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@ARTICLE{Fleck:862187,
author = {Fleck, M. and Ta, N. and Yin, Xiaoyan and Wang, Kai and
Hüter, Claas},
title = {{E}lastically {I}nduced {P}attern {F}ormation in the
{I}nitial and {F}rustrated {G}rowth {R}egime of {B}ainitic
{S}ubunits},
journal = {AIMS Materials Science},
volume = {6},
number = {1},
issn = {2372-0484},
address = {Springfield, Mo.},
publisher = {AIMS Press},
reportid = {FZJ-2019-02535},
pages = {52 - 62},
year = {2019},
abstract = {We present analytical and numerical results for the
dominant mechanisms of pattern selection in two growth
regimes which are crucial in elastically influenced
solid-solid transformations like the bainitic one. The first
growth regime comprises the very early regime, when in a
nucleation scenario the size of the nucleus is so small that
the bulk crystal structure is typically not yet fully
developed and the phase is elastically softened. Here we see
a dominant effect of curvature effects in analogy to the
theory on growth of lenticular melt inclusions. The second
growth regime is of specific interest to bainitic steels.
During the bainitic reaction subunits form, grow up to a
point where the thermodynamic driving force is kinetically
overcome by a deformation-induced growth barrier, stop
growth and then nucleate new subunits. Thus, the regime
prior to the new subunit nucleation corresponds to the
limiting case of vanishing growth velocity. For both,
analytical and numerical approach, we use sharp interface
descriptions of the problem, for the numerical approach we
invoke a representation of the problem in terms of boundary
integral equations.},
cin = {IEK-2},
ddc = {620},
cid = {I:(DE-Juel1)IEK-2-20101013},
pnm = {111 - Efficient and Flexible Power Plants (POF3-111)},
pid = {G:(DE-HGF)POF3-111},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000460760700005},
doi = {10.3934/matersci.2019.1.52},
url = {https://juser.fz-juelich.de/record/862187},
}