β phase morphology analysis for enhancing friction properties and wear resistance of Ti-6Al-4V alloy

被引：5
作者：
Si, Tongkang [1 ]
Geng, Jihua [1 ]
Ning, Bingkun [1 ]
Mao, Yamei [1 ]
Chen, Yongnan [1 ]
Jiang, Chaoping [1 ]
Wang, Nan [1 ]
Hou, Zhimin [2 ]
Zhao, Qinyang [1 ]
Hua, Ke [3 ]
Kang, Yan [2 ]
机构：
[1] Changan Univ, Sch Mat Sci & Engn, Xian 710064, Peoples R China
[2] Western Titanium Ind Co Ltd, Xian 710016, Peoples R China
[3] Northwestern Polytech Univ, Ctr Adv Lubricat & Seal Mat, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2025年 / 201卷
基金：
中国国家自然科学基金;
关键词：
Wear resistance; Strain coordination; Shear stress concentration; Dislocations; FRETTING WEAR; SLIDING WEAR; BEHAVIOR; MICROSTRUCTURE; SIMULATIONS;
D O I：
10.1016/j.triboint.2024.110196
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The purpose of this study was to investigate the relationship between the morphology of beta phase and the wear characteristic of Ti-6Al-4V (TC4) alloy. The coefficient of friction of the equiaxed beta phase structure was reduced by 34.0 % and the wear rate was decreased by 25.9 % compared to the layered beta phase structure. The excellent strain coordination of the equiaxed beta phase could maintain its wear resistance, which was because the shear stress was less concentrated. More 1/2 < 111 > dislocations were activated in the equiaxed beta phase, which made {110}<111> slip system easier to slip and it alleviates shear stress concentration. This study provided valuable evidence for improving their wear resistance.
引用
收藏
页数：12
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