Fatigue behavior of high-entropy alloys: A review

查看全文 作　　者：CHEN [1]PeiYong;LEE [1]Chanho;WANG Shao-[1]Yu;SEIFI [2]Mohsen;LEWANDOWSKI John [2]J;DAHMEN Karin [3]A;JIA [1]HaoLing;XIE [1]Xie;CHEN [1]BiLin;YEH Jien-[4]Wei;TSAI Che-[4]Wei;YUAN [5]Tao;LIAW Peter [1]K

机构地区：[1]Department of Materials Science and Engineering, The University of Tennessee,Knoxville 37996,USA;[2]Department of Materials Science and Engineering, Case Western University,Cleveland 44106,USA;[3]Department of Physics, University of Illinois,Urbana 61801,USA;[4]Department of Materials Science and Engineering, 'National' Tsing Hua University,Hsinchu 30013,Taiwan,China;[5]Department of Industry and System Engineering, Ohio University,Athens 45701,USA

出　　处：《Science China(Technological Sciences)》索引2018年第61卷第2期,共11页

基　　金：supported by the Department of Energy(DOE),Office of Fossil Energy,National Energy Technology Laboratory(Grant No.DE-FE-0024054,DE-FE-0011194);the U.S.Army Research Office Project(Grant No.W911NF-13-1-0438);the National Science Foundation(DMR-1611180);the QuesTek Innovation LLC(limited liability company);the Ministry of Science and Technology of Taiwan(Grant No.MOST105-2221-E-007-017-MY3);the Department of Materials Science and Engineering at the National Tsing Hua University(Taiwan);the School of Materials Science and Engineering of the Dalian University of Technology,China 摘　　要：Fatigue failures cost approximately 4% of the United States' gross domestic product(GDP). The design of highly fatigue-resistant materials is always in demand. Different from conventional strategies of alloy design, high-entropy alloys(HEAs) are defined as materials with five or more principal elements, which could be solid solutions. This locally-disordered structure is expected to lead to unique fatigue-resistant properties. In this review, the studies of the fatigue behavior of HEAs during the last five years are summarized. The four-point-bending high-cycle fatigue coupled with statistical modelling, and the fatigue-crack-growth behavior of HEAs, are reviewed. The effects of sample defects and nanotwins-deformation mechanisms on four-point-bending high-cycle fatigue of HEAs are discussed in detail. The influence of stress ratio and temperature on fatigue-crack-growth characteristics of HEAs is also discussed. HEAs could exhibit comparable or greater fatigue properties, relative to conventional materials. Finally,the possible future work regarding the fatigue behavior of HEAs is suggested. 关键词：疲劳行为合金设计评论熵疲劳性质 HEA 国内产品统计建模

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Fatigue behavior of high-entropy alloys: A review

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