本文利用自行研制的多功能微磨损试验机研究涂层的微磨损测试数据,主要分析了线接触工况下磨痕的测量误差对磨损系数误差的影响,讨论了获得合理而准确的测量值的微磨损测试条件.分析结果表明,涂层和基体的磨损系数Kc和Ks的误差取决于涂层和基体磨损系数的比值Kc/Ks、无量纲参数a2Rt以及磨痕内宽度a和涂层厚度t的相对测量误差;当磨痕内宽度的最小尺寸a0大于最小极限值时,涂层和基体磨损系数的误差降低;a0的最小尺寸取决于对磨环半径和磨料粒径.
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