{"id":107921,"date":"2024-03-19T14:53:50","date_gmt":"2024-03-19T13:53:50","guid":{"rendered":"https:\/\/step-lab.com\/?page_id=107921"},"modified":"2024-04-08T09:51:51","modified_gmt":"2024-04-08T07:51:51","slug":"essai-fatigue","status":"publish","type":"page","link":"https:\/\/step-lab.com\/fr\/essai-fatigue\/","title":{"rendered":"Essais de fatigue"},"content":{"rendered":"<div id='av_section_1'  class='avia-section av-m14tboe-9600c1dd6b598141c496afeef681c8e6 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-1-6a04c3d1849d9 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-1-6a04c3d1849d9__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_107921_929902060_96081501'><source src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/fatigue-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-107921'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l7580fy-258a4e7c021c28906374fdb1287d9499\">\n#top .hr.hr-invisible.av-l7580fy-258a4e7c021c28906374fdb1287d9499{\nheight:400px;\n}\n<\/style>\n<div  class='hr av-l7580fy-258a4e7c021c28906374fdb1287d9499 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-nmwgfq6-4bdd37f957273e28fddf2f13db8efaf4 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-107921'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-n32azlq-b1fd4050638306092b3a1f264a04a6e3 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-86t34u-cb5ba133570d8741f1c86c23dc9d6a3e 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-lnn8r1go-ed23ad4a94bd99aafa393c03bc20677f\">\n#top .av-special-heading.av-lnn8r1go-ed23ad4a94bd99aafa393c03bc20677f{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnn8r1go-ed23ad4a94bd99aafa393c03bc20677f .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnn8r1go-ed23ad4a94bd99aafa393c03bc20677f .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnn8r1go-ed23ad4a94bd99aafa393c03bc20677f av-special-heading-h1  avia-builder-el-5  el_before_av_textblock  avia-builder-el-first '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Qu\u2019est-ce qu\u2019un essai de fatigue ?<\/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-lnn8rh80-cd6a465d6e0ce957b7a328d6a4736dcc\">\n#top .av_textblock_section.av-lnn8rh80-cd6a465d6e0ce957b7a328d6a4736dcc .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-lnn8rh80-cd6a465d6e0ce957b7a328d6a4736dcc .avia_textblock{\nfont-size:18px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-lnn8rh80-cd6a465d6e0ce957b7a328d6a4736dcc '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Un essai de fatigue est une <strong>proc\u00e9dure contr\u00f4l\u00e9e et syst\u00e9matique utilis\u00e9e pour \u00e9valuer la capacit\u00e9 inh\u00e9rente d&rsquo;un mat\u00e9riau \u00e0 r\u00e9sister \u00e0 des conditions de charge cyclique.<\/strong> Ces contraintes r\u00e9p\u00e9t\u00e9es, souvent sous forme de tension, de compression, de flexion, de torsion ou de combinaisons de celles-ci, peuvent endommager le mat\u00e9riau, voire entra\u00eener sa rupture, bien que les charges appliqu\u00e9es soient inf\u00e9rieures \u00e0 la r\u00e9sistance ultime du mat\u00e9riau.<\/p>\n<p>Les r\u00e9sultats d&rsquo;un essai de fatigue fournissent des informations essentielles sur la durabilit\u00e9 et la s\u00e9curit\u00e9 des mat\u00e9riaux utilis\u00e9s dans des applications critiques, qu&rsquo;il s&rsquo;agisse de composants a\u00e9rospatiaux, de pi\u00e8ces automobiles ou d&rsquo;ing\u00e9nierie structurelle.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-luqnhez5-2476b56bbb67cfd31bfb345bb538700a\">\n#top .hr.hr-invisible.av-luqnhez5-2476b56bbb67cfd31bfb345bb538700a{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-luqnhez5-2476b56bbb67cfd31bfb345bb538700a 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-jnu677i-7c61f3ce7352297e35a69272db4612f3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" >\n<\/div><\/section><\/p><\/div><div  class='flex_column av-m5ynwbi-8cdb3651c4caad30393f4f82c05ba16e av_one_fifth  avia-builder-el-9  el_after_av_three_fifth  avia-builder-el-last  flex_column_div  '     ><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_3'  class='avia-section av-kpxz25a-f27d7d663c4eb9a4abae254b4de1c662 main_color avia-section-default avia-no-border-styling  avia-builder-el-10  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-107921'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-kkjgqta-250afd3bc090716315a8d1dda31304f5 av_one_fifth  avia-builder-el-11  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-k0wp2la-2638944aa801638419f353410c04305b av_three_fifth  avia-builder-el-12  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-lnn8rw2u-83a70a601ea200141943f2b630bf46ed\">\n#top .av-special-heading.av-lnn8rw2u-83a70a601ea200141943f2b630bf46ed{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnn8rw2u-83a70a601ea200141943f2b630bf46ed .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnn8rw2u-83a70a601ea200141943f2b630bf46ed .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnn8rw2u-83a70a601ea200141943f2b630bf46ed av-special-heading-h2  avia-builder-el-13  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Qu\u2019est-ce que le ph\u00e9nom\u00e8ne de la fatigue des mat\u00e9riaux ?<\/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-lnn8saxm-8acb27c2e8af7d923cecd287e9efd563\">\n#top .av_textblock_section.av-lnn8saxm-8acb27c2e8af7d923cecd287e9efd563 .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-lnn8saxm-8acb27c2e8af7d923cecd287e9efd563 .avia_textblock{\nfont-size:18px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-lnn8saxm-8acb27c2e8af7d923cecd287e9efd563 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Le ph\u00e9nom\u00e8ne de fatigue dans les mat\u00e9riaux est un <strong>processus de d\u00e9gradation m\u00e9canique caract\u00e9ris\u00e9 par des changements structurels progressifs, localis\u00e9s et permanents lorsqu&rsquo;ils sont soumis \u00e0 des contraintes et des d\u00e9formations fluctuantes.<\/strong> Ce ph\u00e9nom\u00e8ne, souvent observ\u00e9 dans les mat\u00e9riaux soumis \u00e0 des charges cycliques, conduit \u00e0 un point critique o\u00f9 le mat\u00e9riau peut d\u00e9velopper des fissures ou finalement se rompre, m\u00eame si les charges appliqu\u00e9es restent inf\u00e9rieures \u00e0 la r\u00e9sistance ultime du mat\u00e9riau.<\/p>\n<p>Au cours de la fatigue, les mat\u00e9riaux subissent une d\u00e9formation plastique, qui peut se manifester par une d\u00e9formation microplastique \u00e0 une \u00e9chelle minimale. Lorsque ces d\u00e9formations localis\u00e9es s&rsquo;accumulent sous l&rsquo;effet d&rsquo;une contrainte continue, elles peuvent entra\u00eener l&rsquo;apparition de dommages macroscopiques et finalement aboutir \u00e0 la rupture du mat\u00e9riau ou du composant.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-it1xxry-d58a88828c3f6582778b5c5c042e914c av_one_fifth  avia-builder-el-15  el_after_av_three_fifth  avia-builder-el-last  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-iaju666-8fcf085a62640cd1167f8692687c8398\">\n.avia-section.av-iaju666-8fcf085a62640cd1167f8692687c8398{\nbackground-color:#f7f7f7;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_4'  class='avia-section av-iaju666-8fcf085a62640cd1167f8692687c8398 main_color avia-section-default avia-no-border-styling  avia-builder-el-16  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-107921'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-htk5f9a-711cbcaea727b1d9fea5ff4456c209cd av_one_fifth  avia-builder-el-17  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-hdjvyu6-c06c19073e853725e8cbac61540ccd0c av_three_fifth  avia-builder-el-18  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-lnn8skpo-12be838d0a7b2ca5526e8256cdbd92b0\">\n#top .av-special-heading.av-lnn8skpo-12be838d0a7b2ca5526e8256cdbd92b0{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnn8skpo-12be838d0a7b2ca5526e8256cdbd92b0 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnn8skpo-12be838d0a7b2ca5526e8256cdbd92b0 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnn8skpo-12be838d0a7b2ca5526e8256cdbd92b0 av-special-heading-h2  avia-builder-el-19  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Comment se d\u00e9roule un essai de fatigue ?<\/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-lnn8sszf-35f8c48a627fdab2ce75415901bb0966\">\n#top .av_textblock_section.av-lnn8sszf-35f8c48a627fdab2ce75415901bb0966 .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-lnn8sszf-35f8c48a627fdab2ce75415901bb0966 .avia_textblock{\nfont-size:18px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-lnn8sszf-35f8c48a627fdab2ce75415901bb0966 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Un essai de fatigue consiste \u00e0 charger un sp\u00e9cimen dans une machine d&rsquo;essai de fatigue, \u00e0 lui appliquer la contrainte pr\u00e9d\u00e9termin\u00e9e, \u00e0 le d\u00e9charger \u00e0 une charge nulle ou dans la direction oppos\u00e9e, et \u00e0 r\u00e9p\u00e9ter ce cycle jusqu&rsquo;\u00e0 la fin de l&rsquo;essai. L&rsquo;essai peut \u00eatre men\u00e9 pendant un nombre pr\u00e9d\u00e9termin\u00e9 de cycles ou jusqu&rsquo;\u00e0 la rupture du sp\u00e9cimen, en fonction des param\u00e8tres sp\u00e9cifiques de l&rsquo;essai.<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-lnn8tnug-e0a7d55852cb5ab2b43f1c06fd175053-wrap avia-button-left  avia-builder-el-21  el_after_av_textblock  avia-builder-el-last '><a href='https:\/\/step-lab.com\/fr\/systemes-dessais-dynamiques-et-de-fatigue\/'  class='avia-button av-lnn8tnug-e0a7d55852cb5ab2b43f1c06fd175053 av-link-btn avia-icon_select-no avia-size-small avia-position-left avia-color-theme-color'   aria-label=\"Cliquez ici pour nos machines d\u2019essais de fatigue\"><span class='avia_iconbox_title' >Cliquez ici pour nos machines d\u2019essais de fatigue<\/span><\/a><\/div><\/p><\/div><div  class='flex_column av-gx1tnfi-19a4ecdac6c278654188368a49053ada av_one_fifth  avia-builder-el-22  el_after_av_three_fifth  avia-builder-el-last  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-ggh2vsu-2b091b0cee529aa6d1909d39b20742d1\">\n.avia-section.av-ggh2vsu-2b091b0cee529aa6d1909d39b20742d1{\nbackground-color:ffffff;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_5'  class='avia-section av-ggh2vsu-2b091b0cee529aa6d1909d39b20742d1 main_color avia-section-default avia-no-border-styling  avia-builder-el-23  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-107921'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-g0mw1r2-07b516494bb69d2dc8489c29716751b5 av_one_fifth  avia-builder-el-24  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-ffwpha6-62b66512a798185d61e6a20e79761872 av_three_fifth  avia-builder-el-25  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-lnn8uhhr-7d998610d5beb038dc0d871860dc2efd\">\n#top .av-special-heading.av-lnn8uhhr-7d998610d5beb038dc0d871860dc2efd{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnn8uhhr-7d998610d5beb038dc0d871860dc2efd .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnn8uhhr-7d998610d5beb038dc0d871860dc2efd .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnn8uhhr-7d998610d5beb038dc0d871860dc2efd av-special-heading-h2  avia-builder-el-26  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Quel est l\u2019objectif des essais de fatigue ?<\/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-lnn8uv24-7f506caaf978b374315ae27015f70e81\">\n#top .av_textblock_section.av-lnn8uv24-7f506caaf978b374315ae27015f70e81 .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-lnn8uv24-7f506caaf978b374315ae27015f70e81 .avia_textblock{\nfont-size:20px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-lnn8uv24-7f506caaf978b374315ae27015f70e81 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>L&rsquo;objectif principal d&rsquo;un essai de fatigue est g\u00e9n\u00e9ralement de <strong>d\u00e9terminer la dur\u00e9e de vie pr\u00e9vue d&rsquo;un mat\u00e9riau soumis \u00e0 des charges cycliques.<\/strong> Cependant, la r\u00e9sistance \u00e0 la fatigue et la r\u00e9sistance aux fissures sont \u00e9galement des param\u00e8tres importants. La dur\u00e9e de vie en fatigue correspond au nombre total de cycles qu&rsquo;un mat\u00e9riau peut supporter sous un m\u00eame r\u00e9gime de charge. Un essai de fatigue est \u00e9galement utile pour d\u00e9terminer la charge maximale qu&rsquo;un sp\u00e9cimen peut supporter pendant un nombre donn\u00e9 de cycles. Toutes ces caract\u00e9ristiques sont d&rsquo;une importance capitale dans les domaines o\u00f9 les mat\u00e9riaux sont soumis \u00e0 des forces fluctuantes plut\u00f4t que constantes.<\/p>\n<p>Des ch\u00e2ssis de voitures de Formule 1 aux implants dentaires, il est essentiel de comprendre et de tester la fatigue pour concevoir des composants expos\u00e9s \u00e0 des charges cycliques. Les essais de fatigue permettent d&rsquo;estimer la dur\u00e9e de vie et d&rsquo;\u00e9valuer la durabilit\u00e9 des composants en fonction des niveaux de contrainte appliqu\u00e9s, garantissant ainsi la fiabilit\u00e9 des mat\u00e9riaux dans diff\u00e9rentes applications.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-f3gki8u-1a78573438b82951deed0532b2504362 av_one_fifth  avia-builder-el-28  el_after_av_three_fifth  avia-builder-el-last  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-eb5649q-54082fe1f4149068c2b2bb895ed999da\">\n.avia-section.av-eb5649q-54082fe1f4149068c2b2bb895ed999da{\nbackground-color:#f7f7f7;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_6'  class='avia-section av-eb5649q-54082fe1f4149068c2b2bb895ed999da main_color avia-section-default avia-no-border-styling  avia-builder-el-29  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-107921'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-dulbi1q-fe0c640897012574b186e5f900f794c8 av_one_fifth  avia-builder-el-30  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-dpiputa-d2c7c6fc7e75b740e6b655de9e017ec0 av_three_fifth  avia-builder-el-31  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-lnn8vb28-017f1f621d8ada60d876213cc849210f\">\n#top .av-special-heading.av-lnn8vb28-017f1f621d8ada60d876213cc849210f{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnn8vb28-017f1f621d8ada60d876213cc849210f .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnn8vb28-017f1f621d8ada60d876213cc849210f .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnn8vb28-017f1f621d8ada60d876213cc849210f av-special-heading-h2  avia-builder-el-32  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Diff\u00e9rents types d\u2019essais de fatigue<\/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-lnn8vzlw-3d7863ba9abaf38863daf91392c421d7\">\n#top .av_textblock_section.av-lnn8vzlw-3d7863ba9abaf38863daf91392c421d7 .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-lnn8vzlw-3d7863ba9abaf38863daf91392c421d7 .avia_textblock{\nfont-size:20px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-lnn8vzlw-3d7863ba9abaf38863daf91392c421d7 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ul>\n<li>Essai de fatigue \u00e0 cycle \u00e9lev\u00e9 : Essai de fatigue standard effectu\u00e9 \u00e0 des fr\u00e9quences comprises entre 1 et 5 000 Hz environ.<\/li>\n<li>HCF (DIN 50100) High cycle fatigue test : essai de fatigue standard r\u00e9alis\u00e9 \u00e0 des fr\u00e9quences comprises entre 1 et 5000 Hz environ.<\/li>\n<li>Essais de fatigue par flexion sur des barres rotatives, DIN 50113.<\/li>\n<li>Essais de fatigue en traction-compression.<\/li>\n<li>\u00c9valuation de la r\u00e9sistance (r\u00e9sistance \u00e0 la fatigue) aux contraintes cycliques en utilisant une combinaison de tension, de d\u00e9charge et de compression.<\/li>\n<li>Essai de fatigue par giga-cycles : Essai de fatigue dans lequel environ 1 \u00d7 10^9 cycles ou plus sont appliqu\u00e9s dans un court laps de temps, \u00e0 l&rsquo;aide de vibrations ultrasoniques, etc.<\/li>\n<li>Machine d&rsquo;essai de propagation des fissures de fatigue : \u00e9value la vitesse de propagation des fissures sous contrainte cyclique.<\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-d9kpuhq-3597a6213985db2538e81fa4bde9b315 av_one_fifth  avia-builder-el-34  el_after_av_three_fifth  el_before_av_one_third  flex_column_div  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-19smnlq-fca9adfa1736eb2e8d4da943f68c1558\">\n.flex_column.av-19smnlq-fca9adfa1736eb2e8d4da943f68c1558{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-19smnlq-fca9adfa1736eb2e8d4da943f68c1558 av_one_third  avia-builder-el-35  el_after_av_one_fifth  el_before_av_one_third  first flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnn8wytj-edbe0f1147b796af5270b0f65480e0cd\">\n.iconbox.av-lnn8wytj-edbe0f1147b796af5270b0f65480e0cd .iconbox_icon{\nbackground-color:#cf3339;\n}\n<\/style>\n<article  class='iconbox iconbox_top av-lnn8wytj-edbe0f1147b796af5270b0f65480e0cd  avia-builder-el-36  avia-builder-el-no-sibling  main_color'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Ic\u00f4ne : LCF\"><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\" >LCF<\/h5><\/header><div class='iconbox_content_container '  itemprop=\"text\" ><p><a href=\"https:\/\/step-lab.com\/fr\/essai-fatigue\/essais-low-cycle-fatigue\/\"><u>Essais \u00e0 faible cycle<\/u><\/a><\/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-17oavum-eef2eb988796253cb822400a38b543b4\">\n.flex_column.av-17oavum-eef2eb988796253cb822400a38b543b4{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-17oavum-eef2eb988796253cb822400a38b543b4 av_one_third  avia-builder-el-37  el_after_av_one_third  el_before_av_one_third  flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnn8x7c2-96f7dd9632579af3476187fd12c0f9d9\">\n.iconbox.av-lnn8x7c2-96f7dd9632579af3476187fd12c0f9d9 .iconbox_icon{\nbackground-color:#cf3339;\n}\n<\/style>\n<article  class='iconbox iconbox_top av-lnn8x7c2-96f7dd9632579af3476187fd12c0f9d9  avia-builder-el-38  avia-builder-el-no-sibling  main_color'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Ic\u00f4ne : HCF\"><div class='iconbox_icon heading-color avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue8dc' data-av_iconfont='entypo-fontello'  ><\/div><h5 class='iconbox_content_title '  itemprop=\"headline\" >HCF<\/h5><\/header><div class='iconbox_content_container '  itemprop=\"text\" ><p><a href=\"https:\/\/step-lab.com\/fr\/essai-fatigue\/essai-fatigue-cycles-eleve\/\"><u>Essais \u00e0 haut cycle<\/u><\/a><\/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-bjj1w8u-2c80e1d2e473be85058612f2b9d7e113\">\n.flex_column.av-bjj1w8u-2c80e1d2e473be85058612f2b9d7e113{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-bjj1w8u-2c80e1d2e473be85058612f2b9d7e113 av_one_third  avia-builder-el-39  el_after_av_one_third  avia-builder-el-last  flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lnn8xf2z-4b1a52caa26a509f8010a7bbd66d0ffe\">\n.iconbox.av-lnn8xf2z-4b1a52caa26a509f8010a7bbd66d0ffe .iconbox_icon{\nbackground-color:#cf3339;\n}\n<\/style>\n<article  class='iconbox iconbox_top av-lnn8xf2z-4b1a52caa26a509f8010a7bbd66d0ffe  avia-builder-el-40  avia-builder-el-no-sibling  main_color'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Ic\u00f4ne : VHCF\"><div class='iconbox_icon heading-color avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue8da' data-av_iconfont='entypo-fontello'  ><\/div><h5 class='iconbox_content_title '  itemprop=\"headline\" >VHCF<\/h5><\/header><div class='iconbox_content_container '  itemprop=\"text\" ><p>Tests \u00e0 nombre de cycles tr\u00e8s \u00e9lev\u00e9<\/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-b5kbh1a-2e19ed96c4a7188b824eb9baa43177f8\">\n.avia-section.av-b5kbh1a-2e19ed96c4a7188b824eb9baa43177f8{\nbackground-color:#ffffff;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_7'  class='avia-section av-b5kbh1a-2e19ed96c4a7188b824eb9baa43177f8 main_color avia-section-default avia-no-border-styling  avia-builder-el-41  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-107921'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-aurpuhq-95ee74f318578635292d0acfbd22c553 av_one_fifth  avia-builder-el-42  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-ab9lcse-ac8447cf8cacd7f8c48ae3580f68e5f2 av_three_fifth  avia-builder-el-43  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-lnn8y3z3-64a4e07a17242ee885dd0aa50c087234\">\n#top .av-special-heading.av-lnn8y3z3-64a4e07a17242ee885dd0aa50c087234{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnn8y3z3-64a4e07a17242ee885dd0aa50c087234 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnn8y3z3-64a4e07a17242ee885dd0aa50c087234 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnn8y3z3-64a4e07a17242ee885dd0aa50c087234 av-special-heading-h2  avia-builder-el-44  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Les essais de fatigue les plus courants<\/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-lnn8zy3l-98bee1dc3c30ce15bc1b2a1449a4c5db\">\n#top .av_textblock_section.av-lnn8zy3l-98bee1dc3c30ce15bc1b2a1449a4c5db .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-lnn8zy3l-98bee1dc3c30ce15bc1b2a1449a4c5db '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ul>\n<li>ASTM D3479 &#8211; Fatigue en traction-tension des composites \u00e0 matrice polym\u00e8re<\/li>\n<li>ASTM D7774 &#8211; \u00c9quipement de test de fatigue en flexion pour les mat\u00e9riaux plastiques<\/li>\n<li>ASTM E2207 &#8211; \u00c9quipement d&rsquo;essai de fatigue par torsion axiale sur des mat\u00e9riaux tubulaires \u00e0 paroi mince<\/li>\n<li>ASTM E2368 &#8211; \u00c9quipement de test de fatigue thermom\u00e9canique<\/li>\n<li>ASTM E466 &#8211; Essai de fatigue \u00e0 amplitude constante et \u00e0 charge contr\u00f4l\u00e9e sur m\u00e9taux<\/li>\n<li>ASTM E467 &#8211; Syst\u00e8me d&rsquo;essai de fatigue axiale \u00e0 force constante &#8211; Machines d&rsquo;essai<\/li>\n<li>ASTM E606 &#8211; Essai de fatigue sous contrainte \u00e0 cycles \u00e9lev\u00e9s et faibles<\/li>\n<li>DIN EN 6072 &#8211; S\u00e9rie a\u00e9rospatiale &#8211; Mat\u00e9riaux m\u00e9talliques &#8211; M\u00e9thodes d&rsquo;essai &#8211; Essai de fatigue \u00e0 amplitude constante<\/li>\n<li>DIN 50100 &#8211; Essais de fatigue sous charge contr\u00f4l\u00e9e &#8211; Ex\u00e9cution et \u00e9valuation d&rsquo;essais cycliques avec amplitude de charge constante sur des \u00e9prouvettes et des composants m\u00e9talliques<\/li>\n<li>ISO 1099 &#8211; Mat\u00e9riaux m\u00e9talliques &#8211; Essais de fatigue &#8211; M\u00e9thode de la force axiale contr\u00f4l\u00e9e<\/li>\n<li>ISO 7206 &#8211; Essais des implants de hanche<\/li>\n<li>ISO 14801 &#8211; \u00c9quipement pour l&rsquo;essai de fatigue des implants dentaires<\/li>\n<li>ISO 15024 &#8211; Essai de r\u00e9sistance \u00e0 la rupture interlaminaire des mat\u00e9riaux composites plastiques &#8211; Machines d&rsquo;essai<\/li>\n<li>ISO 22675 &#8211; \u00c9quipement d&rsquo;essai de fatigue sur les protecteurs de la cheville et du pied<\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-9q0rx32-e6c7dac883a4e0b421402711064e8087 av_one_fifth  avia-builder-el-46  el_after_av_three_fifth  avia-builder-el-last  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-yeya8u-0df6151bace66d7c0e27da2e55c304ef\">\n.avia-section.av-yeya8u-0df6151bace66d7c0e27da2e55c304ef{\nbackground-color:#f7f7f7;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_8'  class='avia-section av-yeya8u-0df6151bace66d7c0e27da2e55c304ef main_color avia-section-default avia-no-border-styling  avia-builder-el-47  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-107921'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-8vql3a6-74b75acd980ca48819554d3a19e01d2f av_one_fifth  avia-builder-el-48  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-8e16f1a-84f4f2130858585bb3f5053cdace8771 av_three_fifth  avia-builder-el-49  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-lnn907se-5b2c93b1493ba1246de32304967be0d3\">\n#top .av-special-heading.av-lnn907se-5b2c93b1493ba1246de32304967be0d3{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lnn907se-5b2c93b1493ba1246de32304967be0d3 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lnn907se-5b2c93b1493ba1246de32304967be0d3 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lnn907se-5b2c93b1493ba1246de32304967be0d3 av-special-heading-h2  avia-builder-el-50  el_before_av_hr  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Machines d\u2019essais de fatigue<\/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-7vtflcu-ded867ad4ce9080295ced1c2c2175f20\">\n#top .hr.hr-invisible.av-7vtflcu-ded867ad4ce9080295ced1c2c2175f20{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-7vtflcu-ded867ad4ce9080295ced1c2c2175f20 hr-invisible  avia-builder-el-51  el_after_av_heading  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div><div  class='flex_column av-7ndunzy-0226fc4762b0148d2cdc402a2689f63a av_one_fifth  avia-builder-el-52  el_after_av_three_fifth  el_before_av_one_fifth  flex_column_div  '     ><\/div><div  class='flex_column av-7ccwyzi-e6ad9c549eb5563edc1ad75f03ff633e av_one_fifth  avia-builder-el-53  el_after_av_one_fifth  el_before_av_one_fifth  first flex_column_div  column-top-margin'     ><\/div><div  class='flex_column av-oibmvy-9238f42c4b7f1f6c124c22bfb9b5d250 av_one_fifth  avia-builder-el-54  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6d6m4fy-755e89e511432e3f4c8aa3127a4da86a\">\n.avia-image-container.av-6d6m4fy-755e89e511432e3f4c8aa3127a4da86a 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822w, https:\/\/step-lab.com\/wp-content\/uploads\/EA050-Statico-lato.3661-768x962.png 768w, https:\/\/step-lab.com\/wp-content\/uploads\/EA050-Statico-lato.3661-1226x1536.png 1226w, https:\/\/step-lab.com\/wp-content\/uploads\/EA050-Statico-lato.3661-1634x2048.png 1634w, https:\/\/step-lab.com\/wp-content\/uploads\/EA050-Statico-lato.3661-1197x1500.png 1197w, https:\/\/step-lab.com\/wp-content\/uploads\/EA050-Statico-lato.3661-563x705.png 563w, https:\/\/step-lab.com\/wp-content\/uploads\/EA050-Statico-lato.3661.png 1722w\" 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-lnn90ox0-ce231097d349c642e06d4465908fc89b\">\n#top .av_textblock_section.av-lnn90ox0-ce231097d349c642e06d4465908fc89b .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-lnn90ox0-ce231097d349c642e06d4465908fc89b '   itemscope=\"itemscope\" 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-lnn920gb-f23114c0efd6396152acd9d6e3d571fd-wrap avia-button-center  avia-builder-el-57  el_after_av_textblock  avia-builder-el-last '><a href='https:\/\/step-lab.com\/fr\/systemes-actionneurs-electromecaniques\/'  class='avia-button av-lnn920gb-f23114c0efd6396152acd9d6e3d571fd 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-5wk575q-dff9e4c7c0b80e3d6e1c4501c70f68f7 av_one_fifth  avia-builder-el-58  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div  column-top-margin'     ><p>\n<style 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class='avia_iconbox_title' >Brochure<\/span><\/a>\n<\/div><\/p><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Les essais de fatigue d\u00e9terminent le comportement et la durabilit\u00e9 du mat\u00e9riau dans un certain \u00e9tat d&rsquo;approvisionnement soumis \u00e0 des cycles de fatigue d\u00e9termin\u00e9s.<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-107921","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Essais de fatigue - STEP Lab<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment les essais de fatigue affectent les performances et la long\u00e9vit\u00e9 des mat\u00e9riaux soumis \u00e0 des cycles de 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