@inproceedings{17451ac9361d42ccad1d575359c65256,
title = "Modeling and simulation of crystal plasticity based on GN crystal defects for ultrafine-grained metals induced by severe plastic deformation",
abstract = "In this study, we apply the densities of geometrically necessary (GN) crystal defects, i.e., GN dislocation and GN incompatibility considering dynamic recovery to tile hardening law of a crystal in order to express almost crystal defects as geometrical quantities. Moreover, the quantitative confirmation process of the generations of subdivisions is proposed, and the information of induced grain is introduced into the strain rate sensitivity. A dislocation-crystal plasticity FE simulation is carried out for large deformation of an FCC polycrystal under plane strain condition. Distributions of crystal defects and crystal orientation in a specimen are visualized and the separation of grains is discussed on the basis of the results obtained here.",
keywords = "Crystal plasticity, Dynamic recovery, Geometrically necessary dislocation density, Grain boundary, Incompatibility, Multiscale modeling, Subdivision",
author = "Shingo Oishi and Yoshiteru Aoyagi and Kazuyuki Shizawa",
year = "2006",
doi = "10.4028/0-87849-985-7.215",
language = "English",
isbn = "0878499857",
series = "Materials Science Forum",
publisher = "Trans Tech Publications Ltd",
pages = "215--220",
booktitle = "Nanomaterials by Severe Plastic Deformation, NanoSPD3 - Proceedings of the 3rd International Conference on Nanomaterials by Severe Plastics Deformation",
note = "3rd International Conference on Nanomaterials by Severe Plastics Deformation, NanoSPD3 ; Conference date: 22-09-2005 Through 26-09-2005",
}