Anisotropy of plasticity in Ti–6Al–4V alloy processed by electron beam direct energy deposition

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成果类型：

期刊论文

作者：

Zhang, Qi;Liu, Zheng*;Zhang, Yingrui;Bai, Lu;Jiang, Lihong;...

通讯作者：

Liu, Z;Liu, Zheng;Guo, ZH;Bai, L

作者机构：

[Zhang, Qi; Liu, Zheng] Nanchang Hangkong Univ, Natl Def Key Disciplines Lab Light Alloy Proc Sci, Nanchang 330063, Jiangxi, Peoples R China.

[Guo, Zhenghua; Zhang, Qi; Jiang, Lihong; Liu, Zheng; Wang, Zhenjun; Zhang, Yingrui; Guo, ZH] Nanchang Hangkong Univ, Sch Aeronaut Mfg Engn, Nanchang 330063, Jiangxi, Peoples R China.

[Zhang, Qi] AECC Guizhou Honglin Aeroengine Control Technol Co, Guiyang 550000, Guizhou, Peoples R China.

[Liu, Zheng] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China.

[Bai, Lu] NanChang JiaoTong Inst, Nanchang 330100, Jiangxi, Peoples R China.

通讯机构：

[Liu, Z; Liu, Z ; Guo, ZH ; Bai, L ] N

Nanchang Hangkong Univ, Natl Def Key Disciplines Lab Light Alloy Proc Sci, Nanchang 330063, Jiangxi, Peoples R China.

Nanchang Hangkong Univ, Sch Aeronaut Mfg Engn, Nanchang 330063, Jiangxi, Peoples R China.

NanChang JiaoTong Inst, Nanchang 330100, Jiangxi, Peoples R China.

语种：

英文

关键词：

Electron beam direct energy deposition;Anisotropy;Uniform elongation;Columnar morphology;Ti–6Al–4V alloy

期刊：

Journal of Materials Research and Technology

ISSN：

2238-7854

年：

2023

卷：

页码：

5662-5668

DOI：

10.1016/j.jmrt.2023.11.039

基金类别：

National Defense Key Disciplines Laboratory of Light Alloy Processing Science and Technology, Nanchang Hangkong University, China [EG202003412]; National Natural Science Foundation of China, China [52105356]; Jiangxi Provincial Natural Science Foundation, China [20232BAB214003]; Jiangxi Provincial Department of Science and Technology, China [20225BCJ22002]

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：

Additive manufactured titanium alloys are generally characterized by columnar grain structures along the vertical direction (VD), thereby causing a relative lower plasticity in the horizontal direction (HD) than that in the VD direction. However, herein we report that such columnar grain structures in the Ti-6Al-4V alloy produced by electron beam direct energy deposition (EB DED) can induce a superior uniform elongation in the HD direction than that in the other loading directions (22.5 degrees ,45 degrees, 67.5 degrees and VD directions). Besides the orientation of alpha laths with a favorabl...

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Anisotropy of plasticity in Ti–6Al–4V alloy processed by electron beam direct energy deposition

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