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Abstract
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.
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.
| Original language | English |
|---|---|
| Pages | 282-295 |
| Number of pages | 15 |
| Publication status | Published - 2017 |
| Event | International Summer School-Conference “Advanced Problems in Mechanics” - St. Petersburg, Russian Federation Duration: 2017 Jun 22 → 2017 Jun 27 Conference number: XLW http://apm-conf.spb.ru/ |
Conference
| Conference | International Summer School-Conference “Advanced Problems in Mechanics” |
|---|---|
| Abbreviated title | APM |
| Country/Territory | Russian Federation |
| City | St. Petersburg |
| Period | 2017/06/22 → 2017/06/27 |
| Internet address |
Subject classification (UKÄ)
- Mechanical Engineering
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Dive into the research topics of 'Strain rate effects at tensile loading of single crystal Cu nano-wires'. Together they form a unique fingerprint.Projects
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Modelling mechanical properties at nanoscale by molecular dynamics
Ahadi, A. (Researcher), Melin, S. (Researcher) & Hansson, P. (Researcher)
2017/02/01 → …
Project: Research