W6Mo5Cr4V2/A100复合材料的制备及摩擦性能

doi:10.13251/j.issn.0254-6051.2021.09.007

金属热处理 ›› 2021, Vol. 46 ›› Issue (9): 42-46.DOI: 10.13251/j.issn.0254-6051.2021.09.007

W6Mo5Cr4V2/A100复合材料的制备及摩擦性能

季琳琳¹, 李长生², 孙建荣¹, 苟州², 张号²

1.江苏大学机械工程学院, 江苏镇江 212000;
2.江苏大学材料科学与工程学院, 江苏镇江 212000

收稿日期:2021-04-13 出版日期:2021-09-25 发布日期:2021-12-09
通讯作者: 李长生,教授,博士,E-mail:lichangsheng@ujs.edu.cn
作者简介:季琳琳(1996—),女,硕士研究生,主要研究方向为复合材料制备及性能,E-mail:1256237168@qq.com。

Preparation and tribological properties of W6Mo5Cr4V2/A100 composites

Ji Linlin¹, Li Changsheng², Sun Jianrong¹, Gou Zhou², Zhang Hao²

1. School of Mechanical Engineering, Jiangsu University, Zhenjiang Jiangsu 212000, China;
2. School of Materials Science and Engineering, Jiangsu University, Zhenjiang Jiangsu 212000, China

Received:2021-04-13 Online:2021-09-25 Published:2021-12-09

摘要/Abstract

摘要： 为了提高A100钢的摩擦学性能,采用气雾化法制备纯A100钢粉末及分别添加10%、17%、23% W6Mo5Cr4V2高速钢的W6Mo5Cr4V2/A100合金粉末,再利用粉末冶金工艺制备W6Mo5Cr4V2/A100复合材料。研究不同含量W6Mo5Cr4V2钢对复合材料力学性能和摩擦性能的影响,并探讨其磨损机理。结果表明,随着W6Mo5Cr4V2钢含量的增加,复合材料的硬度先上升后下降,且摩擦因数和磨损率都有不同程度的降低,但是材料的密度和韧性都略微下降。当W6Mo5Cr4V2钢含量为17%时,复合材料的摩擦性能最优,这与其优异的微观结构和力学性能有着密不可分的关系。

关键词: W6Mo5Cr4V2/A100复合材料, 粉末冶金, 摩擦性能

Abstract: In order to improve the tribological properties of A100 steel, pure A100 steel alloy powder and W6Mo5Cr4V2/A100 alloy powder with 10%, 17%, 23%, respectively, tungsten-molybdenum high-speed steel were prepared by gas atomization, then powder metallurgy process was used to prepare W6Mo5Cr4V2 /A100 composites. Effect of W6Mo5Cr4V2 steel content on mechanical properties and tribological properties of the composites was studied, and wear mechanism was discussed. The results show that as the content of W6Mo5Cr4V2 steel increases, the hardness of the composites increases first and then decreases, the friction coefficient and wear rate are reduced to varying degrees, but the density and toughness of the material are slightly reduced. When the content of W6Mo5Cr4V2 steel is 17%, the tribological properties of the composite material are optimal, which is closely related to its excellent microstructure and mechanical properties.

Key words: W6Mo5Cr4V2/A100 composites, powder metallurgy, tribological properties

中图分类号:

TB331

季琳琳, 李长生, 孙建荣, 苟州, 张号. W6Mo5Cr4V2/A100复合材料的制备及摩擦性能[J]. 金属热处理, 2021, 46(9): 42-46.

Ji Linlin, Li Changsheng, Sun Jianrong, Gou Zhou, Zhang Hao. Preparation and tribological properties of W6Mo5Cr4V2/A100 composites[J]. Heat Treatment of Metals, 2021, 46(9): 42-46.

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W6Mo5Cr4V2/A100复合材料的制备及摩擦性能

Preparation and tribological properties of W6Mo5Cr4V2/A100 composites

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