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Perspective on industrial applications and research progress of high-entropy alloys
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Affiliation:

1.State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing;2.School of Materials Science and Engineering, Xi’an Shiyou University;3.China Nuclear Power Technology Research Institute;4.Science and Technology on Plasma Dynamics Laboratory, Air Force Engineering University

Clc Number:

TG 430.40

Fund Project:

Fund for Creative Research Groups of National Nature Science Foundation of China

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    Abstract:

    High-entropy alloys, which usually composed of 4 or more elements in equiatomic or near equiatomic ratio with a solid solution structures, have emerged as a new kind of metallic materials for a recent decade. The proposed philosophy of high-entropy alloys has broken through the paradigm of traditional alloy design and largely expanded the scope of alloy exploration. Meanwhile, high-entropy alloys exhibit several unique properties, such as high strength and hardness, unusual low-temperature toughness, high corrosion resistance and radiation resistance, due to the large lattice distortion, high mixing entropy, slow diffusion of atoms and cocktail effects. In this paper, we made a brief summary of the present research on high-entropy alloys, and discussed the potential applications of high-entropy alloys in extreme environments as new-emerged structural materials. In particular, the possibility of high-entropy alloys used in the key components of petroleum industries, e.g. drill pipe joint belt, bushing and high-performance riser, etc., was emphatically analyzed.

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[LU Yidi, ZHANG Xiaoyong, HOU Shuo, HE Weifeng, WANG Hui, LU Zhaoping. Perspective on industrial applications and research progress of high-entropy alloys[J]. Rare Metal Materials and Engineering,2021,50(1):333~341.]
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History
  • Received:July 08,2020
  • Revised:August 02,2020
  • Adopted:August 05,2020
  • Online: February 05,2021
  • Published: