A review on microstructures and properties of high entropy alloys manufactured by selective laser melting

Chen Zhang; Junkai Zhu; Huai Zheng; Hui Li; Sheng Liu; Gary J Cheng

doi:10.1088/2631-7990/ab9ead

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Volume 2 Issue 3

Jun. 2020

Article Contents

Article Navigation > International Journal of Extreme Manufacturing > 2020 > 2(3): 032003

Zhang C, Zhu J K, Zheng H, Li H, Liu S. Cheng G J. 2020. A review on microstructures and properties of high entropy alloys manufactured by selective laser melting. Int. J. Extrem. Manuf. 2, 032003.

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Zhang C, Zhu J K, Zheng H, Li H, Liu S. Cheng G J. 2020. A review on microstructures and properties of high entropy alloys manufactured by selective laser melting. Int. J. Extrem. Manuf. 2, 032003.

A review on microstructures and properties of high entropy alloys manufactured by selective laser melting

doi: 10.1088/2631-7990/ab9ead

Chen Zhang¹,
Junkai Zhu¹,
Huai Zheng^{2
,
,},
Hui Li^1,2,
Sheng Liu ^{1,2
,
,},
Gary J Cheng³

More Information

1 The Institute of Technological Sciences, Wuhan University, Wuhan 430072, People's Republic of China;
2 School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, People's Republic of China;
3 School of Industrial Engineering, Purdue University, West Lafayette, IN 47906, United States of America

Publish Date: 2020-06-23

Abstract

High entropy alloys (HEAs) with multi-component solid solution microstructures have the potential for large-scale industrial applications due to their excellent mechanical and functional properties. However, the mechanical properties of HEAs limit the selection of processing technologies. Additive manufacturing technology possesses strong processing adaptability, making itthe best candidate method to overcome this issue. This comprehensive review examines the current state of selective laser melting (SLM) of HEAs. Introducing SLM to HEAs processing is motivated by its high quality for dimensional accuracy, geometric complexity, surface roughness, and microstructure. This review focuses on analyzing the current developments and challenges in SLM of HEAs, including defects, microstructures, and properties, as well as strengthing prediction models of fabricated HEAs. This review also offers directions for future studies to address existing challenges and promote technological advancement.
Keywords

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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A review on microstructures and properties of high entropy alloys manufactured by selective laser melting

doi: 10.1088/2631-7990/ab9ead

1 The Institute of Technological Sciences, Wuhan University, Wuhan 430072, People's Republic of China;

2 School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, People's Republic of China;

3 School of Industrial Engineering, Purdue University, West Lafayette, IN 47906, United States of America

Publish Date: 2020-06-23

Key words:

Abstract:

High entropy alloys (HEAs) with multi-component solid solution microstructures have the potential for large-scale industrial applications due to their excellent mechanical and functional properties. However, the mechanical properties of HEAs limit the selection of processing technologies. Additive manufacturing technology possesses strong processing adaptability, making itthe best candidate method to overcome this issue. This comprehensive review examines the current state of selective laser melting (SLM) of HEAs. Introducing SLM to HEAs processing is motivated by its high quality for dimensional accuracy, geometric complexity, surface roughness, and microstructure. This review focuses on analyzing the current developments and challenges in SLM of HEAs, including defects, microstructures, and properties, as well as strengthing prediction models of fabricated HEAs. This review also offers directions for future studies to address existing challenges and promote technological advancement.