{"id":30571,"date":"2024-12-16T16:29:24","date_gmt":"2024-12-16T08:29:24","guid":{"rendered":"https:\/\/www.ray-tron.com\/?p=30571"},"modified":"2024-12-16T16:29:24","modified_gmt":"2024-12-16T08:29:24","slug":"clc0082","status":"publish","type":"post","link":"https:\/\/www.ray-tron.com\/en\/clc0082\/","title":{"rendered":"Oxidation problem of copper clad aluminum wire, how to prevent oxidation of copper clad aluminum strip"},"content":{"rendered":"<p>The oxidation problem of copper-clad aluminum wire is mainly concentrated on the surface of the copper layer and the aluminum layer, because oxidation can lead to reduced conductivity, poor surface and other quality problems. In order to prevent the oxidation of copper-clad aluminum wire, some effective protective measures need to be taken during production and storage. The following are some common methods to prevent the oxidation of copper-clad aluminum wire:<\/p>\n<h3><strong>1. Surface treatment<\/strong><\/h3>\n<ul>\n<li><strong>Aluminum core surface cleaning<\/strong>:\n<ul>\n<li>In the production process of copper clad aluminum wire, the oxide layer on the surface of the aluminum core must be completely removed. Common methods include chemical polishing, mechanical polishing or pickling (such as sulfuric acid or hydrofluoric acid cleaning). This can effectively remove the aluminum oxide layer and ensure that the copper layer can form a good metallurgical bond with the aluminum core.<\/li>\n<li>If there is an oxide film on the surface of the aluminum core, the copper coating cannot bond well with the aluminum and is prone to peeling or partial detachment during subsequent use.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Copper surface treatment<\/strong>:\n<ul>\n<li>The copper layer of copper clad aluminum wire should be avoided from being exposed to air as much as possible during the production process to reduce the possibility of oxidation. If the copper clad aluminum wire is exposed to humid air for a long time, the copper layer is prone to oxidation, causing surface discoloration, which in turn affects the conductivity.<\/li>\n<li>The copper layer can be protected from oxidation by applying a protective film (such as a transparent polymer coating) or by using an atmosphere protection (such as nitrogen or inert gas protection) for production.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><strong>2. Control the production environment<\/strong><\/h3>\n<ul>\n<li><strong>Low oxygen and low humidity environment<\/strong>:\n<ul>\n<li>During the production process, the humidity of the environment should be kept low to reduce the effect of moisture in the air on the oxidation of the copper-clad aluminum wire. The surface of the copper-clad aluminum wire can be protected by using dry gas (such as nitrogen).<\/li>\n<li>Temperature and humidity control equipment can help maintain appropriate environmental conditions during manufacturing and storage, protecting copper and aluminum surfaces from moisture and oxygen in the air.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Controlling oxygen exposure<\/strong>:\n<ul>\n<li>During the manufacturing and processing of copper clad aluminum wire, try to minimize the time it is exposed to the air. For example, during the drawing or rolling process, inert gases such as nitrogen can be used for inflating protection to reduce the contact of the copper layer with oxygen.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><strong>3. Packaging and storage<\/strong><\/h3>\n<ul>\n<li><strong>Anti-oxidation packaging<\/strong>:\n<ul>\n<li>Copper clad aluminum wire should be packaged in moisture-proof and oxidation-proof packaging materials, such as aluminum foil, plastic film or other airtight packaging materials.<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 wire<\/a>, ensure that the packaging is complete and tight to prevent moisture and oxygen from entering the packaging.<\/li>\n<li>For transportation in high humidity environments, desiccant can be used or nitrogen can be injected into the package to further prevent oxidation.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Storage conditions<\/strong>:\n<ul>\n<li>When storing, copper clad aluminum wire should be placed in a dry, ventilated, temperature-stable place, avoiding direct sunlight or humid environment.<\/li>\n<li>Regularly check the humidity and temperature of the storage environment to ensure they are within the appropriate range.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<figure id=\"attachment_30572\" aria-describedby=\"caption-attachment-30572\" style=\"width: 450px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-30572 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.ray-tron.com\/wp-content\/uploads\/2024\/12\/2024121616290987.jpg\" alt=\"\" width=\"450\" height=\"300\" \/><figcaption id=\"caption-attachment-30572\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-full wp-image-30572 lazyload\" src=\"https:\/\/www.ray-tron.com\/wp-content\/uploads\/2024\/12\/2024121616290987.jpg\" alt=\"\" width=\"450\" height=\"300\" srcset=\"https:\/\/www.ray-tron.com\/wp-content\/uploads\/2024\/12\/2024121616290987.jpg 450w, https:\/\/www.ray-tron.com\/wp-content\/uploads\/2024\/12\/2024121616290987-300x200.jpg 300w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/noscript> Copper clad aluminum strip<\/figcaption><\/figure>\n<h3><strong>4. Use anti-oxidation coating<\/strong><\/h3>\n<ul>\n<li><strong>Copper protective coating<\/strong>:\n<ul>\n<li>In order to prevent the copper layer from oxidizing, an anti-oxidation coating can be applied on the surface of the copper clad aluminum wire, such as an oily antioxidant, a polymer coating, etc. These coatings can effectively isolate moisture and oxygen in the air and prevent the copper layer from oxidizing.<\/li>\n<li>The coating material should have good adhesion, not affect the conductivity of the copper layer, and be able to withstand the friction and pressure during use.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Aluminum core anti-oxidation<\/strong>:\n<ul>\n<li>The aluminum core can also take anti-oxidation measures, such as coating a layer of film or surface treatment. Although the surface of aluminum is easy to oxidize, the impact of oxidation on performance can be reduced through reasonable surface treatment and protection measures.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><strong>5. Quick measures to prevent oxidation in the short term<\/strong><\/h3>\n<ul>\n<li><strong>Apply antioxidants<\/strong>:\n<ul>\n<li>During the production process or before storage, an antioxidant can be applied to the copper layer of the copper clad aluminum wire. The antioxidant can form a protective film on the copper surface, effectively preventing oxygen from directly contacting the copper layer.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Inert gas protection<\/strong>:\n<ul>\n<li>During the storage and transportation of copper-clad aluminum wire, the use of inert gas (such as nitrogen, argon, etc.) for protection can significantly reduce the possibility of oxidation. By filling the package with inert gas, oxygen in the air is isolated and the surface of the copper-clad aluminum wire is kept clean.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><strong>6. Refined process control<\/strong><\/h3>\n<ul>\n<li><strong>Welding temperature and pressure control<\/strong>:\n<ul>\n<li>In the production process of copper clad aluminum wire, ensure that the coating temperature and pressure of copper and aluminum are controlled within the appropriate range. Excessive temperature may cause excessive oxidation of copper and aluminum materials, resulting in a decrease in metal quality. The optimization of temperature and pressure can effectively avoid oxidation and improve the coating quality.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Cooling control<\/strong>:\n<ul>\n<li>During the rolling or drawing process of copper clad aluminum wire, ensure that the cooling process is smooth and uniform. Excessive temperature difference during cooling will cause surface cracks or bubbles, which will affect the anti-oxidation performance.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Summarize<\/strong><\/h3>\n<p>The anti-oxidation work of copper-clad aluminum wire needs to start from multiple links such as raw material processing, production process, environmental control, packaging and storage. By taking appropriate surface treatment, using anti-oxidation coating, controlling humidity and temperature, packaging sealing and using inert gas protection, the problem of copper-clad aluminum wire oxidation can be effectively reduced to ensure its long-term stable electrical performance and good surface quality.<\/p>","protected":false},"excerpt":{"rendered":"<p>The oxidation problem of copper clad aluminum wire is mainly concentrated on the surface of the copper layer and the aluminum layer, because oxidation can lead to reduced conductivity, poor surface quality and other quality problems. In order to prevent copper [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","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":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","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":[308,369],"class_list":["post-30571","post","type-post","status-publish","format-standard","hentry","category-blog","tag-308","tag-369"],"_links":{"self":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts\/30571","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=30571"}],"version-history":[{"count":0,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts\/30571\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/media?parent=30571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/categories?post=30571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/tags?post=30571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}