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@ARTICLE{Kim:838095,
author = {Kim, Jin-Kyung and Jin, Lei and Sandlöbes, Stefanie and
Raabe, Dierk},
title = {{D}iffusional-displacive transformation enables formation
of long-period stacking order in magnesium},
journal = {Scientific reports},
volume = {7},
number = {1},
issn = {2045-2322},
address = {London},
publisher = {Nature Publishing Group},
reportid = {FZJ-2017-06813},
pages = {4046},
year = {2017},
abstract = {Mg is the most important lightweight engineering alloy
enabling future weight-reduced and fuel-saving engineering
solutions. Yet, Mg is soft. Long-period stacking ordered
(LPSO) structures in Mg alloys have unique crystal
structures, characterized by both complex chemical and
stacking order. They are essential for strengthening of Mg
alloys. The formation mechanism of these LPSO structures is
still under discussion. Here we report that Y/Zn enriched
Guinier-Preston (GP) zones observed in a lean Mg-Y-Zn model
alloy are precursors of early stage LPSO structures. We
provide evidence of a new type of phase transformation
mechanism which comprises the diffusional formation of Y/Zn
enriched GP zones and their subsequent shear transformation
into LPSO building blocks. The mechanism constitutes a new
type of coupled diffusional-displacive phase formation
sequence which may also be applicable to other alloy
systems.},
cin = {ER-C-1 / PGI-5},
ddc = {000},
cid = {I:(DE-Juel1)ER-C-1-20170209 / I:(DE-Juel1)PGI-5-20110106},
pnm = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
pid = {G:(DE-HGF)POF3-143},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000403874900029},
doi = {10.1038/s41598-017-04343-y},
url = {https://juser.fz-juelich.de/record/838095},
}