Metall. Res. Technol.
Volume 118, Number 3, 2021
|Number of page(s)||12|
|Published online||21 May 2021|
Sensitivity analysis, identification and validation of the dislocation density-based model for metallic materials
Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, al. Mickiewicza 30,
2Faculty of Applied Mathematics, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland
* e-mail: firstname.lastname@example.org
Accepted: 26 April 2021
Microstructure evolution model based on the differential equation describing evolution of dislocations was proposed. Sensitivity analysis was performed and parameters with the strongest influence on the output of the model were revealed. Identification of the model coefficients was performed for various metallic materials using inverse analysis for experimental data. The model was implemented in the finite element code and simulations of various hot forming processes were performed.
Key words: dislocation density / flow stress / identification / sensitivity analysis / finite element method
© EDP Sciences, 2021
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