为了提高AZ31镁合金的耐磨性能并扩大其在相关领域的应用,采用化学复合镀技术在AZ31镁合金基体上制备了Ni-P-TiN(纳米)复合镀层,同时制备Ni-P镀层进行比较.研究了复合镀层形貌、成分、硬度和耐磨性能与镀液中纳米"FiN颗粒含量的关系.结果表明,复合镀层和Ni-P镀层表面都是由胞状物排列而成;纳米TiN颗粒沉积于Ni-P-TiN(纳米)复合镀层中.当镀液中纳米TiN颗粒浓度为3g/L时,复合镀层硬度达最大值,为826HV,而Ni-P镀层只有508HV;同时复合镀层表现出优异的耐磨性能,在同等条件下其磨损失重只有Ni-P化学镀层的25%.
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