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鲁一荻,张骁勇,侯硕,何卫锋,王辉,吕昭平.高熵合金的发展及工业应用展望[J].稀有金属材料与工程(英文),2021,50(1):333~341.[LU Yidi,ZHANG Xiaoyong,HOU Shuo,HE Weifeng,WANG Hui and LU Zhaoping.Perspective on industrial applications and research progress of high-entropy alloys[J].Rare Metal Materials and Engineering,2021,50(1):333~341.]
Perspective on industrial applications and research progress of high-entropy alloys
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Received:July 08, 2020  
DOI:
Key words: high-entropy alloys  industrial applications  prospective
Foundation item:国家自然科学基金面上项目(51174165, 51971017);陕西省自然科学(2018JM5076);西安石油大学“材料科学与工程”省级优势学科资助
Author NameAffiliation
LU Yidi,ZHANG Xiaoyong,HOU Shuo,HE Weifeng,WANG Hui and LU Zhaoping  
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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.