利用放电等离子烧结技术在45钢基体上制备了Ni60_WC涂层,并分析和研究了Ni60_WC涂层的显微组织、界面结合情况以及耐磨性能.结果表明,Ni60_WC涂层主要由WC、FeW3C、C、Cr23C6、Ni3Fe等相组成;涂层平均硬度为968.5HV0.3,过渡层硬度在968.5～225.2HV0.3呈梯度分布,宽度约为0.25mm,涂层与基体属于冶金结合;在磨粒磨损条件下涂层体积磨损率为2.31×10-2cm3.
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