张振宇,王智平,梁补女,苏义祥

• 1:兰州工业高等专科学校机械工程系
• 2:兰州工业高等专科学校机械工程系
• 3:兰州理工大学甘肃省省部共建有色金属新材料国家重点实验室
• 4:兰州理工大学合金材料总厂 甘肃兰州730050

摘要(Abstract)：

采用热喷熔方法在45钢表面制备了NiCrBSiWCe合金粉末喷熔层,在SRV磨损试验机上进行小振幅滑动磨损试验研究。结果表明,NiCrBSiWCe合金喷熔层的摩擦磨损性能明显高于SAE52100钢。在较低载荷和滑动速度较低下,小振幅滑动磨损机理为磨损表面的划痕、裂纹和疲劳脱层。而在较高滑动速度下,小振幅滑动磨损机理为磨损表面的氧化磨屑层的形成,含稀土的磨屑层阻碍了喷熔层小振幅滑动磨损。

关键词(KeyWords)： NiCrBSiWCe;合金粉末;喷熔层;滑动磨损;耐磨性能

Abstract:

Keywords:

基金项目(Foundation): 甘肃省自然基金暨中青年科技基金资助项目(ZS031-A25-018G)

作者(Author): 张振宇,王智平,梁补女,苏义祥

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