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Grain morphology transition and its effect on the mechanical properties of laser additive manufactured TiZrVNbAl lightweight high-entropy alloy

  • Beijing Institute of Technology

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Laser additive manufacturing (AM) attracts great attention for its capacity of complex geometry fabrication and multiple microstructure control. This study investigates the columnar to equiaxed grain transition and its effect on the mechanical property of laser additive manufactured TiZrVNbAl lightweight high-entropy alloy (HEA). The columnar to equiaxed grain transition could occur and the equiaxed grain size could be refined to about 55 μm when the scanning line distance was increased. The fine equiaxed grain was beneficial to increase the strength and work hardening rate, which is related to the inhibition effect of the grain boundary on the dislocation slip.

源语言英语
主期刊名Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology, MMEAT 2023
编辑Huajun Dong, Hailiang Yu
出版商SPIE
ISBN(电子版)9781510668584
DOI
出版状态已出版 - 2023
活动9th International Conference on Mechanical Engineering, Materials, and Automation Technology, MMEAT 2023 - Dalian, 中国
期限: 9 6月 202311 6月 2023

出版系列

姓名Proceedings of SPIE - The International Society for Optical Engineering
12801
ISSN(印刷版)0277-786X
ISSN(电子版)1996-756X

会议

会议9th International Conference on Mechanical Engineering, Materials, and Automation Technology, MMEAT 2023
国家/地区中国
Dalian
时期9/06/2311/06/23

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