Effect of additive manufacturing process and heat treatment on microstructure and properties of Ti-6Al-4V alloy

Ti-6Al-4V(TC4) titanium alloy is a kind of α+β type two-phase titanium alloy widely used. However, due to the microscopic defects in additive manufacturing titanium alloy, its mechanical properties are lower than the forging level, and post-treatment is usually required. Therefore, it is necessary t...

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Main Authors: DONG Wanpeng, GAO Huabing, GUO Chunhuan, DONG Tao, YANG Zhenlin, LI Haixin, JIANG Fengchun
Format: Article
Language:zho
Published: Journal of Aeronautical Materials 2022-12-01
Series:Journal of Aeronautical Materials
Subjects:
Online Access:http://jam.biam.ac.cn/article/doi/10.11868/j.issn.1005-5053.2022.000064
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author DONG Wanpeng
GAO Huabing
GUO Chunhuan
DONG Tao
YANG Zhenlin
LI Haixin
JIANG Fengchun
author_facet DONG Wanpeng
GAO Huabing
GUO Chunhuan
DONG Tao
YANG Zhenlin
LI Haixin
JIANG Fengchun
author_sort DONG Wanpeng
collection DOAJ
description Ti-6Al-4V(TC4) titanium alloy is a kind of α+β type two-phase titanium alloy widely used. However, due to the microscopic defects in additive manufacturing titanium alloy, its mechanical properties are lower than the forging level, and post-treatment is usually required. Therefore, it is necessary to further study the additive manufacturing process and post-treatment of TC4 titanium alloy. In this paper, the microstructure and comprehensive properties of titanium alloy were analyzed by the changes of common process parameters such as energy input power and scanning strategy in the additive manufacturing process, and the influence of other process parameters such as protective gas type, substrate thickness, powder size and other factors in the additive manufacturing process was introduced. The influence of common heat treatment methods after additive manufacturing on its microstructure and mechanical properties was also comprehensively analyzed, and the influence of new post-heat treatment methods, such as vacuum heat treatment and cyclic heat treatment, as well as the influence of multiple post-treatment and comprehensive use of heat treatment were summarized. Generally speaking that the reasonable selection of additive manufacturing process parameters and the application of post-heat treatment method are the basis for obtaining titanium alloy components with excellent performance. The comprehensive use of various heat treatment methods or other post-treatment methods and heat treatment are the effective ways to further improve the performance of titanium alloy components in additive manufacturing. To establish a uniform selection standard for additive manufacturing process parameters and post-processing process is the key to the future development of additive manufacturing.
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spelling doaj.art-160f02baa92346b89827b61dcc07a75f2022-12-22T04:16:36ZzhoJournal of Aeronautical MaterialsJournal of Aeronautical Materials1005-50532022-12-01426223210.11868/j.issn.1005-5053.2022.000064a2022-0064Effect of additive manufacturing process and heat treatment on microstructure and properties of Ti-6Al-4V alloyDONG Wanpeng0GAO Huabing1GUO Chunhuan2DONG Tao3YANG Zhenlin4LI Haixin5JIANG Fengchun6Yantai Research Institute and Graduate School of Harbin Engineering University, Yantai 264000, Shandong, ChinaYantai Research Institute and Graduate School of Harbin Engineering University, Yantai 264000, Shandong, ChinaCollege of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, ChinaYantai Research Institute and Graduate School of Harbin Engineering University, Yantai 264000, Shandong, ChinaYantai Research Institute and Graduate School of Harbin Engineering University, Yantai 264000, Shandong, ChinaYantai Research Institute and Graduate School of Harbin Engineering University, Yantai 264000, Shandong, ChinaYantai Research Institute and Graduate School of Harbin Engineering University, Yantai 264000, Shandong, ChinaTi-6Al-4V(TC4) titanium alloy is a kind of α+β type two-phase titanium alloy widely used. However, due to the microscopic defects in additive manufacturing titanium alloy, its mechanical properties are lower than the forging level, and post-treatment is usually required. Therefore, it is necessary to further study the additive manufacturing process and post-treatment of TC4 titanium alloy. In this paper, the microstructure and comprehensive properties of titanium alloy were analyzed by the changes of common process parameters such as energy input power and scanning strategy in the additive manufacturing process, and the influence of other process parameters such as protective gas type, substrate thickness, powder size and other factors in the additive manufacturing process was introduced. The influence of common heat treatment methods after additive manufacturing on its microstructure and mechanical properties was also comprehensively analyzed, and the influence of new post-heat treatment methods, such as vacuum heat treatment and cyclic heat treatment, as well as the influence of multiple post-treatment and comprehensive use of heat treatment were summarized. Generally speaking that the reasonable selection of additive manufacturing process parameters and the application of post-heat treatment method are the basis for obtaining titanium alloy components with excellent performance. The comprehensive use of various heat treatment methods or other post-treatment methods and heat treatment are the effective ways to further improve the performance of titanium alloy components in additive manufacturing. To establish a uniform selection standard for additive manufacturing process parameters and post-processing process is the key to the future development of additive manufacturing.http://jam.biam.ac.cn/article/doi/10.11868/j.issn.1005-5053.2022.000064additive manufacturingti-6al-4v alloyprocess parametersheat treatmentmicrostructureperformance
spellingShingle DONG Wanpeng
GAO Huabing
GUO Chunhuan
DONG Tao
YANG Zhenlin
LI Haixin
JIANG Fengchun
Effect of additive manufacturing process and heat treatment on microstructure and properties of Ti-6Al-4V alloy
Journal of Aeronautical Materials
additive manufacturing
ti-6al-4v alloy
process parameters
heat treatment
microstructure
performance
title Effect of additive manufacturing process and heat treatment on microstructure and properties of Ti-6Al-4V alloy
title_full Effect of additive manufacturing process and heat treatment on microstructure and properties of Ti-6Al-4V alloy
title_fullStr Effect of additive manufacturing process and heat treatment on microstructure and properties of Ti-6Al-4V alloy
title_full_unstemmed Effect of additive manufacturing process and heat treatment on microstructure and properties of Ti-6Al-4V alloy
title_short Effect of additive manufacturing process and heat treatment on microstructure and properties of Ti-6Al-4V alloy
title_sort effect of additive manufacturing process and heat treatment on microstructure and properties of ti 6al 4v alloy
topic additive manufacturing
ti-6al-4v alloy
process parameters
heat treatment
microstructure
performance
url http://jam.biam.ac.cn/article/doi/10.11868/j.issn.1005-5053.2022.000064
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AT guochunhuan effectofadditivemanufacturingprocessandheattreatmentonmicrostructureandpropertiesofti6al4valloy
AT dongtao effectofadditivemanufacturingprocessandheattreatmentonmicrostructureandpropertiesofti6al4valloy
AT yangzhenlin effectofadditivemanufacturingprocessandheattreatmentonmicrostructureandpropertiesofti6al4valloy
AT lihaixin effectofadditivemanufacturingprocessandheattreatmentonmicrostructureandpropertiesofti6al4valloy
AT jiangfengchun effectofadditivemanufacturingprocessandheattreatmentonmicrostructureandpropertiesofti6al4valloy