【摘 要】
:
采用四球摩擦磨损试验机考察了硼酸钠、硼酸钾和氯化镧在水介质中的极压、抗磨和减摩性能,采用扫描电镜(SEM)、X射线能谱(EDX)、X射线光电子能谱(XPS)分析了磨斑表面形貌、主要元素
【机 构】
:
解放军后勤工程学院军事油料应用工程系
论文部分内容阅读
采用四球摩擦磨损试验机考察了硼酸钠、硼酸钾和氯化镧在水介质中的极压、抗磨和减摩性能,采用扫描电镜(SEM)、X射线能谱(EDX)、X射线光电子能谱(XPS)分析了磨斑表面形貌、主要元素的分布特征和化学状态。结果表明,硼酸钠、硼酸钾和氯化镧可一定程度地提高水的极压、抗磨和减摩性能,硼酸钾性能最优,硼酸盐与氯化镧复合后性能进一步改善。硼酸盐与氯化镧复合前摩擦表面擦伤严重,复合后擦伤明显减小,表面形成的La2O3,B2O3,Fe3O4和Fe2O3起到了良好的极压、抗磨和减摩作用。
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