Multiscale Modeling and Simulation of Crystal Plasticity Based on Dislocation Patterning in Polycrystal

Naoshi Yamaki; Yoshiteru Aoyagi; Kazuyuki Shizawa

doi:10.4028/www.scientific.net/KEM.340-341.205

Paper Titles

Forming Limits Prediction of FCC Sheet Metal Adopting Crystal Plasticity
p.179

High Density Bands of GN Dislocations Formed by Multi Body Interaction in Compatible Type Multi Crystal Models
p.187

Dependence of Localized Deformation on Point Defect Development Caused by Intersected Cross Slip among Dislocations
p.193

Crystal Plasticity Analysis of Dislocation Accumulation in ULSI Cells with Consideration of Temperature Dependence of the Lattice Friction Stress for Silicon
p.199

Multiscale Modeling and Simulation of Crystal Plasticity Based on Dislocation Patterning in Polycrystal
p.205

Effects of Crystallographic Texture on Plastic Flow Localization
p.211

New Physical Interpretation of Incompatibility and Application to Dislocation Substructure Evolution
p.217

Inspection and Model Experiment of a Damaged Arch Bridge
p.223

Destructive and Ultrasonic Investigations of Damage Development in Metallic Materials
p.229

HomeKey Engineering MaterialsKey Engineering Materials Vols. 340-341Multiscale Modeling and Simulation of Crystal...

Multiscale Modeling and Simulation of Crystal Plasticity Based on Dislocation Patterning in Polycrystal

Abstract:

A multiscale model on dislocation patterning of cell structure and subgrain for polycrystal is newly developed on the basis of reaction-diffusion theory. A FD simulation for dislocation patterning and a FE one for crystal deformation are simultaneously carried out for a FCC polycrystal at large strain. Reflecting stress value on stress-effect coefficients, it is numerically predicted that the evolution of dislocation pattern in a polycrystal is different in response to the stress condition of each grain.

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Periodical:

Key Engineering Materials (Volumes 340-341)

Pages:

205-210

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.340-341.205

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Online since:

June 2007

Authors:

Naoshi Yamaki, Yoshiteru Aoyagi, Kazuyuki Shizawa

Keywords:

Subgrains, Cell Structure, Crystal Plasticity, Dislocation Patterning, Multi-Scale Modelling, Polycrystal

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