Enhanced strength-ductility synergy and mechanisms of heterostructured Ti6Al4V-Cu alloys produced by laser powder bed fusion

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成果类型：

期刊论文

作者：

Li, Kunmao;Yang, Junjie;Yi, Yanliang;Liu, Xiaochun;Liu, Yujing;...

通讯作者：

Zhou, SF;Zhang, LC

作者机构：

[Yi, Yanliang; Li, Kunmao; Zhou, Shengfeng; Li, Wei; Zhou, SF; Yang, Junjie] Jinan Univ, Inst Adv Wear & Corros Resistance & Funct Mat, Guangzhou 510632, Peoples R China.

[Zhou, Shengfeng; Zhou, SF] Chongqing Univ, state Key Lab Mech Transmiss, Chongqing 400044, Peoples R China.

[Liu, Xiaochun; Liu, Yujing] Changsha Univ Sci & Technol, Inst Met, Coll Mat Sci & Engn, 960,2 Sect,Wanjiali RD S, Changsha 410004, Hunan, Peoples R China.

[Zhang, Lai-Chang] Edith Cowan Univ, Ctr Adv Mat & Mfg, Sch Engn, 270 Joondalup Dr, Perth, WA 6027, Australia.

[Zhang, Wencai] Jinan Univ, Affiliated Hosp 1, Dept Orthoped, Guangzhou 510632, Peoples R China.

通讯机构：

[Zhang, LC ] E

[Zhou, SF ] J

Jinan Univ, Inst Adv Wear & Corros Resistance & Funct Mat, Guangzhou 510632, Peoples R China.

Chongqing Univ, state Key Lab Mech Transmiss, Chongqing 400044, Peoples R China.

Edith Cowan Univ, Ctr Adv Mat & Mfg, Sch Engn, 270 Joondalup Dr, Perth, WA 6027, Australia.

语种：

英文

关键词：

Titanium alloy;Laser powder bed fusion;Deformation twins;Heterostructure;Mechanical behavior

期刊：

Acta Materialia

ISSN：

1359-6454

年：

2023

卷：

256

页码：

119112

DOI：

10.1016/j.actamat.2023.119112

基金类别：

Major Research Plan of the National Natural Science Foundation of China [92166112]; National Natural Science Foundation of China [52101084]; Project of MOE Key Lab of Disaster Forecast and Control in Engineering in Jinan University [20200904006]; Guangzhou Basic and Applied Basic Research Foundation [202102020612]; Guangdong Province Basic and Applied Basic Research Foundation [2020B1515420004]; Guangxi Key Laboratory of Information Materials [211012-K]; Open Project Program of the State Key Laboratory of Mechanical Transmissions in Chongqing University [SKLMT-MSKFKT-202102]; Fundamental Research Funds for the Central Universities [21622110]

机构署名：

本校为其他机构

院系归属：

材料科学与工程学院

摘要：

Limited slip systems of & alpha; structure always play a major role in hindering strength-ductility synergy improvement of titanium (Ti) alloys. To overcome the strength-ductility trade-off of Ti alloys, heterostructure is introduced into Ti6Al4V-xCu (x = 0, 1, 3, 5 wt.%) alloys produced by laser powder bed fusion (LPBF), and the formation mechanism and deformation behavior of heterostructures were investigated. The results showed that the monolithic & alpha;' in the LPBF-produced Ti6Al4V-xCu (wt%) alloys is decomposed into dual & alpha; and & alpha;" after heat treatment at 600-900 degrees C ...

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Enhanced strength-ductility synergy and mechanisms of heterostructured Ti6Al4V-Cu alloys produced by laser powder bed fusion

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