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Tuning the mechanical properties of Fex(CoMoNi)100-x high-entropy alloys via controlled formation of hard μ phase
Cheng, Zhuo1; Zhu, Weiwei1,2; Yang, Lu1; Zhao, Cancan1; Wei, Pengbo1,3; Ren, Fuzeng1
2020-01-31
Source PublicationMaterials Science and Engineering: A
ISSN0921-5093
Volume773
Abstract

Single-phase face-centered cubic (fcc) high-entropy alloys (HEAs) exhibits outstanding ductility but low strength, which hinders their practical applications. To overcome this dilemma, we propose a strategy to achieve an excellent combination of high compressive strength and failure strain via controlled formation of hard intermetallic compound in HEAs. Specifically, we vary the Fe content in FeCoMoNi HEAs to control the relative content of μ phase embedded within the ductile fcc matrix and achieve a yield strength of 1877 MPa and an appreciable fracture strain of ~40% in FeCoMoNi HEA. The present work provides deep insight into the design of high-performance HEAs.

KeywordHigh-entropy Alloys Intermetallic Compound Mechanical Properties
DOI10.1016/j.msea.2019.138881
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000513985200039
PublisherELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND
Scopus ID2-s2.0-85077491341
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Cited Times [WOS]:4   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorRen, Fuzeng
Affiliation1.Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
2.Institute of Applied Physics and Materials Engineering, Faculty of Science & Technology, University of Macau, Macau, China
3.Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
Recommended Citation
GB/T 7714
Cheng, Zhuo,Zhu, Weiwei,Yang, Lu,et al. Tuning the mechanical properties of Fex(CoMoNi)100-x high-entropy alloys via controlled formation of hard μ phase[J]. Materials Science and Engineering: A,2020,773.
APA Cheng, Zhuo,Zhu, Weiwei,Yang, Lu,Zhao, Cancan,Wei, Pengbo,&Ren, Fuzeng.(2020).Tuning the mechanical properties of Fex(CoMoNi)100-x high-entropy alloys via controlled formation of hard μ phase.Materials Science and Engineering: A,773.
MLA Cheng, Zhuo,et al."Tuning the mechanical properties of Fex(CoMoNi)100-x high-entropy alloys via controlled formation of hard μ phase".Materials Science and Engineering: A 773(2020).
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