Microstructure and high strength-ductility synergy of Ti-6Al-4V alloy induced by joule heat treatment

被引：11
|
作者：
Shao, Hui [1 ]
Cai, Lulu [1 ]
Shan, Di [1 ]
Wang, Kaixuan [2 ]
Li, Lei [3 ]
Zhang, Guojun [1 ]
Zhao, Yongqing [4 ]
机构：
[1] Xian Univ Technol, Xian 710048, Shaanxi, Peoples R China
[2] Western Superconducting Technol Co Ltd, Xian 710018, Shaanxi, Peoples R China
[3] Xian Univ, Shaanxi Key Lab Surface Engn & Remfg, Xian 710065, Shaanxi, Peoples R China
[4] Northwest Inst Nonferrous Met Res, Xian 710016, Shaanxi, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2018年 / 53卷 / 24期
基金：
中国国家自然科学基金;
关键词：
ELECTRIC-CURRENT; RECRYSTALLIZATION; EVOLUTION; TITANIUM; METALS; BEHAVIOR; SCREW;
D O I：
10.1007/s10853-018-2794-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The fine grain Ti-6Al-4V alloy fabricated by the multi-rolling process was annealed by a joule heat itself. The effects of subgrain development and growth on the strength and its ductility were investigated. The values of yield strength and elongation of all the specimens exceeded 860MPa and 10% (ASTM), respectively. And excellent strength (1040MPa, yield strength; 1104MPa, tensile strength) and ductility (13.5%, elongation; 52%, area reduction) could be obtained resulting from the high boundary intensity and fine grain size.
引用
收藏
页码：16609 / 16617
页数：9
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