为开发先进的铝基固体自润滑材料与技术,采用亚音速火焰喷涂技术制备了铝硅/聚苯酯涂层,利用扫描电子显微镜(SEM)、电子能谱仪(EDS)、洛氏硬度计、拉伸试验机、摩擦磨损试验机分析测试了涂层的组织、硬度与结合强度,探讨了载荷对涂层摩擦学性能的影响.结果表明,涂层由铝硅和聚苯酯相构成,聚苯酯相所占面积比约20％.涂层组织致密,与基体结合强度达67 MPa,表面宏观硬度约为75.3 HR15Y.试验载荷对铝硅/聚苯酯涂层的摩擦学性能有显著影响,涂层摩擦因数随载荷的上升呈先下降后上升趋势,不同载荷致使涂层在组织、成分、形态等方面的差异是其主要影响因素.
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