2024-03-29T14:19:48Z
https://kitami-it.repo.nii.ac.jp/oai
oai:kitami-it.repo.nii.ac.jp:00008034
2022-12-13T02:21:31Z
1:86
Numerical Modeling of Dislocation-Grain Boundary Interaction and Continuum Mechanics Analyses for Mechanical Properties of Fine Grained Metals
Ohashi, Tetsuya
Tsugawa, Ryota
Ogasawara, Tomotaka
open access
Crystal Plasticity
Dislocation Dynamics Simulation
Dislocation Source
Finite Element Model (FEM)
Grain Boundary
Macroscopic mechanical response of metal polycrystal with mean grain diameter of 0.2 to 5 microns are simulated by a strain gradient crystal plasticity software code which incorporates some phenomenological models for dislocation accumulation and annihilation, as well as dislocation-grain boundary interactions. Obtained results of macroscopic stress-strain relation show significant increase of yield stress and strain hardening ratio for fine grained specimens.
Trans Tech Publications
2008
eng
journal article
AM
https://kitami-it.repo.nii.ac.jp/records/8034
http://doi.org/10.4028/www.scientific.net/MSF.584-586.1063
Materials Science Forum
584-586
1063
1068
https://kitami-it.repo.nii.ac.jp/record/8034/files/No10.pdf
application/pdf
249.4 kB
2016-11-22