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為了在鋁合金壓鑄件表面獲得結合力良好的鍍鋅層,采用了先化學鍍鎳-磷合金,再進行電鍍鋅的工藝,獲得了結合力良好的鍍鋅層;采用低鉻軍綠色鈍化液,克服了常規(guī)五酸鈍化穩(wěn)定性差、維護難的缺點,得到了高質(zhì)量的軍綠色鈍化膜。
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