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@ARTICLE{Tehranchi:1024358,
author = {Tehranchi, A. and Lipinska-Chwalek, M. and Mayer, Joachim
and Neugebauer, J. and Hickel, T.},
title = {{P}hase stability and defect studies of {M}g-based {L}aves
phases using defect phase diagrams},
journal = {Phase stability and defect studies of Mg-based Laves phases
using defect phase diagrams},
volume = {2023},
number = {03},
publisher = {arXiv},
reportid = {FZJ-2024-02114},
pages = {09576v1},
year = {2023},
abstract = {Laves phases often form as secondary phases in metallic
alloys and have a significant effect on their structural
properties. Thus, phase stability studies for these
chemically and structurally complex phases in addition to
mechanical behavior studies are of great interest. In this
work, we use the concept of metastable bulk phase and defect
phase diagrams to augment the understanding of the bulk
phase and defect phase stability in Laves phases in Mg-based
alloys. In this way, we resolve the discrepancy between bulk
phase diagrams and experimental observations regarding the
formation of Mg-rich C14 and Al-rich C15 Laves phases in
MgAlCa alloys at moderate temperatures. Moreover, the effect
of the thermodynamic state of alloys on the competition
between solute-rich hcp-like planar defects and
stoichiometric basal stacking faults is clarified, which
determines the brittleness of these alloys.
$\end{abstract}$},
keywords = {Materials Science (cond-mat.mtrl-sci) (Other) / FOS:
Physical sciences (Other)},
cin = {ER-C-1 / ER-C-2},
cid = {I:(DE-Juel1)ER-C-1-20170209 / I:(DE-Juel1)ER-C-2-20170209},
pnm = {5351 - Platform for Correlative, In Situ and Operando
Characterization (POF4-535) / 5353 - Understanding the
Structural and Functional Behavior of Solid State Systems
(POF4-535) / SFB 1394 A03 - Korrelative Struktur-, Chemie-
und Bindungs-Charakterisierung von 1D und 2D Defektphasen
(A03) (437411567) / SFB 1394 A06 - Effiziente und hochgenaue
interatomare Potentiale für die Simulation von Defektphasen
(A06) (437413387) / SFB 1394 C05 - Ab initio Thermodynamik
von Defektphasen (C05) (437516137)},
pid = {G:(DE-HGF)POF4-5351 / G:(DE-HGF)POF4-5353 /
G:(GEPRIS)437411567 / G:(GEPRIS)437413387 /
G:(GEPRIS)437516137},
typ = {PUB:(DE-HGF)25},
doi = {10.48550/arXiv.2303.09576},
url = {https://juser.fz-juelich.de/record/1024358},
}