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@ARTICLE{Wang:884734,
author = {Wang, Kai and Weikamp, Marc and Lin, Mingxuan and
Zimmermann, Carina and Schwaiger, Ruth and Prahl, Ulrich and
Hunkel, Martin and Spatschek, Robert},
title = {{I}nfluence of interface proximity on precipitation
thermodynamics},
journal = {Metals},
volume = {10},
number = {10},
issn = {2075-4701},
address = {Basel},
publisher = {MDPI},
reportid = {FZJ-2020-03228},
pages = {1292 -},
year = {2020},
abstract = {The formation of coherent precipitates is often accompanied
by large elastic mismatch stresses, which suppress phase
separation. We discuss the presence of interfaces as a
mechanism for stress relaxation, which can lead to preferred
zones of precipitation. In particular, we discuss the
proximity of free surfaces and shear-coupled grain
boundaries, for which we can obtain a substantial local
energy reduction and predict the influence on the local
precipitation thermodynamics. The latter case is accompanied
by morphological changes of the grain boundary, which are
less suitable for large-scale descriptions. For that
purpose, we develop an effective description through an
elastic softening inside the grain boundary and map the
microscopic grain boundary relaxation to a mesoscopic
elastic and phase field model, which also allows
generalizing the description to multi-phase situations.},
cin = {IEK-2 / JARA-ENERGY},
ddc = {530},
cid = {I:(DE-Juel1)IEK-2-20101013 / $I:(DE-82)080011_20140620$},
pnm = {113 - Methods and Concepts for Material Development
(POF3-113)},
pid = {G:(DE-HGF)POF3-113},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000586909000001},
doi = {10.3390/met10101292},
url = {https://juser.fz-juelich.de/record/884734},
}