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Proceedings Paper

Process study and characterization of properties of FerCrNiMnCo high-entropy alloys fabricated by laser-aided additive manufacturing
Author(s): Guijun Bi; Youxiang Chew; Fei Weng; Zhiguang Zhu ; Fern Lan Ng; Bing Yang Lee
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Paper Abstract

Laser aided additive manufacturing (LAAM) was used to prepare FeCrNiMnCo high entropy alloy (HEA) with pre-alloyed powders. The microstructure and properties of the HEA were investigated intensively, especially the cryogenic mechanical properties. The microstructure of the as deposited specimen was dense and occupied by cellular and dendrite grains. The tensile strength and yield strength increased with temperature decreasing from 25°C to -130 °C, yet the impact toughness decreased. The deformation mechanism of the HEA under low temperature was discussed accordingly.

Paper Details

Date Published: 12 November 2018
PDF: 10 pages
Proc. SPIE 10813, Advanced Laser Processing and Manufacturing II, 108130V (12 November 2018); doi: 10.1117/12.2502272
Show Author Affiliations
Guijun Bi, Singapore Institute of Manufacturing Technology (Singapore)
Youxiang Chew, Singapore Institute of Manufacturing Technology (Singapore)
Fei Weng, Singapore Institute of Manufacturing Technology (Singapore)
Zhiguang Zhu , Singapore Institute of Manufacturing Technology (Singapore)
Fern Lan Ng, Singapore Institute of Manufacturing Technology (Singapore)
Bing Yang Lee, Singapore Institute of Manufacturing Technology (Singapore)


Published in SPIE Proceedings Vol. 10813:
Advanced Laser Processing and Manufacturing II
Rongshi Xiao; Minghui Hong; Jian Liu, Editor(s)

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