MICROSTRUCTURE EVOLUTION AND ITS EFFECT ON TENSILE AND FRACTURE-BEHAVIOR OF TI-AL-NB ALPHA(2)-INTERMETALLICS

被引：0
|
作者：
WARD, CH [1 ]
机构：
[1] WRIGHT LAB,MAT DIRECTORATE,WRIGHT PATTERSON AFB,OH
来源：
INTERNATIONAL MATERIALS REVIEWS | 1993年 / 38卷 / 02期
关键词：
D O I：
10.1179/imr.1993.38.2.79
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The alloy system based on the nominal composition Ti-25Al was first studied over 30 years ago, and has undergone research for approximately the past 15 years. However, only during the past 6 years has this system been open for general public disclosure of previous government research in this area, this has lead to a deluge of research results across the world. This review covers those results as they pertain to the alpha2 alloy system based on Ti-Al-Nb. The complicated phase transformation sequences and stabilities for this alloy system are addressed. Furthermore, dislocation behaviour in both single phase alpha2 and dual phase alpha2 + beta/B2 is described. Finally, the correlation of microstructure and dislocation behaviour with tensile and fracture properties is presented.
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页码：79 / 101
页数：23
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