期刊
SCRIPTA MATERIALIA
卷 72-73, 期 -, 页码 5-8出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.09.030
关键词
Non-equiatomic; High-entropy alloy; Atom probe tomography; Ductility; ECCI
A non-equiatomic FeMnNiCoCr alloy is introduced and characterized at multiple scales employing various characterization techniques (e.g. atom probe tomography, electron channeling contrast imaging, electron backscatter diffraction, etc.) to elucidate (i) the role of configurational entropy and (ii) the intrinsic tensile ductility of high-entropy alloys. Results reveal that the new material is a true high-entropy alloy with a stable random solid solution despite its comparably low configurational entropy, and that it has excellent tensile ductility irrespective of the substantial lattice distortion. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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