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Research Progress and Prospects of Light-weight High-entropy Alloys
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1.National Engineering Research Center for Mechanical Product Remanufacturing,Academy of Army Armored Force;2.National Innovation Institute of Defense Technology,Academy of Military Sciences PLA China,Beijing

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    Abstract:

    High-entropy alloys(HEAs) were a new class of alloys that have attracted physical and chemical properties. The light-weight high-entropy alloys with light elements have high specific strength, specific hardness and corrosion resistance. Light-weight HEAs have attracted worldwide attention for their outstanding potential value in the field of engineering application. Therefore, in this paper, the research status of light-weight high-entropy alloys was elaborated, including that the design rules and methods of light-weight HEAs were assessed, the microscopic phase structure of lightweight HEAs were analyzed, and different properties of HEAs were summarized. Accordingly, current problems of light-weight HEAs are also discussed, and the development trend of light-weight HEAs is proposed.

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[Zhao Haichao, Liang Xiubing, Qiao Yulin, Chen Yongxiong, Hu Zhenfeng. Research Progress and Prospects of Light-weight High-entropy Alloys[J]. Rare Metal Materials and Engineering,2020,49(4):1457~1468.]
DOI:10.12442/j. issn.1002-185X.20181220

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History
  • Received:December 05,2018
  • Revised:February 22,2019
  • Adopted:March 14,2019
  • Online: May 07,2020
  • Published: