Mo element-induced wear behavior evolution of self-lubricant Ti(C, N)-based cermets

被引：4

作者：

Liu, Junbo ^{[1
]}

Guo, Zhixing ^{[1
]}

Xiong, Ji ^{[1
]}

Liu, Jinping ^{[2
]}

Yang, Tian''en ^{[1
]}

Jiang, Wei ^{[1
]}

Ye, Junliu ^{[3
]}

机构：

[1] Sichuan Univ, Sch Mfg Sci & Engn, Chengdu 610065, Sichuan, Peoples R China

[2] China Acad Engn Phys, Inst Chem Mat, Mianyang 621900, Peoples R China

[3] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China

来源：

INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS | 2019年 / 80卷

基金：

中国国家自然科学基金;

关键词：

Self-lubricant Ti(C; N)-based cermets; Mo; Tribolayer; TRIBOLOGICAL PROPERTIES; MECHANICAL-PROPERTIES; SLIDING WEAR; MICROSTRUCTURE; FRICTION; COMPOSITES; ADDITIONS; CERAMICS; GRAPHITE; LAYER;

D O I：

10.1016/j.ijrmhm.2019.02.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the work, Mo element is used to adjust composition and distribution of the lubricating phase of the self lubricant Ti(C, N)-based cermets. Ring-block wear test of self-mate pairs is conducted. The microstructure and wear behavior evolution of the cermets are investigated. The results indicate by adjusting the content of Mo, the distribution of graphite on the surface of the self-lubricant cermets changes. With the increase of Mo content, the volume of graphite decrease, and the undissolved Mo increase. During self-mate pair sliding wear, the tribolayer transform from graphite to graphite + MoOx and then to MoOx. The cermets with 4 wt%. Mo show the best tribological properties, which shows a smooth and dense composite tribolayer formed mainly by graphite and MoOx.

引用

页码：299 / 304

页数：6

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