AUTHOR=Chen Yang , Xie Baobin , Liu Bin , Cao Yuankui , Li Jia , Fang Qihong , Liaw Peter K. TITLE=A Focused Review on Engineering Application of Multi-Principal Element Alloy JOURNAL=Frontiers in Materials VOLUME=8 YEAR=2022 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2021.816309 DOI=10.3389/fmats.2021.816309 ISSN=2296-8016 ABSTRACT=

Compared with traditional alloys with one principal component up to 40–90%, multi-principal element alloys (MPEAs) were born in the complicated intermingling of traditional and non-traditional physical metallurgy, and brings us a great amount of excellent performances. Here, we would briefly summarize the potential applications in some key areas, which is helpful for latecomers to quickly and comprehensively understand this new alloy system. Especially, the applications of MPEAs in aerospace, industrial equipment, national defense, energy, navigation and so on are discussed roughly. Subsequently, several emerging areas have also been compared. Finally, some suggestions are given for the future development trend.