Dry sliding wear of Ti-6Al-4V alloy in air and vacuum

被引：0
|
作者：
Liu, Y [1 ]
Yang, DZ [1 ]
He, SY [1 ]
Wu, WL [1 ]
机构：
[1] Harbin Inst Technol, Space Mat & Environm Engn Lab, Harbin 150001, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2003年 / 13卷 / 05期
关键词：
dry sliding; titanium alloy; delamination; adhesion; deformation;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Differences in wear rate, morphology of the worn surface and debris, and the microstructure in subsurface of the Ti-6Al-4V alloy after wear in air and vacuum were compared. The wear rate of Ti-6Al-4V alloy in air is higher than that in vacuum in all the ranges of sliding velocities and applied loads. The wear of Ti-6Al-4V alloy in air is controlled by a combination of abrasion, oxidation and delamination with micro-cracks remaining in subsurface. Under the vacuum condition, the surface layer of Ti-6Al-4V alloy experiences a severe plastic deformation on a great scale, which results in an ultra-fine microstructure.
引用
收藏
页码：1137 / 1140
页数：4
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