Influence of DC Heat Treatments on Microstructure, Residual Stress, and Hardness of Ti–6Al–4V Alloy

被引：0
作者：
Hui Shao
Di Shan
Kaixuan Wang
Guojun Zhang
Yongqing Zhao
机构：
[1] Xi’an University of Technology,
[2] Western Superconducting Technologies Co.,undefined
[3] Ltd.,undefined
[4] Northwest Institute for Non-ferrous Metal Research,undefined
来源：
Metallography, Microstructure, and Analysis | 2019年 / 8卷
关键词：
Direct current; Microstructure; Residual stress; Hardness; Ti–6Al–4V;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Ti–6Al–4V alloy has been subjected to direct current heat treatments at 850, 900, and 950 °C, respectively. The results indicate that the α-phase coarsening could be effectively prevented by the high Joule heating rate and the short hold time. In addition, the tensile residual stress became a compressive stress, which increased with an increased hold time. A high hardness was obtained due to phase strengthening and the release of tensile stress.
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页码：378 / 385
页数：7
相关论文
共 85 条
[1]  
Iijima M(2008)Torsional properties and microstructures of miniscrew implants Am. J. Orthod. Dentofac. 134 33-334
[2]  
Muguruma T(2011)Relationship between the metallurgical structure of experimental titanium miniscrew implants and their torsional properties Eur. J. Orthod. 33 293-297
[3]  
Brantley WA(2012)Effect of grain size on the micro-tribological behavior of pure titanium processed by high-pressure torsion Wear 280 28-35
[4]  
Okayama M(2013)Twenty-five years of ultrafine-grained materials: achieving exceptional properties through grain refinement Acta Mater. 61 7035-7059
[5]  
Yuasa T(2011)Mechanical properties of mass-produced nanostructured titanium Nanotechnol. Russ. 6 370-378
[6]  
Muguruma T(2006)Principles of equal-channel angular pressing as a processing tool for grain refinement Prog. Mater Sci. 51 881-981
[7]  
Iijima M(2011)Improvement of mechanical properties of magnesium alloy ZK60 by integrated extrusion and equal channel angular pressing Acta Mater. 59 375-385
[8]  
Brantley WA(2012)Strength and ductility-related properties of ultrafine grained two-phase titanium alloy produced by warm multiaxial forging Mater. Sci. Eng. A 536 190-196
[9]  
Yuasa T(2017)Stress relaxation in tensile deformation of 304 stainless steel J. Mater. Eng. Perform. 26 630-635
[10]  
Ohno H(1988)Effect of electric current on the recrystallization behavior of cold worked α-Ti Scr. Metall. 22 187-190
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