摘要
在钢件上化学镀镍—磷合金保护层，提出了一个实用配方，施镀温度８５℃，ｐＨ值４．８～５．１。镀液承载量为１．２ｄｍ２／Ｌ时，连续使用５个周期，镀速仍可达７．２ｍｇ／ｈ·ｃｍ２。还原剂消耗量与还原的Ｎｉ比率为４．９～５．８：１。
Electroless Plating of Ni-P alloy on steel parts was practised with a formulation containing sodium hypophosphite as the reducing agent.The bath life excesses 5 turnovers with a reasonable Plating rate(≥7.2mg/h.cm2)at the temperature of 85℃,a load of 1.2dm2/L and the pH value of 4.8￣5.1.The ratio of reducing agent consumption to the reduced Ni is 4.9￣5.8:1.After the heat treatment at 380℃ for two hours,the deposit showed a microhardness more than Hv 900kg/mm2.
出处
《青岛化工学院学报（自然科学版）》
1994年第3期221-225,共5页
Journal of Qingdao Institute of Chemical Technology(Natural Science Edition)
关键词
化学镀
合金
工艺
镀合金
磷镍合金
eleetroless plating
Ni-P deposit
plating processes.
