为了提高非晶态化学镀Ni-P镀层的综合性能,向Ni-P化学镀液中添加纳米ZrO2粒子及稀土Yb,获得Ni-P-Yb-ZrO2复合镀层.分析了镀液组分(纳米ZrO2、稀土Yb、表面活性剂)的添加量及操作工艺参数(pH值、搅拌速度)对Ni-P-Yb-ZrO2复合镀层中纳米ZrO2粒子含量的影响,并确定了最佳的镀液组分添加量和操作工艺参数.在该最佳条件下获得的Ni-P-Yb-ZrO2复合镀层,表面平整,纳米ZrO2粒子分散较为均匀,耐磨性能优异且结合力良好.
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