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zhuan li wen zhai xuan lu
Pages: 26
Year: Issue:  2
Journal: Electroplating & Finishing

Keyword:  专利文摘盖膜溶液温度电流密度电镀生产电镀液电解着色结合性能加速剂铬酸;
Abstract: <正> J 55——021503 在铝(合金)上形成黑色防护复盖膜铝(合金)制件的阳极化是在含H2SO4 200~250克/升和Al离子2—10克/升的溶液中,在下列条件下进行:溶液温度:20~25℃,直流电流密度:2~8安/分米2,阳极化时间:~10分钟,形成化学转换膜(厚度=9.6~16微米)。然后在制件上在含有硝酸、醋
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