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材料工程  2015 

球磨制备轴承珠表面自润滑涂层及其摩擦性能

DOI: 10.11868/j.issn.1001-4381.2015.09.004, PP. 19-24

Keywords: 轴承珠,二硫化钼,行星式球磨,摩擦

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Abstract:

通过将MoS2粉末和轴承珠放入真空球磨罐中进行球磨的方法在轴承珠表面制备自润滑涂层。固定球磨转速为200r/min,研究不同球磨时间对轴承珠表面制备涂层的影响。采用配有能谱的扫描电子显微镜对球磨不同时间所制备涂层的形貌及元素分布进行观察。结果表明随球磨时间的延长,涂层表面形貌变化不大,涂层厚度先增加后减小,Mo的分布先均匀后分散,球磨5h后涂层的厚度及元素的均匀性最佳。制备涂层的摩擦测试结果表明球磨1h和5h所制备的涂层具有明显的润滑效果,而球磨10h的润滑效果不明显。球磨5h所制备的涂层具有最佳的润滑效果。

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