Prediction of necking in HCP sheet metals using a two-surface plasticity model
نویسندگان
چکیده
منابع مشابه
A new constitutive model for HCP metals
This paper develops a new constitutive model for HCP metals subjected to high strain, high strain rate and high temperature based on the theory of thermally activated dislocation motion in crystal materials. The constitutive parameters of the material are determined by a new efficient method composed of a global genetic algorithm and a local penalty-function algorithm, which guarantees that the...
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ژورنال
عنوان ژورنال: International Journal of Plasticity
سال: 2020
ISSN: 0749-6419
DOI: 10.1016/j.ijplas.2019.102641