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@ARTICLE{Gola:907236,
author = {Gola, Adrien and Schwaiger, Ruth and Gumbsch, Peter and
Pastewka, Lars},
title = {{P}attern {F}ormation {D}uring {D}eformation of {M}etallic
{N}anolaminates},
journal = {Physical review materials},
volume = {4},
number = {1},
issn = {2475-9953},
address = {College Park, MD},
publisher = {APS},
reportid = {FZJ-2022-01915},
pages = {013603},
year = {2020},
abstract = {We used nonequilibrium molecular dynamics simulations to
study the shear deformation of metallic composites composed
of alternating layers of Cu and Au. Our simulations reveal
the formation of “vortices” or “swirls” if the
bimaterial interfaces are atomically rough and if none of
the {111} planes that accommodate slip in fcc materials are
exactly parallel to this interface. We trace the formation
of these patterns back to grain rotation, induced by
hindering dislocations from crossing the bimaterial
interface. The instability is accompanied by shear softening
of the material. These calculations shed light on recent
observations of pattern formation in plastic flow,
mechanical mixing of materials, and the common formation of
a tribomutation layer in tribologically loaded systems.},
cin = {IEK-2 / NIC},
ddc = {530},
cid = {I:(DE-Juel1)IEK-2-20101013 / I:(DE-Juel1)NIC-20090406},
pnm = {1241 - Gas turbines (POF4-124)},
pid = {G:(DE-HGF)POF4-1241},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000506617300001},
doi = {10.1103/PhysRevMaterials.4.013603},
url = {https://juser.fz-juelich.de/record/907236},
}