High cycle fatigue behavior of thermally oxidized Ti6Al4V alloy

被引：5
作者：
Cingi, Mehmet [1 ]
Meydanoglu, Onur [1 ]
Guleryuz, Hasan [1 ]
Baydogan, Murat [1 ]
Cimenoglu, Huseyin [1 ]
Kayali, E. Sabri [1 ]
机构：
[1] Istanbul Tech Univ, Dept Met & Mat Engn, TR-34469 Istanbul, Turkey
来源：
PRICM 6: SIXTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, PTS 1-3 | 2007年 / 561-565卷
关键词：
fatigue; thermal oxidation; titanium; oxidation;
D O I：
10.4028/www.scientific.net/MSF.561-565.2179
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
In this study, the effect of thermal oxidation on the high cycle rotating bending fatigue behavior of Ti6Al4V alloy was investigated. Oxidation, which was performed at 600 degrees C for 60 h in air, considerably improved the surface hardness and particularly the yield strength of the alloy without scarifying the tensile ductility. Unfortunately, the rotating bending fatigue strength at 5x10(6) cycles decreased from about 610 MPa to about 400 MPa upon oxidation. Thus, thermal oxidation leaded a reduction in the fatigue strength of around 34%, while improving the surface hardness (HV0.1) and yield strength 85% and 36%, respectively.
引用
收藏
页码：2179 / 2182
页数：4
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