在Ti6Al4V合金微弧氧化膜表面制备Ni-P-ZrO2化学复合镀层,微弧氧化处理时间分别为15、30、60、90 min.采用扫描电镜/能谱仪、划痕试验、热震试验、显微硬度计和球盘式摩擦磨损试验机研究了微弧氧化膜结构对Ni-P-ZrO2化学复合镀层的结合性能与摩擦性能的影响.结果表明:随着微弧氧化时间的增加,复合镀层的结合性能显著提高,原因是微弧氧化膜的多孔性结构及其机械锁合效应.与Ti6Al4V合金相比,微弧氧化+化学复合镀处理后的试样硬度和耐磨性显著提高,Ti6Al4V合金表现为是严重的黏着磨损,而Ni-P-ZrO2复合镀层以磨砺磨损为主.
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