{"id":33560,"date":"2025-04-14T16:59:23","date_gmt":"2025-04-14T08:59:23","guid":{"rendered":"https:\/\/www.ray-tron.com\/?p=33560"},"modified":"2025-04-14T17:03:08","modified_gmt":"2025-04-14T09:03:08","slug":"comprehensive-analysis-of-the-tensile-strength-of-copper-clad-aluminum-strip","status":"publish","type":"post","link":"https:\/\/www.ray-tron.com\/en\/comprehensive-analysis-of-the-tensile-strength-of-copper-clad-aluminum-strip\/","title":{"rendered":"Comprehensive Analysis of the Tensile Strength of Copper Clad Aluminum Strip"},"content":{"rendered":"<p><a href=\"https:\/\/www.ray-tron.com\/en\/tongbaolvdai\/\" data-internallinksmanager029f6b8e52c=\"178\" title=\"Copper clad aluminum strip manufacturer_Copper clad aluminum wire supplier_Copper clad aluminum strip wholesaler manufacturer\">Copper clad aluminum strip<\/a>The tensile strength of CCA tape is a key indicator of its mechanical properties and directly affects its<strong><a href=\"https:\/\/www.ray-tron.com\/en\/pvribbon\/\" data-internallinksmanager029f6b8e52c=\"43\" title=\"Photovoltaic welding ribbon\">Photovoltaic welding ribbon<\/a>, cables, electronic components<\/strong>The following is a comprehensive analysis of the tensile strength of copper clad aluminum strip:<\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\">\ud83e\udde9 1. Structural composition of copper-clad aluminum strip<\/h3><p>Copper clad aluminum strip is made of pure aluminum core (usually soft 1350 aluminum or alloy aluminum)<strong>and<\/strong>The surface copper layer (high-purity electrolytic copper) is composed of hot-rolled or cold-rolled composite technology. The physical and chemical combination between the two metals has a great influence on the tensile properties.<\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\">\ud83d\udccf 2. Reference for tensile strength parameters of copper-clad aluminum strip<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>project<\/th><th>Value range (depending on structure and process)<\/th><\/tr><\/thead><tbody><tr><td><strong>Soft tensile strength of copper layer<\/strong><\/td><td>About 200 MPa<\/td><\/tr><tr><td><strong>Aluminum core tensile strength<\/strong><\/td><td>About 80~130 MPa (depending on the type of aluminum)<\/td><\/tr><tr><td><strong>Copper clad aluminum overall tensile strength<\/strong><\/td><td>Generally <strong>120~180 MPa<\/strong><\/td><\/tr><tr><td><strong>Elongation (soft state)<\/strong><\/td><td>\u2265 10%<\/td><\/tr><\/tbody><\/table><\/figure><p>Note: A high copper layer ratio or the use of a hardened aluminum core can further increase the tensile strength.<\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\">\ud83d\udd0d 3. Key factors affecting tensile strength<\/h3><ol class=\"wp-block-list\"><li><strong>Bonding degree between copper layer and aluminum core<\/strong><ul class=\"wp-block-list\"><li>If the bond is not strong enough, it may peel or break during stretching or bending.<\/li>\n\n<li>Excellent metallurgical composite technology (such as<a href=\"https:\/\/www.ray-tron.com\/en\/\" data-internallinksmanager029f6b8e52c=\"19\" title=\"Ruichuang 2\">Raytron<\/a>The bimetallic rolling + heat treatment bonding technology used can ensure high bonding strength.<\/li><\/ul><\/li>\n\n<li><strong>Copper layer thickness<\/strong><ul class=\"wp-block-list\"><li>Thicker copper layers provide stronger surface support, but also increase cost and weight.<\/li>\n\n<li>Thin copper layers are prone to cracking under stress, affecting reliability.<\/li><\/ul><\/li>\n\n<li><strong>Aluminum core type<\/strong><ul class=\"wp-block-list\"><li>Soft aluminum (such as 1350) has good toughness but average strength, while alloy aluminum (such as 8000 series) has higher strength but slightly lower conductivity.<\/li><\/ul><\/li>\n\n<li><strong>Heat treatment status<\/strong><ul class=\"wp-block-list\"><li>The annealed (soft) state improves ductility and is suitable for photovoltaic ribbons;<\/li>\n\n<li>The cold hardened state can improve the tensile strength and is suitable for occasions with high mechanical loads such as cables.<\/li><\/ul><\/li><\/ol><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\">\u2705 4. Why is tensile strength important in the photovoltaic field?<\/h3><ul class=\"wp-block-list\"><li><strong>Automatic welding and pulling process<\/strong>: High-speed belt pulling has high requirements on the toughness and strength of the welding belt to prevent belt breakage.<\/li>\n\n<li><strong>Long-term thermal expansion and contraction of components<\/strong>: Good elongation and strength are required to avoid cracking of solder joints.<\/li>\n\n<li><strong>Tensile stress during transportation and installation<\/strong>: Insufficient strength can easily cause material damage.<\/li><\/ul><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\">\ud83c\udfed 5. Ruichuang\u2019s technological breakthrough in tensile strength<\/h3><ul class=\"wp-block-list\"><li>Using high-precision rolling technology, the copper layer and the aluminum core are tightly compounded to avoid delamination.<\/li>\n\n<li>Achieved copper layer thickness <strong>\u22650.05mm<\/strong> Uniform control improves surface strength.<\/li>\n\n<li>After compounding, multiple annealing treatments are performed to balance tensile strength and flexibility.<\/li>\n\n<li>Different performance specifications such as &quot;high strength&quot; and &quot;high ductility&quot; can be customized according to customer needs.<\/li><\/ul><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\">\ud83d\udccc Conclusion<\/h3><p>Although the tensile strength of copper-clad aluminum strip is lower than that of pure copper, it can be improved through composite structure optimization and process adjustment.<strong>It can fully meet the requirements of photovoltaic welding ribbon for tension, flexibility and durability<\/strong>Especially in<strong>Lightweight, cost-effective, structural alternative to copper<\/strong>There are unique advantages in this regard.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u94dc\u5305\u94dd\u5e26\uff08CCA\u5e26\uff09\u7684\u6297\u62c9\u5f3a\u5ea6\u662f\u5176\u673a\u68b0\u6027\u80fd\u4e2d\u7684\u5173\u952e\u6307\u6807\uff0c\u76f4\u63a5\u5f71\u54cd\u5176\u5728\u5149\u4f0f\u710a\u5e26\u3001\u7535\u7f06\u3001\u7535\u5b50\u5143\u4ef6\u7b49\u5e94\u7528\u4e2d\u7684\u53ef\u9760\u6027\u548c [&hellip;]<\/p>","protected":false},"author":1,"featured_media":9053,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[19],"tags":[],"class_list":["post-33560","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts\/33560","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/comments?post=33560"}],"version-history":[{"count":0,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts\/33560\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/media\/9053"}],"wp:attachment":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/media?parent=33560"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/categories?post=33560"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/tags?post=33560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}