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A thermodynamic description of the Al-Cu-Fe-Mn system for an immiscible medium-entropy alloy design

Title
A thermodynamic description of the Al-Cu-Fe-Mn system for an immiscible medium-entropy alloy design
Authors
Do, H.-S.Moon, J.Kim, H.S.Lee, B.-J.
Date Issued
Dec-2020
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Abstract
A thermodynamic description of the Al-Cu-Fe-Mn quaternary system has been developed for the design of highstrength immiscible dual-phase medium-entropy alloys. A new thermodynamic assessment for the Al-Cu-Mn ternary sub-system is performed, covering the entire composition range. Thermodynamic parameters of B2 and AlCuFe_tau and phi phases in the Al-Cu-Fe ternary sub-system are also revised based on a previous description that used different constituent binary descriptions. The reliability of the developed thermodynamic description for the Al-Cu-Fe-Mn quaternary system is experimentally confirmed by designing, fabricating, and analysing the phase structures of Al-Cu-Fe-Mn medium-entropy alloys.
URI
http://oasis.postech.ac.kr/handle/2014.oak/104828
ISSN
0364-5916
Article Type
Article
Citation
CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY, vol. 71, 2020-12
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이병주LEE, BYEONG JOO
Dept of Materials Science & Enginrg
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