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HERO ID
5074320
Reference Type
Journal Article
Title
Thermodynamic investigation of the Al-Fe-Mn system over the whole composition and wide temperature ranges
Author(s)
Zheng, W; Mao, H; Lu, XG; He, Y; Li, Lin; Selleby, M; Agren, J
Year
2018
Is Peer Reviewed?
Yes
Journal
Journal of Alloys and Compounds
ISSN:
0925-8388
Volume
742
Page Numbers
1046-1057
DOI
10.1016/j.jallcom.2018.01.291
Web of Science Id
WOS:000427505800124
Abstract
The Al-Fe-Mn system is a core system for both aluminum alloys and lightweight steels. In the present work its phase relations were studied over the entire composition range between RT and well above the melting temperature using the CALPHAD method. For the first time the stable gamma 1 phase and the meta-stable 4 phase were successfully introduced into the description of the Al-Mn binary system. The wide solubility ranges of the third element in the binary intermetallic compounds, such as Al6Mn, Al13Fe4, gamma 1 and gamma 2, were reproduced satisfactorily. The ternary phases, i.e. phi, zeta and D3, were reasonably well described using compound energy models. Moreover, the phase equilibria between the bcc, fcc and beta-Mn phases in the Fe-Mn rich part were well predicted using the present description. (C) 2018 Elsevier B.V. All rights reserved.
Keywords
Al-Mn; Al-Fe-Mn; Thermodynamic modeling; gamma 1; phi; CALPHAD
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