.av-1iubj6e-685ea23b586407cdcebfef4a486b56af{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1iubj6e-685ea23b586407cdcebfef4a486b56af av_one_fourth flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-losblirp-c3cc80abd252cac626591280b9d7e709\">\n.iconbox.av-losblirp-c3cc80abd252cac626591280b9d7e709 .iconbox_icon{\nbackground-color:#cf3339;\n}\n<\/style>\n<article  class='iconbox iconbox_top av-losblirp-c3cc80abd252cac626591280b9d7e709 main_color'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Ic\u00f4ne : Flexion libre\"><div class='iconbox_icon heading-color avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue8db' data-av_iconfont='entypo-fontello'  ><\/div><h5 class='iconbox_content_title '  itemprop=\"headline\" >Flexion libre<\/h5><\/header><div class='iconbox_content_container '  itemprop=\"text\" ><p>L&rsquo;essai de flexion libre est un type d&rsquo;essai de flexion qui consiste \u00e0 pousser les extr\u00e9mit\u00e9s de l&rsquo;\u00e9chantillon l&rsquo;une contre l&rsquo;autre sans appliquer de force \u00e0 la flexion elle-m\u00eame. Ce test \u00e9value la capacit\u00e9 du mat\u00e9riau \u00e0 r\u00e9sister \u00e0 la d\u00e9formation sans support externe.<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-46p8zjkm-65d73e838dab1b568bec48be03b74d2f\">\n.flex_column.av-46p8zjkm-65d73e838dab1b568bec48be03b74d2f{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-46p8zjkm-65d73e838dab1b568bec48be03b74d2f av_one_fourth flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-losbluo9-b60d8b9614598d8e8d632ad3645805e1\">\n.iconbox.av-losbluo9-b60d8b9614598d8e8d632ad3645805e1 .iconbox_icon{\nbackground-color:#cf3339;\n}\n<\/style>\n<article  class='iconbox iconbox_top av-losbluo9-b60d8b9614598d8e8d632ad3645805e1 main_color'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Ic\u00f4ne : R\u00e9sistance \u00e0 la rupture\"><div class='iconbox_icon heading-color avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue8db' data-av_iconfont='entypo-fontello'  ><\/div><h5 class='iconbox_content_title '  itemprop=\"headline\" >R\u00e9sistance \u00e0 la rupture<\/h5><\/header><div class='iconbox_content_container '  itemprop=\"text\" ><p>Un essai courant de t\u00e9nacit\u00e9 \u00e0 la rupture, tel que prescrit par l&rsquo;ASTM E399, implique une fissure initiale pr\u00e9contrainte sur la face inf\u00e9rieure du point m\u00e9dian. L&rsquo;\u00e9chantillon est plac\u00e9 dans un dispositif de flexion \u00e0 trois points, appliquant une force oppos\u00e9e \u00e0 la rupture, afin de mesurer la r\u00e9silience du mat\u00e9riau.<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><\/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-42f6hbyu-4531c8188a4af429fc0710169ef595fd\">\n.avia-section.av-42f6hbyu-4531c8188a4af429fc0710169ef595fd{\nbackground-color:#ffffff;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_14'  class='avia-section av-42f6hbyu-4531c8188a4af429fc0710169ef595fd 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-107909'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-3wv9ljh2-e485f5cd4f7e4a5a6885df1fdf18f67d av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-3qnpbvx2-f94ef4dfa8ea2d65c8f11ee4a90770fe av_three_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-losb89ot-84c84086bfa0ee985af4824a8ed20a96\">\n#top .av-special-heading.av-losb89ot-84c84086bfa0ee985af4824a8ed20a96{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-losb89ot-84c84086bfa0ee985af4824a8ed20a96 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-losb89ot-84c84086bfa0ee985af4824a8ed20a96 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-losb89ot-84c84086bfa0ee985af4824a8ed20a96 av-special-heading-h2'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Les_normes_les_plus_courantes_en_matiere_dessais_de_flexion\"><\/span>Les normes les plus courantes en mati\u00e8re d\u2019essais de flexion<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-3lqfiil2-802d25ad89ab2a961ec77dbb2bed47cc\">\n#top .av_textblock_section.av-3lqfiil2-802d25ad89ab2a961ec77dbb2bed47cc .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-3lqfiil2-802d25ad89ab2a961ec77dbb2bed47cc '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ul>\n<li>ASTM C1161 &#8211; \u00c9quipement de test de flexion des c\u00e9ramiques<\/li>\n<li>ASTM E855 &#8211; Essai de pliage des mat\u00e9riaux m\u00e9talliques plats pour les applications de ressorts<\/li>\n<li>ASTM F1264 &#8211; \u00c9quipement de test de fatigue en torsion et en flexion pour les dispositifs de fixation intram\u00e9dullaire<\/li>\n<li>ASTM F2193 &#8211; Fatigue Bending Surgical Fixation Spinal Skeletal Test Equipment (\u00c9quipement de test pour la fixation chirurgicale de la colonne vert\u00e9brale et du squelette)<\/li>\n<li>ASTM F383 &#8211; Essai statique de flexion et de torsion des tiges intram\u00e9dullaires<\/li>\n<li>ASTM F384 &#8211; Bending Fatigue Orthopedic Fixation Devices Test Equipment (\u00e9quipement de test des dispositifs de fixation orthop\u00e9dique)<\/li>\n<li>ASTM F564 &#8211; \u00c9quipement de test de flexion et de fatigue des agrafes osseuses<\/li>\n<li>ISO 7799 &#8211; Essai de pliage invers\u00e9 sur t\u00f4les et bandes m\u00e9talliques<\/li>\n<li>ISO 8491 &#8211; EN M\u00e9thode d&rsquo;essai de pliage des tubes m\u00e9talliques<\/li>\n<li>ISO 10334 &#8211; \u00c9quipement de test de tension, de flexion et de torsion pour fils de suture<\/li>\n<li>ISO 1288 &#8211; R\u00e9sistance \u00e0 la flexion du verre<\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-3i1tsy6u-93f93212c8a6e74ece4eb5d8fbe331e2 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-3djf89p2-42df109071b5374a2141924ae885fd0f\">\n.avia-section.av-3djf89p2-42df109071b5374a2141924ae885fd0f{\nbackground-color:#f7f7f7;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_15'  class='avia-section av-3djf89p2-42df109071b5374a2141924ae885fd0f 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-107909'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-3b5tkmja-464cbdd51e61916ef21bfbfd33659b5b av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-36dceymu-4c9c85644851d938641ad4fa7e909a02 av_three_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-losb8etb-270623f4f491e6d40ac870f34eeb56c8\">\n#top .av-special-heading.av-losb8etb-270623f4f491e6d40ac870f34eeb56c8{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-losb8etb-270623f4f491e6d40ac870f34eeb56c8 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-losb8etb-270623f4f491e6d40ac870f34eeb56c8 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-losb8etb-270623f4f491e6d40ac870f34eeb56c8 av-special-heading-h2'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"ez-toc-section\" id=\"Machines_dessai_de_flexion\"><\/span>Machines d\u2019essai de flexion<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-aviy4ie-8b9d6daab54ec12a52c67e03c2ebdf8d\">\n#top .hr.hr-invisible.av-aviy4ie-8b9d6daab54ec12a52c67e03c2ebdf8d{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-aviy4ie-8b9d6daab54ec12a52c67e03c2ebdf8d hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div><div  class='flex_column av-2xdg0fx2-12f27d569e145ddd4d1e0f37e0b3758c av_one_fifth flex_column_div  '     ><\/div><div  class='flex_column av-2peb4iza-850afa2a0ccd534fbded3bc3a3227941 av_one_fourth first flex_column_div  '     ><\/div><div  class='flex_column av-2oaqe8d2-d9abeac5bbbf2392b56371d5406e9a89 av_one_fourth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2hz4ut7a-7b06aec2178ec38b701158e5f502b6e9\">\n.avia-image-container.av-2hz4ut7a-7b06aec2178ec38b701158e5f502b6e9 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itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong>S\u00c9RIE EA<\/strong><\/p>\n<p style=\"text-align: center;\">Actionneurs \u00e9lectrom\u00e9caniques<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-27lsa7py-5377de1c5b744066c823e1de8da54f0c-wrap avia-button-center '><a href='https:\/\/step-lab.com\/systems-based-on-electromechanical-actuators\/'  class='avia-button av-27lsa7py-5377de1c5b744066c823e1de8da54f0c 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-22fcmp92-4f421d6558f524b489f4965ed3115feb av_one_fourth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" 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