以尺寸不规则的Y1Cr18Ni9不锈钢片为基底,研究了在约2 mL镀液的条件下,化学镀镍工艺中主盐与还原剂浓度之比、pH、反应时间及反应温度对镀层沉积速率的影响.结果表明:当c(Ni2+):c(H2PO2-)=0.75:1,pH为6,温度为77℃,反应2 h的条件下,镀层沉积速率快,含镍量高于72%,且颗粒分布均匀、密实.
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