Fracture toughness of Ti-15Al-8Nb alloy under mixed mode I/III loading

被引：8
|
作者：
Paradkar, A. G. [1 ]
Kamat, S. V. [1 ]
机构：
[1] Def Met Res Lab, Hyderabad 500058, Andhra Pradesh, India
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2011年 / 528卷 / 09期
关键词：
Stress-induced martensitic transformation; Ti-Al-Nb alloy; Fracture toughness; Mixed mode I/III loading; AL-NB ALLOYS; INDUCED MARTENSITIC-TRANSFORMATION; III FRACTURE; TRIGGER STRESS; CRACKS;
D O I：
10.1016/j.msea.2011.01.014
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of mixed mode I/Ill loading on fracture toughness of Ti-15 at.% Al-8 at.% Nb alloy, which undergoes stress-induced martensitic transformation, was investigated for four different grain sizes. The fracture toughness under mixed mode I/III loading was found to be significantly higher than that under mode I loading in all cases. The results were explained on the basis of the stress and strain fields ahead of a mixed mode crack and its influence on the martensitic transformation zone. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：3283 / 3288
页数：6
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