张国涛,尹延国,刘振明,林桢弟

• 1:合肥工业大学摩擦学研究所
• 2:浙江双飞无油轴承有限公司

摘要(Abstract)：

采用粉末冶金工艺制备基体致密、表层多孔含油的双层复合铁基含油材料,用HDM-20端面摩擦磨损试验机评价其摩擦磨损性能。结果表明,改变表层中TiH_2的含量可以实现孔隙率的变化,有效改善润滑性能,适宜TiH_2的含量可满足复层材料力学性能和润滑性能的平衡;在较高负载工况时,复层材料润滑性能较单层烧结材料好,且随着表层厚度的增加,摩擦系数先降低后升高,当表层厚度占材料总厚度的50%时,复层材料的承载能力最高,摩擦磨损性能最好。

关键词(KeyWords)： 复层材料;孔隙率;表层厚度;摩擦磨损

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51575151);; 安徽省科技攻关项目(1501021006)

作者(Author): 张国涛,尹延国,刘振明,林桢弟

DOI: 10.13289/j.issn.1009-6264.2017.01.002

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