Microstructure and tribological behavior of in situ synthesized (TiB+TiC)/Ti6Al4V (TiB/TiC=1/1) composites

被引：41

作者：

Zheng, Bowen ^{[1
]}

Dong, Fuyu ^{[1
]}

Yuan, Xiaoguang ^{[1
]}

Huang, Hongjun ^{[1
]}

Zhang, Yue ^{[1
]}

Zuo, Xiaojiao ^{[1
]}

Luo, Liangshun ^{[2
]}

Wang, Liang ^{[2
]}

Su, Yanqing ^{[2
]}

Li, Weidong ^{[3
]}

Liaw, Peter K. ^{[3
]}

Wang, Xuan ^{[4
]}

机构：

[1] Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110870, Peoples R China

[2] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China

[3] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA

[4] Chongqing Univ, Sch Mat Sci & Engn, Chongqing 400044, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2020年 / 145卷

基金：

中国博士后科学基金; 美国国家科学基金会; 中国国家自然科学基金;

关键词：

Titanium matrix composite; Microstructure; Tribological behavior; Transfer layer; DRY SLIDING WEAR; MECHANICAL-PROPERTIES; MATRIX-COMPOSITES; TENSILE PROPERTIES; TIB; FRICTION; COATINGS; ALLOY; TICP;

D O I：

10.1016/j.triboint.2020.106177

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

To enhance wear properties of titanium alloys, in situ titanium matrix composites (TMCs) were synthesized by a melting cast method with (TiC + TiB) volume fractions of 0, 2, 4, 6, 8, and 10%. The results indicated that tribological properties of TMCs were increased owing to the dispersed distribution of (TiC + TiB) reinforcements, which improved the ability to resist the surface shear stress. Moreover, the stable transfer layer formed during wear reduced the shear strength and limited the direct interaction at tribo-pair interfaces to enhance surface hardness and wear resistance effectively. Consequently, the wear mechanism appeared to transitioned from the severe adhesive and oxidative wear gradually to the slight adhesion, abrasive, and oxidative wear along with reinforcements content increased.

引用

页数：13

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