油润滑状态下粉末冶金件的摩擦磨损性能分析
Analysis of Wear Behavior of Friction under Oil Lubrication of Powder Metallurgy Materials
梁集标 1苏镇坚 1马瑞辉 1吴伟强 1蔡胡磊1
作者信息
- 1. 广东东睦新材料有限公司,广东 江门 529000
- 折叠
摘要
研究了油润滑状态下铁基粉末冶金件的摩擦磨损性能,探索了 Mo、P以及C元素对铁基粉末冶金材料硬度、金相和摩擦磨损性能的影响,并与铸件的耐磨性进行了对比分析,探讨了铁基粉末冶金件和铸件在本实验条件下的磨损机理.结果表明:Mo、P元素的加入均使材料硬度有所提高;Mo元素的加入可抑制烧结过程中珠光体的生成,促进贝氏体的产生;P元素的加入对材料组织和性能的影响比较复杂;在添加P的基础上增加C含量,材料耐磨性有所提升但不太明显.本实验条件下,Fe-0.9C-1.2Cu的铁基粉末冶金材料耐磨性与铸件相似,加入Mo、P后的材料耐磨性好于铸件,粉末冶金件主要呈现磨料磨损形貌,而铸件为磨料磨损和疲劳剥落共存.
Abstract
This paper studied the friction and wear properties of powder metallurgy under oil lubrication.The influences of the addition of Mo,P and C on the microstructure,hardness and wear properties was studied.The wear mechanism in this experimental condition was discussed.At the same time,the wear resistance of the powder metallurgy and casting was compared.The results showed that:the addition of Mo,P can increase the hardness of material.Mo can inhibit the generation of pearlite and promote the generation of bainite.The affection of P's addition on the microstructure and properties are complex.The wear resistance Fe-0.9C-1.2Cu iron-based powder metallurgy and casting were similar.The material added Mo,P,increased C had better wear resistance than casting.Under this condition,power metallurgy has abrasive wear morphology,while casting has abrasive wear and fatigue spall morphology.
关键词
油润滑/粉末冶金件/摩擦磨损性能/磨损机理Key words
oil lubrication/powder metallurgy/wear resistance/wear mechanism引用本文复制引用
出版年
2024
NETL
NSTL
万方数据