Fatigue properties of a multifunctional titanium alloy exhibiting nonlinear elastic deformation behavior

被引：60
|
作者：
Zhang, S. Q. [1 ]
Li, S. J. [1 ]
Jia, M. T. [1 ]
Hao, Y. L. [1 ]
Yang, R. [1 ]
机构：
[1] Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 1100076, Peoples R China
来源：
SCRIPTA MATERIALIA | 2009年 / 60卷 / 08期
关键词：
High cycle fatigue; Hot rolling; Nonlinear elastic behavior; Microcracks; GUM METAL; BIOMEDICAL APPLICATIONS; MECHANICAL-PROPERTIES; YOUNGS MODULUS; TI-29NB-13TA-4.6ZR; TI-24NB-4ZR-7.9SN; ZR; SN;
D O I：
10.1016/j.scriptamat.2009.01.007
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We report the fatigue endurance of a multifunctional beta type titanium alloy exhibiting nonlinear elastic deformation behavior. Compared with other beta type titanium alloys possessing linear elasticity, the alloy shows a similar ratio of fatigue strength to yield strength but a much lower ratio to tensile strength for smooth specimens with different fatigue stress ratios. The finding shows for the first time that titanium alloys exhibiting unstable elastic and plastic deformation behavior are capable of long-term load-bearing applications. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：733 / 736
页数：4
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