Light-weight refractory high-entropy alloys: A comprehensive review  

作　　者：Zechun Wang Shiyao Chen Shenglan Yang Qun Luo Yancheng Jin Wei Xie Lijun Zhang Qian Li 

机构地区：[1]Materials Genome Institute,Shanghai University,Shanghai 200444,China [2]State Key Laboratory of Powder Metallurgy,Central South University,Changsha 410083,China [3]State Key Laboratory of Advanced Special Steels&Shanghai Key Laboratory of Advanced Ferrometallurgy,School of Materials Science and Engineering,Shanghai University,Shanghai 200444,China [4]National Engineering Research Center for Magnesium Alloys,Chongqing University,Chongqing 400044,China

出　　处：《Journal of Materials Science & Technology》2023年第20期41-65,共25页材料科学技术（英文版）

基　　金：Q.Li acknowledges National Natural Science Foundation of China(No.U2102212);L.Zhang acknowledges the Natural Science Foundation of Hunan Province for Distinguished Young Scholars(No.2021JJ10062);S.Chen acknowledges the Fundamental Research Funds for the Central Universities of Central South University(No.2019zzts486);S.Yang acknowledges the financial support from the Fundamental Research Funds for the Central Universities of Central South University(No.2019zzts050);Postgraduate Scientific Research Innovation Project of Hunan Province(No.CX20190106);Q.Luo acknowledges the Shanghai Rising-Star Program(No.21QA1403200);W.Xie.acknowledges the financial support of National Science Foundation of China(No.52003150);Eastern Young Scholar at Shanghai Institutions of Higher Learning(No.QD2019006).

摘　　要：In recent years,high-entropy alloys(HEAs)have become a research hotspot in materials community,and great progress has been made in exploring various high-performance HEAs.As a special class,the light-weight refractory high-entropy alloys(RHEAs)own both excellent high-temperature comprehensive properties and low density and have accordingly attracted more and more attention.In this paper,we presented a comprehensive review of the recent progress and status in light-weight RHEAs.Based on an exhausting search of the literature reports,one strategy in terms of phase numbers after preparation was first proposed to classify the light-weight RHEAs into three categories.Then,the status on the fundamental thermodynamic and thermophysical data/databases,computational approaches for alloy designing,and preparation/fabrication techniques of light-weight RHEAs was introduced one after another.After that,the progress on mechanical properties and oxidation/corrosion/wear behaviors of light-weight RHEAs at room and high temperatures was summarized.Finally,the conclusions of this review were drawn.By pointing out the shortcomings of the current research,the follow-up development directions in the field of light-weight RHEAs were also given.

关 键 词：Refractory high-entropy alloys Light weight Alloy design Mechanical property OXIDATION Corrosion 

分 类 号：TG139[一般工业技术—材料科学与工程]