期刊
INTERMETALLICS
卷 71, 期 -, 页码 76-87出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2015.12.011
关键词
Highentropy alloys; Alloy design; Phase stability; Prediction; Microstructure; Elastic properties; Solidsolution hardening
资金
- Accelerated Metallurgy Project - European Commission [NMP4-LA-2011-263206]
- European Space Agency
- EPSRC [EP/L025213/1] Funding Source: UKRI
Lattice distortion in high entropy alloys (HEAs) is one of their main crystallographic features. Its description is possible by means of unit cell parameter and bulk modulus variations of their constituent elements. The balance of forces acting on the lattice atoms under such distortion is related to the formation of a solid solution of a given crystal structure. This leads to the definition of a novel criterion for selecting HEA compositions. The main existing families of HEAs have been classified under this approach, in addition to an extensive list of multicomponent alloys including intermetallics and bulk metallic glasses. Criteria reported in the literature have been revised with the multicomponent alloy database used in this work which, together with the proposed approach, can be used to improve our understanding of HEAs formation. (C) 2016 Elsevier Ltd. All rights reserved.
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