用电渣熔铸的方法成功制备了WC颗粒增强轴承钢复合材料 ,并对其磨损性能进行了研究。试验结果表明 :WC相溶解于钢基体相并沿晶界生成复式碳化物 ,两相界面实现冶金结合 ,界面处合金元素的微区浓度存在过渡区 ,界面结合强度大为提高 ;磨损过程中 ,疲劳裂纹首先在承受较大应力的硬质相内部萌生 ,导致硬质相脆性脱落加剧磨损 ,整个过程表现为疲劳磨损和磨粒磨损的综合作用 The WC granule reinforced bearing steel composite material was successfully prepared by electroslag casting method, and its wear properties were studied. The results show that the WC phase dissolves in the steel matrix phase and forms multiple carbides along the grain boundaries, and the metallurgical bonding occurs at the interface of the two phases. The micro-concentration of the alloying elements in the interface has a transition zone and the interfacial bonding strength increases greatly. During the wear process, Fatigue cracks in the first to withstand greater stress within the hard phase initiation, resulting in brittle loss of hard phase exacerbate the wear and tear, the whole process showed the combined effect of fatigue wear and abrasive wear