{"id":3175,"date":"2024-09-09T17:07:30","date_gmt":"2024-09-09T15:07:30","guid":{"rendered":"https:\/\/endolab.org\/?post_type=mt-corrosion-tests&#038;p=3175"},"modified":"2025-12-03T10:42:47","modified_gmt":"2025-12-03T09:42:47","slug":"astm-f1875","status":"publish","type":"mt-corrosion-tests","link":"https:\/\/endolab.org\/de\/mt-corrosion-tests\/astm-f1875\/","title":{"rendered":"ASTM F1875"},"content":{"rendered":"\n<p><strong>ASTM&nbsp;F1875:<\/strong>&nbsp;Standard Practice for Fretting Corrosion Testing of Modular Implant Interfaces: Hip Femoral Head-Bore and Cone Taper Interface<br><br>Two methods are part of this standard, a quantitative analysis (method I; long-term evaluation) and a qualitative assessment (method IIb; short-term evaluation).<br><br>Method I is used to determine the fretting corrosion behavior in the long-term. The interface surface damage and generation of corrosion products are determined through optical evaluation (micro- and macroscopic, SEM\/EDX) and particle and ion concentration analyses of the test solution after cyclic loading.<br><br>Method IIb is a short-term electrochemical evaluation (current measurement) to compare different designs and surface treatments. This requires extremely precise testing equipment and a well-shielded test environment.<\/p>\n\n\n\n<p>This standard defines the testing, analytical, and characterization methods for evaluating the fretting corrosion performance at the bore and cone interface of the head-stem junction in modular hip implants under cyclic loading in a corrosive environment.<\/p>\n\n\n\n<div style=\"height:49px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-uagb-faq uagb-faq__outer-wrap uagb-block-79dd6eac uagb-faq-icon-row-reverse uagb-faq-layout-accordion uagb-faq-expand-first-true uagb-faq-inactive-other-true uagb-faq__wrap uagb-buttons-layout-wrap uagb-faq-equal-height     \" data-faqtoggle=\"true\" role=\"tablist\"><script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"@id\":\"https:\\\/\\\/endolab.org\\\/de\\\/mt-corrosion-tests\\\/astm-f1875\\\/\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the difference between Method I and Method IIb under ASTM F1875?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Method I = long-term, cyclic loading with fluid analysis and surface characterization to quantify debris\\\/ions and damage.<br>Method IIb = short-term electrochemical (current measurement) screening under cyclic loading for comparative assessment (for design changes only).\"}},{\"@type\":\"Question\",\"name\":\"Which method under ASTM F1875 is needed for regulatory approval?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Typically, the long-term method I is expected for submissions. Method IIb is intended to compare design changes. Always confirm with your regulatory authority and submission strategy.\"}},{\"@type\":\"Question\",\"name\":\"When do I need ASTM F1875?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Whenever your THR design includes a modular femoral head\\u2013neck junction, and you need evidence on fretting\\\/fretting-corrosion at the taper interface. It\\u2019s also referenced within <a href=\\\"https:\\\/\\\/endolab.org\\\/hip-implants\\\/iso-21535\\\/\\\" data-type=\\\"hip-implants\\\" data-id=\\\"2815\\\">ISO 21535<\\\/a>\\u2019s normative set.\"}},{\"@type\":\"Question\",\"name\":\"What are typical observations for devices tested under Method I of ASTM F1875?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Corrosion, discoloration or debris on the taper surfaces and dulling of machine lines as well as particle and ion release into the test fluid.\"}},{\"@type\":\"Question\",\"name\":\"What other tests are typically conducted in conjunction with ASTM F1875?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Post-Fatigue: Static Disassembly Test according to <a href=\\\"https:\\\/\\\/endolab.org\\\/hip-implants\\\/iso-7206-10-astm-f2345-pi-14\\\/\\\" data-type=\\\"hip-implants\\\" data-id=\\\"2560\\\">ISO 7206-10<\\\/a> or <a href=\\\"https:\\\/\\\/endolab.org\\\/hip-implants\\\/astm-f-2009\\\/\\\" data-type=\\\"hip-implants\\\" data-id=\\\"2564\\\">ASTM F2009<\\\/a> and particle analysis according to <a href=\\\"https:\\\/\\\/endolab.org\\\/particle-analysis\\\/test\\\/\\\" data-type=\\\"particle-analysis\\\" data-id=\\\"5695\\\">ASTM F1877<\\\/a> and <a href=\\\"https:\\\/\\\/endolab.org\\\/particle-analysis\\\/particle-analysis\\\/\\\" data-type=\\\"particle-analysis\\\" data-id=\\\"3356\\\">ASTM F561<\\\/a>\"}},{\"@type\":\"Question\",\"name\":\"Is there an acceptance criterion for ASTM F1875?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"There is no acceptance criterion defined in the standard. Predicate device testing under the same conditions is recommended.\"}}]}<\/script><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-b8b2902e \" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M224 416c-8.188 0-16.38-3.125-22.62-9.375l-192-192c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0L224 338.8l169.4-169.4c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-192 192C240.4 412.9 232.2 416 224 416z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M416 352c-8.188 0-16.38-3.125-22.62-9.375L224 173.3l-169.4 169.4c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25l192-192c12.5-12.5 32.75-12.5 45.25 0l192 192c12.5 12.5 12.5 32.75 0 45.25C432.4 348.9 424.2 352 416 352z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">What is the difference between Method I and Method IIb under ASTM F1875?<\/span><\/div><div class=\"uagb-faq-content\"><p>Method I = long-term, cyclic loading with fluid analysis and surface characterization to quantify debris\/ions and damage.<br>Method IIb = short-term electrochemical (current measurement) screening under cyclic loading for comparative assessment (for design changes only).<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-fab8c9a5 \" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M224 416c-8.188 0-16.38-3.125-22.62-9.375l-192-192c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0L224 338.8l169.4-169.4c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-192 192C240.4 412.9 232.2 416 224 416z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M416 352c-8.188 0-16.38-3.125-22.62-9.375L224 173.3l-169.4 169.4c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25l192-192c12.5-12.5 32.75-12.5 45.25 0l192 192c12.5 12.5 12.5 32.75 0 45.25C432.4 348.9 424.2 352 416 352z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">Which method under ASTM F1875 is needed for regulatory approval?<\/span><\/div><div class=\"uagb-faq-content\"><p>Typically, the long-term method I is expected for submissions. Method IIb is intended to compare design changes. Always confirm with your regulatory authority and submission strategy.<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-b1f8e777 \" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M224 416c-8.188 0-16.38-3.125-22.62-9.375l-192-192c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0L224 338.8l169.4-169.4c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-192 192C240.4 412.9 232.2 416 224 416z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M416 352c-8.188 0-16.38-3.125-22.62-9.375L224 173.3l-169.4 169.4c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25l192-192c12.5-12.5 32.75-12.5 45.25 0l192 192c12.5 12.5 12.5 32.75 0 45.25C432.4 348.9 424.2 352 416 352z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">When do I need ASTM F1875?<\/span><\/div><div class=\"uagb-faq-content\"><p>Whenever your THR design includes a modular femoral head\u2013neck junction, and you need evidence on fretting\/fretting-corrosion at the taper interface. It\u2019s also referenced within <a href=\"https:\/\/endolab.org\/hip-implants\/iso-21535\/\" data-type=\"hip-implants\" data-id=\"2815\">ISO 21535<\/a>\u2019s normative set.<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-222abba2 \" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M224 416c-8.188 0-16.38-3.125-22.62-9.375l-192-192c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0L224 338.8l169.4-169.4c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-192 192C240.4 412.9 232.2 416 224 416z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M416 352c-8.188 0-16.38-3.125-22.62-9.375L224 173.3l-169.4 169.4c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25l192-192c12.5-12.5 32.75-12.5 45.25 0l192 192c12.5 12.5 12.5 32.75 0 45.25C432.4 348.9 424.2 352 416 352z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">What are typical observations for devices tested under Method I of ASTM F1875?<\/span><\/div><div class=\"uagb-faq-content\"><p>Corrosion, discoloration or debris on the taper surfaces and dulling of machine lines as well as particle and ion release into the test fluid.<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-5e09c140 \" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M224 416c-8.188 0-16.38-3.125-22.62-9.375l-192-192c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0L224 338.8l169.4-169.4c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-192 192C240.4 412.9 232.2 416 224 416z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M416 352c-8.188 0-16.38-3.125-22.62-9.375L224 173.3l-169.4 169.4c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25l192-192c12.5-12.5 32.75-12.5 45.25 0l192 192c12.5 12.5 12.5 32.75 0 45.25C432.4 348.9 424.2 352 416 352z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">What other tests are typically conducted in conjunction with ASTM F1875?<\/span><\/div><div class=\"uagb-faq-content\"><p>Post-Fatigue: Static Disassembly Test according to <a href=\"https:\/\/endolab.org\/hip-implants\/iso-7206-10-astm-f2345-pi-14\/\" data-type=\"hip-implants\" data-id=\"2560\">ISO 7206-10<\/a> or <a href=\"https:\/\/endolab.org\/hip-implants\/astm-f-2009\/\" data-type=\"hip-implants\" data-id=\"2564\">ASTM F2009<\/a> and particle analysis according to <a href=\"https:\/\/endolab.org\/particle-analysis\/test\/\" data-type=\"particle-analysis\" data-id=\"5695\">ASTM F1877<\/a> and <a href=\"https:\/\/endolab.org\/particle-analysis\/particle-analysis\/\" data-type=\"particle-analysis\" data-id=\"3356\">ASTM F561<\/a><\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-dca2eb48 \" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M224 416c-8.188 0-16.38-3.125-22.62-9.375l-192-192c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0L224 338.8l169.4-169.4c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-192 192C240.4 412.9 232.2 416 224 416z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 448 512\"><path d=\"M416 352c-8.188 0-16.38-3.125-22.62-9.375L224 173.3l-169.4 169.4c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25l192-192c12.5-12.5 32.75-12.5 45.25 0l192 192c12.5 12.5 12.5 32.75 0 45.25C432.4 348.9 424.2 352 416 352z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">Is there an acceptance criterion for ASTM F1875?<\/span><\/div><div class=\"uagb-faq-content\"><p>There is no acceptance criterion defined in the standard. Predicate device testing under the same conditions is recommended.<\/p><\/div><\/div><\/div>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true,"_uag_custom_page_level_css":""},"class_list":["post-3175","mt-corrosion-tests","type-mt-corrosion-tests","status-publish","hentry"],"acf":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Simon Kaddick","author_link":"https:\/\/endolab.org\/de\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"ASTM&nbsp;F1875:&nbsp;Standard Practice for Fretting Corrosion Testing of Modular Implant Interfaces: Hip Femoral Head-Bore and Cone Taper Interface Two methods are part of this standard, a quantitative analysis (method I; long-term evaluation) and a qualitative assessment (method IIb; short-term evaluation). Method I is used to determine the fretting corrosion behavior in the long-term. The interface surface&hellip;","_links":{"self":[{"href":"https:\/\/endolab.org\/de\/wp-json\/wp\/v2\/mt-corrosion-tests\/3175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/endolab.org\/de\/wp-json\/wp\/v2\/mt-corrosion-tests"}],"about":[{"href":"https:\/\/endolab.org\/de\/wp-json\/wp\/v2\/types\/mt-corrosion-tests"}],"wp:attachment":[{"href":"https:\/\/endolab.org\/de\/wp-json\/wp\/v2\/media?parent=3175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}