采用复合电镀技术,通过向普通电镀溶液中加入平均粒度约为10 nm的CeO2颗粒的方法在Ni基上制备了Ni-CeO2纳米复合涂层. XRD和SEM/EDAX分析结果表明,CeO2纳米颗粒均匀分布在Ni纳米晶中,由于纳米CeO2颗粒的加入,Ni-CeO2纳米复合涂层的择优取向由单Ni镀层的 (200)变为 (111),在镀层中起弥散强化作用的CeO2同时细化了基体Ni的晶粒尺寸,使得与单Ni镀层相比,Ni-CeO2纳米复合镀层表现出了更高的硬度、低的摩擦系数和更好的耐磨性能.
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