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Validation of homogeneous anisotropic hardening approach based on crystal plasticity SCIE SCOPUS

Title
Validation of homogeneous anisotropic hardening approach based on crystal plasticity
Authors
Jeong, YBarlat, FTomé, CWen, W.
Date Issued
2016-10
Publisher
AIP
Abstract
The current study investigates constitutive models at two different scales: 1) the micromechanical crystal plasticity framework using a dislocation density-based hardening model [1, 2]; 2) macroscale constitutive model based on a yield function that evolves according to the homogeneous anisotropic hardening (HAH) model [3, 4]. The polycrystalline aggregate, tuned for a low-carbon steel, is used to calculate the evolution of the yield surface during monotonic uniaxial tension. The results of the crystal plasticity model are used to train the anisotropic yield function and HAH parameters to demonstrate the flexibility of the macroscale constitutive approach. Through comparison between the two models, an improved rule for the HAH model is suggested.
URI
https://oasis.postech.ac.kr/handle/2014.oak/37947
DOI
10.1063/1.4963544
ISSN
0094-243X
Article Type
Article
Citation
AIP Conference Proceedings, vol. 1769, no. 1, page. 1 - 6, 2016-10
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BARLAT FREDERIC GERARDBARLAT, FREDERIC GERARD
Ferrous & Energy Materials Technology
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