采用正交试验对Ni-ZrO2纳米微粒复合电镀中影响镀层硬度和耐蚀性等性能的电流密度、镀液温度、极间距、ZrO2纳米微粒质量浓度等因素进行了实验研究,并测定了镀层的形貌、结构、硬度、耐蚀性和结合强度.结果表明Ni基纳米微粒ZrO2复合电镀可以改变镀层的硬度及耐蚀性,且有较好的结合强度.实验研究条件下最优工艺条件为:θ为40℃、Jk为3 A/dm2、极间距12 cm、ρ(ZrO2)为12 g/L.在此工艺条件下可以获得质量良好的纳米微粒复合镀层.
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