In view of severe pollution to environment caused by hexavalent hard chromium plating process in electroplating industry and for realization of cleaner production benefiting ecological environment , broad surface finishing technicians have been actively searching for substitute processes for hard chromium plating , among them electrodeposition of alloy coatings is an ideal substitute in the future 摘要為了實現(xiàn)清潔生產,改善生態(tài)環(huán)境,針對電鍍行業(yè)中嚴重污染環(huán)境的六價硬鉻電鍍工藝,廣大電鍍工作者致力于代硬鉻工藝的開發(fā),其中電沉積合金鍍層技術將是未來比較理想的代鉻工藝。