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作者:

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

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EI Scopus SCIE

摘要:

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/).

关键词:

Refractory High entropy alloys Laser technologies Microstructure Properties

作者机构:

  • [ 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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来源 :

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T

ISSN: 2238-7854

年份: 2023

卷: 24

页码: 7497-7524

6 . 4 0 0

JCR@2022

被引次数:

WoS核心集被引频次:

SCOPUS被引频次: 34

ESI高被引论文在榜: 0 展开所有

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