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研究了机械搅拌法制备的半固态B4C/Y112复合材料在不同载荷下的磨损性能。采用SEM对磨损面和磨屑显微组织进行了观察与分析,讨论了不同质量分数的B4C颗粒对磨损机制的影响。结果表明,基体和复合材料磨损质量损失都是随着载荷的增加而增加,磨损质量损失随B4C颗粒含量增加而减少。随着载荷增加,材料从轻微磨损向严重磨损转变。总体上讲,复合材料比基体的耐磨性好。
The wear behavior of semi-solid B4C / Y112 composites prepared under mechanical agitation under different loads was studied. The microstructure of wear surface and wear debris were observed and analyzed by SEM, and the influence of different mass fraction of B4C particles on the wear mechanism was discussed. The results show that both the wear mass loss of matrix and composite increases with the increase of load, and the loss of wear mass decreases with the increase of B4C particle content. As load increases, the material changes from slight wear to severe wear. Overall, the composite material than the substrate wear resistance.