Self-consistent modelling of TWIP steel during uniaxial tensile loading



Publication Details

Saleh, A., Pereloma, E. V. & Gazder, A. A. (2014). Self-consistent modelling of TWIP steel during uniaxial tensile loading. Materials Science Forum, 783-786 (May), 732-737.


The Visco-Plastic (VPSC) and Elasto-Plastic (EPSC) Self-Consistent models were applied to simulate the macroscopic stress-strain response and the evolution of crystallographic texture during the tensile loading of a fully annealed Fe-24Mn-3Al-2Si-1Ni-0.06C TWIP steel. Bulk texture measurements acquired by X-ray diffraction were used to validate the modelling results. Various modelling constructs were employed to assess the contribution of twinning and latent hardening to the texture evolution. The simulations revealed the dominant role of perfect slip and the limited effect of twinning on texture development as well as a possible role for latent hardening. Comparison between the texture predictions of the VPSC and EPSC models underscored the correlation between the latent hardening effects and the employed grain interaction scheme.

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