Strength and grain refinement of Ti-30Zr-5Al-3V alloy by Fe addition

被引：11

作者：

Li, Jun ^{[1
]}

Zhang, Xinyu ^{[1
]}

Qin, Jiaqian ^{[1
,2
]}

Ma, Mingzhen ^{[1
]}

Liu, Riping ^{[1
]}

机构：

[1] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao, Peoples R China

[2] Chulalongkorn Univ, Met & Mat Sci Res Inst, Bangkok, Thailand

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2017年 / 691卷

基金：

美国国家科学基金会;

关键词：

TiZrAlV alloys; Fe addition; Grain refinement; Mechanical properties; BETA-TITANIUM ALLOYS; MECHANICAL-PROPERTIES; PHASE; MICROSTRUCTURE;

D O I：

10.1016/j.msea.2017.03.027

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The influence of various Fe contents on the microstructure and mechanical properties of Ti-30Zr-5Al-3V (ZTAV) alloy was investigated. After Fe addition, the grain refinement is obvious and the phase composition changes as alpha'+beta -> beta. Ti-30Zr-5Al-3V-0.5Fe exhibits a better mechanical property (sigma b approximate to 1420 MPa, epsilon(f)approximate to 5.34%) than Ti-30Zr-5Al-3V (sigma b approximate to 1302 MPa, epsilon(f)approximate to 4.4.28%). Highest ultimate tensile strength (sigma b approximate to 1667 MPa, epsilon(f)approximate to 4.2.34%) have been achieved in Ti-30Zr-5Al-3V-1.5Fe. The mechanical properties change owe to the phase transformation, grain refinement, and solid solution strengthening caused by Fe addition.

引用

页码：25 / 30

页数：6

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