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公开(公告)号:US4762572A
公开(公告)日:1988-08-09
申请号:US921665
申请日:1986-10-20
CPC分类号: C23C22/182
摘要: A method for phosphate coating zinc or nickel-zinc alloy electrolytically coated metal surfaces, in which they are exposed to a phosphating solution containing zinc, manganese, and phosphate ions, and optionally cobalt and/or nitrate ions. The method is conducted at an elevated temperature for up to slightly more than 5 seconds.
摘要翻译: 一种用于磷酸盐涂覆锌或镍 - 锌合金电解涂覆的金属表面的方法,其中它们暴露于含有锌,锰和磷酸根离子的磷酸盐溶液以及任选的钴和/或硝酸根离子。 该方法在升高的温度下进行多达5秒钟。