Aluminum and aluminum alloys are the most widely used non-ferrous metal materials,which play an important role in various industries of national economic construction.In order to overcome the limitations of corrosion resistance of aluminum and alloy surface,expand the application range and prolong the service life,it is necessary to take necessary protective measures.There are various surface treatment technologies for aluminum and aluminum alloys,in which chemical conversion technology is a very economical and efficient surface treatment technology.The application status and research progress of aluminum and aluminum alloy chromate chemical conversion technology and chromium-free chemical conversion technology are reviewed in detail in this paper.The research direction of chemical conversion technology of aluminum and aluminum alloy is prospected.
关键词
铝合金/耐腐蚀性/化学转化/表面处理/铬酸盐化学转化/无铬化学转化
Key words
aluminum alloys/corrosion resistance/chemical conversion/surface treatment/chromate chemical conversion/chromium-free chemical conversion
维普
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