合金磨损性能的影响
( 1. 上海交通大学 材料科学与工程学院， 上海 210030；
2. 北京装甲兵工程学院装备再制造技术国防科技重点实验室，
北京 100072；
3. 河南科技大学 材料科学与工程学院，洛阳 471039)
摘 要: 制定了国产HMn59-2-1-0.5合金同步器齿环的热处理工艺，对比了该合金齿环和进口齿环的磨损性能， 分析了HMn59-2-1-0.5合金的磨损机理。结果表明： 国产HMn59-2-1-0.5合金同步器齿环耐磨性优于进口同步器齿环或与之相当，磨损机理主要是磨粒磨损， 热处理后形成的“硬质点＋软基体”和“软质点＋硬基体”的典型多相复合耐磨组织使合金具有良好的摩擦特性。
关键字: 同步器齿环； HMn59-2-1-0.5合金；热处理； 磨损性能
HM59-2-1-0.5 alloy used in car synchro converter ring
（ 1. College of Materials Science and Engineering,
Shanghai Jiaotong University, Shanghai 200030, China;
2. National Key Laboratory for Remanufacturing,
Beijing Armored Force Engineering Institute,
Beijing 100072, China;
3. College of Materials Science and Engineering,
Henan Science University, Luoyang 471039, China）
Abstract: The heat treatment technique of HMn59-2-1-0.5 alloy used in car synchro converter ring was determined. The wear properties between HM59-2-1-0.5 alloy and imported material used in car synchro converter ring were compared and the wear mechanism was analyzed. The results show that the wear properties of HM59-2-1-0.5 alloy equal to or are better than those of imported material and the main wear mechanism is abrasive wear. The composite microstructures of hard particle+soft matrix and soft particle+hard matrix make the alloy have excellent friction
Key words: synchro converter ring; HMn59-2-1-0.5 alloy; heat treatment; wear performance
