介绍了Ni-ZrO2复合镀工艺配方.通过镀液中ZrO2微粒的Zeta电位分析以及ZrO2微粒质量浓度对镀液pH的影响研究,探讨了微粒与镀液间的相互作用.分别通过纯镍镀层和Ni-ZrO2复合镀层的X-射线衍射实验及SEM形貌分析,研究了微粒与基质金属间的相互作用.结果表明,镀液中的pH随着ZrO2质量浓度的增加而增大;ZrO2微粒因吸附镀液中的H+而带正电,有益于其阴极扩散,从而增加镀层中粉体的含量;ZrO2微粒与基质金属间不是简单的机械混合,而是存在相互作用.而且,它的存在改变了基质金属镍的择优取向,也细化了金属镍的晶粒.
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