谢仕芳,张林伟,王武荣,陆德平,毛丹丹,韦习成

• 1:江西省科学院应用物理研究所
• 2:上海大学材料科学与工程学院
• 3:国家知识产权局专利局专利审查协作江苏中心

摘要(Abstract)：

采用销盘摩擦磨损试验机研究了不同载荷下45钢与DC53钢(Cr12Mo V1)的干滑动摩擦学行为。通过SEM、XRD、SIMS等分析了45钢的磨损机理及其摩擦诱发的变形层特征。结果表明,载荷从40 N增加到60 N时,45钢销试样的磨损率增加量远大于DC53钢盘试样的磨损率增加量,载荷的变化对平均摩擦系数的大小几乎无影响;40 N载荷条件下,45钢销试样表面主要发生磨粒磨损和轻微的粘着磨损,60 N载荷条件下,45钢销试样表面主要发生粘着磨损;45钢销试样的摩擦影响层均由摩擦表层和塑性变形层组成,60 N载荷条件下销试样的塑性变形层深度大于40 N载荷条件下的销试样;45钢销试样的磨损表层出现了晶粒细化的现象,60 N载荷条件下的晶粒细化更明显;磨损表层中的细晶铁素体主要是由摩擦磨损过程中摩擦热和塑性变形共同作用导致的动态再结晶诱发的。

关键词(KeyWords)： 45钢;干滑动摩擦;磨损影响层;晶粒细化

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(50975166);; 国家国际科技合作专项(2013DFR50900);; 江西省对外科技合作计划(20132BDH80028)

作者(Author): 谢仕芳,张林伟,王武荣,陆德平,毛丹丹,韦习成

DOI: 10.13289/j.issn.1009-6264.2015.06.043

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