Strain rate effects at tensile loading of single crystal Cu nano-wires

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Sammanfattning

It is well-known and experimentally conrmed that the mechanical re-
sponse to loading of small enough structures diers from what applies to the
macro-scale. This is valid for structures of linear measures at the nano-scale,
typically below about 50nm. In addition to pure size eects also the crys-
tallographic orientation becomes important at this scale. This study demon-
strates the mechanical response to displacement controlled tensile loading of
solid nano-sized fcc single-crystal Cu beams of square shaped cross sections.
The investigation was performed through 3D molecular dynamic simulations
using the free-ware LAMMPS. Two dierent crystal orientations and dier-
ent loading rates were considered. Deformations and stress-strain curves were
obtained and the necking behavior was studied in detail.
Originalspråkengelska
Sidor282-295
Antal sidor15
StatusPublished - 2017
EvenemangInternational Summer School-Conference “Advanced Problems in Mechanics” - St. Petersburg, Ryssland
Varaktighet: 2017 juni 222017 juni 27
Konferensnummer: XLW
http://apm-conf.spb.ru/

Konferens

KonferensInternational Summer School-Conference “Advanced Problems in Mechanics”
Förkortad titelAPM
Land/TerritoriumRyssland
OrtSt. Petersburg
Period2017/06/222017/06/27
Internetadress

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