{"id":122203,"date":"2026-02-12T11:48:44","date_gmt":"2026-02-12T10:48:44","guid":{"rendered":"https:\/\/step-lab.com\/?page_id=122203"},"modified":"2026-02-12T11:48:45","modified_gmt":"2026-02-12T10:48:45","slug":"astm-d790","status":"publish","type":"page","link":"https:\/\/step-lab.com\/de\/astm\/astm-d790\/","title":{"rendered":"ASTM D790"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-188zaf1-025aa8f0fc6b97c81b0d9509fbd8acf9\">\n.avia-section.av-188zaf1-025aa8f0fc6b97c81b0d9509fbd8acf9{\nbackground-repeat:no-repeat;\nbackground-image:url(https:\/\/step-lab.com\/wp-content\/uploads\/2023\/11\/background-for-standards.jpg);\nbackground-position:0% 0%;\nbackground-attachment:scroll;\n}\n.avia-section.av-188zaf1-025aa8f0fc6b97c81b0d9509fbd8acf9 .av-section-color-overlay{\nopacity:0.4;\nbackground-color:#0a0a0a;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-188zaf1-025aa8f0fc6b97c81b0d9509fbd8acf9 main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_section  avia-builder-el-first  avia-full-stretch avia-bg-style-scroll av-section-color-overlay-active av-minimum-height av-minimum-height-custom av-height-custom  container_wrap fullsize'  data-section-bg-repeat='stretch' data-av_minimum_height_px='400'><div class=\"av-section-color-overlay-wrap\"><div class=\"av-section-color-overlay\"><\/div><div class='container av-section-cont-open' style='height:400px'><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-122203'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lp13y1n9-c2454091260b0886799af383bb78c1f9\">\n#top .av_textblock_section.av-lp13y1n9-c2454091260b0886799af383bb78c1f9 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-lp13y1n9-c2454091260b0886799af383bb78c1f9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h1 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"ASTM_D790\"><\/span>ASTM D790<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mvr8u5-56fde4b1348f244539985c342761cdf4\">\n#top .hr.hr-invisible.av-mvr8u5-56fde4b1348f244539985c342761cdf4{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-mvr8u5-56fde4b1348f244539985c342761cdf4 hr-invisible  avia-builder-el-2  el_after_av_textblock  el_before_av_textblock '><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-lp13ybw2-4018c779dab806015ce08407f55f9a18\">\n#top .av_textblock_section.av-lp13ybw2-4018c779dab806015ce08407f55f9a18 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-lp13ybw2-4018c779dab806015ce08407f55f9a18 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"3-Punkt-Biegeversuch_an_Kunststoffen\"><\/span>3-Punkt-Biegeversuch an Kunststoffen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div><\/section>\n\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><\/div><div id='av_section_2'  class='avia-section av-1gnwkim1-b2b62b35a945794c60668458f569c99b main_color avia-section-default avia-no-border-styling  avia-builder-el-4  el_after_av_section  el_before_av_one_fifth  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-122203'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-4wj36t5-add2d18c09eff7a4dc20c0cb2fe72022 av_one_fifth  avia-builder-el-5  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-1868v455-7de514edace6091aa4d231a14d0f9d1e av_three_fifth  avia-builder-el-6  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-lhhg43h5-ebef57bd51dfec8c5acc56f55656cfb2\">\n#top .av_textblock_section.av-lhhg43h5-ebef57bd51dfec8c5acc56f55656cfb2 .avia_textblock{\nfont-size:18px;\n}\n<\/style>\n<section  class='av_textblock_section av-lhhg43h5-ebef57bd51dfec8c5acc56f55656cfb2 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>ASTM D790<\/strong> ist eine der am h\u00e4ufigsten verwendeten Pr\u00fcfnormen in der Kunststoffindustrie. Die Norm beschreibt das Verfahren zur Bestimmung der Biegeeigenschaften von unverst\u00e4rkten und verst\u00e4rkten Kunststoffen, einschlie\u00dflich hochmoduliger Verbundwerkstoffe und elektrischer Isolierstoffe.  <\/p>\n<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\/de\/astm\/astm-d790\/#ASTM_D790\" >ASTM D790<\/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\/de\/astm\/astm-d790\/#3-Punkt-Biegeversuch_an_Kunststoffen\" >3-Punkt-Biegeversuch an Kunststoffen<\/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\/de\/astm\/astm-d790\/#Was_ist_ASTM_D790\" >Was ist ASTM D790?<\/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\/de\/astm\/astm-d790\/#Was_misst_ASTM_D790\" >Was misst ASTM D790?<\/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\/de\/astm\/astm-d790\/#Warum_ist_ASTM_D790_wichtig\" >Warum ist ASTM D790 wichtig?<\/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\/de\/astm\/astm-d790\/#ASTM_D790_Pruefverfahren\" >ASTM D790: Pr\u00fcfverfahren<\/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\/de\/astm\/astm-d790\/#ASTM_D790_Wichtige_technische_Anforderungen\" >ASTM D790: Wichtige technische Anforderungen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/step-lab.com\/de\/astm\/astm-d790\/#ASTM_D790_Systemkonfigurationen\" >ASTM D790: Systemkonfigurationen<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/step-lab.com\/de\/astm\/astm-d790\/#Pruefmaschinen_fuer_ASTM_D790\" >Pr\u00fcfmaschinen f\u00fcr ASTM D790<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m2ofh62k-9fce7181e3728c1aec1750dc4087eccd\">\n#top .hr.hr-invisible.av-m2ofh62k-9fce7181e3728c1aec1750dc4087eccd{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-m2ofh62k-9fce7181e3728c1aec1750dc4087eccd hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m2ofgil9-9811d1617659c7f5e38472303adbd64b\">\n#top .av_textblock_section.av-m2ofgil9-9811d1617659c7f5e38472303adbd64b .avia_textblock{\nfont-size:18px;\n}\n<\/style>\n<section  class='av_textblock_section av-m2ofgil9-9811d1617659c7f5e38472303adbd64b '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><span class=\"ez-toc-section\" id=\"Was_ist_ASTM_D790\"><\/span>Was ist ASTM D790?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>ASTM D790<\/strong> ist die \u201e<strong>Standardpr\u00fcfmethode f\u00fcr Biegeeigenschaften von unverst\u00e4rkten und verst\u00e4rkten Kunststoffen und elektrischen Isoliermaterialien<\/strong>\u201d. Im Gegensatz zu einer Zugpr\u00fcfung, bei der ein Material auseinandergezogen wird, verwendet ASTM D790 ein Dreipunkt-Belastsystem, bei dem eine Biegekraft auf die Mitte einer an zwei Punkten abgest\u00fctzten Probe ausge\u00fcbt wird. <\/p>\n<p>Diese Methode wurde speziell f\u00fcr starre und halbstarre Materialien entwickelt, die innerhalb einer Dehnungsgrenze von 5 % nicht versagen (brechen).<\/p>\n<p>Obwohl sie oft mit <span style=\"text-decoration: underline;\"><a href=\"https:\/\/step-lab.com\/de\/iso\/iso-178\/\">ISO 178<\/a><\/span> verglichen wird, ist <strong>ASTM D790<\/strong> die prim\u00e4re Referenz f\u00fcr den nordamerikanischen Markt und unterscheidet sich geringf\u00fcgig in Bezug auf die Abmessungen der Proben, die Anforderungen an die St\u00fctzweite und die Pr\u00fcfgeschwindigkeiten.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Was_misst_ASTM_D790\"><\/span>Was misst ASTM D790?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Der Test erzeugt eine <strong>Last-Verformungs-Kurve<\/strong>, die zur Berechnung mehrerer kritischer mechanischer Werte verwendet wird: <\/p>\n<ul>\n<li><strong>Biegemodul<\/strong>: Ein Ma\u00df f\u00fcr die Steifigkeit eines Materials oder seine Widerstandsf\u00e4higkeit gegen Biegung. ASTM D790 bietet drei M\u00f6glichkeiten zur Berechnung dieses Moduls: Tangentenmodul (die anf\u00e4ngliche Steigung der Spannungs-Dehnungs-Kurve), Sekantenmodul (das Verh\u00e4ltnis von Spannung zu Dehnung an einem bestimmten Punkt) und Sehnenmodul (die Steigung zwischen zwei vordefinierten Punkten). <\/li>\n<li><strong>Biegefestigkeit<\/strong>: Die maximale Spannung, der das Material beim Biegen standhalten kann, bevor es bricht oder eine Dehnung von 5 % erreicht.<\/li>\n<li><strong>Biegespannung bei Bruch<\/strong>: Die Spannung, bei der das Pr\u00fcfst\u00fcck bricht.<\/li>\n<li><strong>Dehnung bei Streckgrenze<\/strong>: Das Ausma\u00df der Verformung, das an dem Punkt auftritt, an dem das Material beginnt, sich plastisch zu verformen.<\/li>\n<\/ul>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-147i6tx5-c041fd231a4e04ab6f1d0e907ce115b5 av_one_fifth flex_column_div  '     ><\/div><div  class='flex_column av-z3c3pbt-ae1a16c373e6a6893e8dce99f9d3514b av_one_third first flex_column_div  '     ><\/div><div  class='flex_column av-9wxflez-f834ec8c3d9ad059c5a6d181339f7de9 av_one_third flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5sez366-b1ef6c2fbaf4bd20b456509786e701b8\">\n.avia-image-container.av-5sez366-b1ef6c2fbaf4bd20b456509786e701b8 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-5sez366-b1ef6c2fbaf4bd20b456509786e701b8 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-5sez366-b1ef6c2fbaf4bd20b456509786e701b8 av-styling- avia-align-center'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-116317 avia-img-lazy-loading-not-116317 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2025\/03\/bend-test.jpg\" alt='' title='bend test'  height=\"469\" width=\"600\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2025\/03\/bend-test.jpg 600w, https:\/\/step-lab.com\/wp-content\/uploads\/2025\/03\/bend-test-300x235.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/div><\/div><\/div><\/div><div  class='flex_column av-8sk4hrf-9aada2ee23d60b4911cc81658e307ac3 av_one_third flex_column_div  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lucf3ozx-06e0d995eebd66bfb1278d71ee487db5\">\n#top .hr.hr-invisible.av-lucf3ozx-06e0d995eebd66bfb1278d71ee487db5{\nheight:100px;\n}\n<\/style>\n<div  class='hr av-lucf3ozx-06e0d995eebd66bfb1278d71ee487db5 hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-lscvj3t-abcc1142c9dc5d0601ff50e837ea95e1 av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-ej1d9h5-22343c69ea967d7bd661103c1d9a4d5d av_three_fifth flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lucf02lq-143a8bacb987dc31e2ded6478692bc23\">\n#top .av_textblock_section.av-lucf02lq-143a8bacb987dc31e2ded6478692bc23 .avia_textblock{\nfont-size:18px;\n}\n<\/style>\n<section  class='av_textblock_section av-lucf02lq-143a8bacb987dc31e2ded6478692bc23 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><span class=\"ez-toc-section\" id=\"Warum_ist_ASTM_D790_wichtig\"><\/span>Warum ist ASTM D790 wichtig?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Die Biegeeigenschaften sind f\u00fcr Ingenieure und Konstrukteure von entscheidender Bedeutung, da viele Kunststoffbauteile (wie Halterungen, Geh\u00e4use und Strukturplatten) w\u00e4hrend ihrer Lebensdauer eher Biegebelastungen als reiner Zugbelastung ausgesetzt sind.<\/p>\n<p><strong>Materialvergleich<\/strong>: Erm\u00f6glicht den direkten Vergleich verschiedener Polymermischungen oder Verst\u00e4rkungsgrade.<\/p>\n<p><strong>Qualit\u00e4tskontrolle<\/strong>: Hersteller verwenden sie, um die Konsistenz zwischen Produktionschargen sicherzustellen.<\/p>\n<p><strong>Konstruktionsvalidierung<\/strong>: Sie liefert die Daten, die erforderlich sind, um sicherzustellen, dass ein Bauteil unter der vorgesehenen Belastung nicht durchh\u00e4ngt oder bricht.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"ASTM_D790_Pruefverfahren\"><\/span>ASTM D790: Pr\u00fcfverfahren<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; text-align: left;\">\n<tr style=\"background-color: #a81010; color: white;\">\n<th style=\"padding: 12px; border: 1px solid #ddd;\">Verfahren<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd;\">Dehnungsrate<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd;\">Prim\u00e4re Anwendung<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd;\">Wichtigste Merkmale<\/th>\n<\/tr>\n<tbody>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\">Verfahren A<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">0.01 min\u207b\u00b9<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Standard- und spr\u00f6de Materialien<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Die Standardmethode f\u00fcr die meisten Kunststoffe. Ideal zur Messung des Elastizit\u00e4tsmoduls und der Biegefestigkeit. <\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd; font-weight: bold;\">Verfahren B<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">0.1 min\u207b\u00b9<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Duktile Materialien mit hoher Verformbarkeit<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Entwickelt f\u00fcr Materialien, die nicht fr\u00fchzeitig brechen. Eine h\u00f6here Geschwindigkeit wird verwendet, um die 5 %-Dehnungsgrenze oder den Versagenspunkt effizienter zu erreichen. <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/section><\/div><div  class='flex_column av-193ned5-e7e72b3a46a4befbdaab3d7db21a6830 av_one_fifth flex_column_div  '     ><\/div><div  class='flex_column av-vw2y52l-e92c1f1b491c53bd5e71048b0c0bccf9 av_two_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-nfkbncd-80a498b8fe5b1bd29119aaa590d5c34c av_one_fifth flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mli4jeo9-58869af6f2bbaa8ccb7875a09f5d4bd5\">\n.avia-image-container.av-mli4jeo9-58869af6f2bbaa8ccb7875a09f5d4bd5 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mli4jeo9-58869af6f2bbaa8ccb7875a09f5d4bd5 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mli4jeo9-58869af6f2bbaa8ccb7875a09f5d4bd5 av-styling- avia-align-center'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-111292 avia-img-lazy-loading-not-111292 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2024\/06\/astm-F382.jpg\" alt='' title='astm F382'  height=\"400\" width=\"400\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2024\/06\/astm-F382.jpg 400w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/06\/astm-F382-300x300.jpg 300w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/06\/astm-F382-80x80.jpg 80w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/06\/astm-F382-36x36.jpg 36w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/06\/astm-F382-180x180.jpg 180w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/div><\/div><\/div><\/div><div  class='flex_column av-m2ktpil-95b2e91750b4d1cb7fa596c06d9d515d av_two_fifth flex_column_div  '     ><\/div><div  class='flex_column av-gznziwd-802b0b8bd283ced6d00e7f9f6c7abe88 av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-dn4we3x-d4c5cd11afdcfe4d12663d684a6249d6 av_three_fifth flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mli45o2w-c2a8d7aa7b7892b1cc53ddc2b4dbaea4\">\n#top .av_textblock_section.av-mli45o2w-c2a8d7aa7b7892b1cc53ddc2b4dbaea4 .avia_textblock{\nfont-size:18px;\n}\n<\/style>\n<section  class='av_textblock_section av-mli45o2w-c2a8d7aa7b7892b1cc53ddc2b4dbaea4 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2><span class=\"ez-toc-section\" id=\"ASTM_D790_Wichtige_technische_Anforderungen\"><\/span>ASTM D790: Wichtige technische Anforderungen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Probenabmessungen<\/strong>: Bei Standardformmassen betr\u00e4gt die typische Probenabmessung 3,2 mm x 12,7 mm x 127 mm.<\/p>\n<p><strong>Spannweiten-Tiefen-Verh\u00e4ltnis<\/strong>: Der Abstand zwischen den St\u00fctzen (Spannweite) wird in der Regel auf das 16-fache der Dicke der Probe festgelegt (Verh\u00e4ltnis 16:1).<\/p>\n<p><strong>Durchbiegungsmessung<\/strong>: Zwar kann auch die Kreuzkopfbewegung verwendet werden, f\u00fcr hochgenaue Modulmessungen wird jedoch ein Deflektometer empfohlen, um die \u201eNachgiebigkeit\u201c (die winzigen Durchbiegungen der Maschine selbst) zu eliminieren.<\/p>\n<p><strong>Die 5 %-Grenze<\/strong>: Der Standard gilt im Allgemeinen nur bis zu einer \u00e4u\u00dferen Faserdehnung von 5 %. Wenn ein Material bis zu diesem Punkt nicht gebrochen ist, wird der Test in der Regel abgebrochen, da die mathematischen Formeln f\u00fcr die Spannung oberhalb dieses Wertes an Genauigkeit verlieren. <\/p>\n<h2><span class=\"ez-toc-section\" id=\"ASTM_D790_Systemkonfigurationen\"><\/span>ASTM D790: Systemkonfigurationen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Die Pr\u00fcfung nach ASTM D790 wird mit einer <strong>Pr\u00fcfmaschine der EA-Serie<\/strong> durchgef\u00fchrt, die sowohl als Tisch- als auch als Standmodell erh\u00e4ltlich ist und mit spezifischem Zubeh\u00f6r an die Anforderungen des Labors angepasst werden kann.<\/p>\n<p>Eine typische Konfiguration besteht aus einer Maschine der EA-Serie, die mit einer 3-Punkt-Biegevorrichtung ausgestattet ist. Je nachdem, wie die Belastung aufgezeichnet wird, wird die Konfiguration in zwei Kategorien unterteilt: Typ 1 und Typ 2. <\/p>\n<ul>\n<li><strong>Typ 1: Kreuzkopfverschiebung<\/strong><br \/>\nIn dieser Konfiguration wird die Dehnung anhand der Bewegung des Kreuzkopfes der Maschine berechnet. Dies ist die standardm\u00e4\u00dfige \u201eGrundkonfiguration\u201c, f\u00fcr die keine zus\u00e4tzlichen Sensoren erforderlich sind. <\/li>\n<li><strong>Typ 2: Integration eines Dehnungsmessers<\/strong><br \/>\nF\u00fcr eine h\u00f6here Genauigkeit oder spezifische Konformit\u00e4tsanforderungen kann die Pr\u00fcfmaschine mit einem <span style=\"text-decoration: underline;\"><a href=\"https:\/\/step-lab.com\/de\/langenanderungsaufnehmer\/\">Dehnungsmessger\u00e4t<\/a><\/span> (ber\u00fchrungslos oder aufsteckbar) ausgestattet werden.<\/li>\n<\/ul>\n<\/div><\/section><\/div><div  class='flex_column av-6mkxv3h-e77fd08a0fa61a8bee84d7352eb7f087 av_one_fifth flex_column_div  '     ><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_5'  class='main_color av_default_container_wrap 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-122203'><div class='entry-content-wrapper clearfix'><div  class='flex_column av-89325pu-92f0c2a29ff147e9c5e41a077efe7fd0 av_one_fifth first flex_column_div  '     ><\/div><\/p>\n<div  class='flex_column av-77i2ws9-91ef2cf69fb46ab319f538662d9dbbe3 av_one_fourth flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m2ofdk8x-3dc5289b6bfebf4d765dd7a58ad09660\">\n.avia-image-container.av-m2ofdk8x-3dc5289b6bfebf4d765dd7a58ad09660 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-m2ofdk8x-3dc5289b6bfebf4d765dd7a58ad09660 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-m2ofdk8x-3dc5289b6bfebf4d765dd7a58ad09660 av-styling- avia-align-center'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-96395 avia-img-lazy-loading-not-96395 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2023\/08\/dynamic-test-machine-1030x691.jpg\" alt='' title='dynamic-test-machine'  height=\"691\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2023\/08\/dynamic-test-machine-1030x691.jpg 1030w, https:\/\/step-lab.com\/wp-content\/uploads\/2023\/08\/dynamic-test-machine-300x201.jpg 300w, https:\/\/step-lab.com\/wp-content\/uploads\/2023\/08\/dynamic-test-machine-768x515.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2023\/08\/dynamic-test-machine-705x473.jpg 705w, https:\/\/step-lab.com\/wp-content\/uploads\/2023\/08\/dynamic-test-machine.jpg 1403w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/div><\/div><\/div><\/div>\n<div  class='flex_column av-742w0fm-87b9a329fd1a8df71e41f772c5953174 av_two_fifth flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lhhg4moj-400bb2a6d56af548c19d088ab89575b1\">\n#top .av_textblock_section.av-lhhg4moj-400bb2a6d56af548c19d088ab89575b1 .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-lhhg4moj-400bb2a6d56af548c19d088ab89575b1 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><span class=\"ez-toc-section\" id=\"Pruefmaschinen_fuer_ASTM_D790\"><\/span><span style=\"font-size: 20px; font-weight: 600;\">Pr\u00fcfmaschinen f\u00fcr ASTM D790<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>STEP Lab bietet leistungsstarke <strong>elektromechanische Pr\u00fcfmaschinen (EA-Serie)<\/strong>, die f\u00fcr ASTM D790 optimiert sind. Unsere Systeme gew\u00e4hrleisten eine pr\u00e4zise Lastanwendung und Datenerfassung und erf\u00fcllen die h\u00f6chsten Industriestandards. <\/p>\n<p>F\u00fcr weitere Informationen zu ASTM D790-Pr\u00fcfl\u00f6sungen kontaktieren Sie uns noch heute!<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-lucf7x5g-940eb5a108422ab5bd96c268e59831ba-wrap avia-button-left '><a href='https:\/\/step-lab.com\/de\/dynamische-und-ermuedungspruefmaschinen\/'  class='avia-button av-lucf7x5g-940eb5a108422ab5bd96c268e59831ba av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-left avia-color-theme-color'  target=\"_blank\"  rel=\"noopener noreferrer\"  aria-label=\"EA-Serie\"><span class='avia_button_icon avia_button_icon_left avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue832' data-av_iconfont='entypo-fontello' ><\/span><span class='avia_iconbox_title' >EA-Serie<\/span><\/a><\/div><\/p><\/div>\n<\/div><\/div><\/div><!-- close content main div 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