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Author:

Cheng, Wei (Cheng, Wei.) | Ji, Lingfei (Ji, Lingfei.) (Scholars:季凌飞) | Zhang, Litian (Zhang, Litian.) | Wang, Hao (Wang, Hao.) | Sun, Weigao (Sun, Weigao.)

Indexed by:

EI Scopus SCIE

Abstract:

Refractory high-entropy alloys (RHEAs) have attracted widespread attention in recent years as multi-component alloys applied to high-temperature fields. High melting point ele-ments endow special microstructures and properties to RHEAs, which differ from those of conventional alloys and pose a challenge to conventional fabricating technologies. Laser fabrication technologies are attractive in fabricating RHEAs since a high-power density laser beam can be used as a controllable heat source to quickly melt refractory elements and then followed by rapid cooling and solidification to optimize the dependent properties. This paper reviews recent research progress in the fabricating process and the influence of processing on microstructural evolution and phase formation of laser-fabricated RHEAs, aiming to address the use of laser technologies for improving room temperature and high -temperature properties of RHEAs, thereby providing a reference for research community. The current methods of laser fabricating RHEAs, namely selective laser melting, laser metal deposition and laser cladding, are first introduced, and then the relationships between chemical composition, microstructure and properties of RHEAs are analyzed from exper-imental and simulation perspectives. In addition, the microhardness, oxidation resistance, wear resistance, corrosion resistance, irradiation resistance, and biocompatibility of laser fabricated RHEAs are discussed. Finally, the critical challenges and opportunities for laser fabricating RHEAs in the research field are highlighted, based on the research perspective of this topic.& COPY; 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

Keyword:

Refractory High entropy alloys Laser technologies Microstructure Properties

Author Community:

  • [ 1 ] [Cheng, Wei]Beijing Univ Technol, Inst Laser Engn, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 2 ] [Ji, Lingfei]Beijing Univ Technol, Inst Laser Engn, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 3 ] [Zhang, Litian]Beijing Univ Technol, Inst Laser Engn, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 4 ] [Wang, Hao]Beijing Univ Technol, Inst Laser Engn, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 5 ] [Sun, Weigao]Beijing Univ Technol, Inst Laser Engn, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 6 ] [Cheng, Wei]Minist Educ, Key Lab Transscale Laser Mfg Technol, Beijing 100124, Peoples R China
  • [ 7 ] [Ji, Lingfei]Minist Educ, Key Lab Transscale Laser Mfg Technol, Beijing 100124, Peoples R China
  • [ 8 ] [Zhang, Litian]Minist Educ, Key Lab Transscale Laser Mfg Technol, Beijing 100124, Peoples R China
  • [ 9 ] [Wang, Hao]Minist Educ, Key Lab Transscale Laser Mfg Technol, Beijing 100124, Peoples R China
  • [ 10 ] [Sun, Weigao]Minist Educ, Key Lab Transscale Laser Mfg Technol, Beijing 100124, Peoples R China
  • [ 11 ] [Cheng, Wei]Beijing Engn Res Ctr Laser Appl Technol, Beijing 100124, Peoples R China
  • [ 12 ] [Ji, Lingfei]Beijing Engn Res Ctr Laser Appl Technol, Beijing 100124, Peoples R China
  • [ 13 ] [Zhang, Litian]Beijing Engn Res Ctr Laser Appl Technol, Beijing 100124, Peoples R China
  • [ 14 ] [Wang, Hao]Beijing Engn Res Ctr Laser Appl Technol, Beijing 100124, Peoples R China
  • [ 15 ] [Sun, Weigao]Beijing Engn Res Ctr Laser Appl Technol, Beijing 100124, Peoples R China

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Source :

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T

ISSN: 2238-7854

Year: 2023

Volume: 24

Page: 7497-7524

6 . 4 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 35

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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