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Microstructural modelling of dual-phase steelsthrough polycrystalline plasticity at RVE level

Güngör, Gönül Öykü
In this work the plasticity, localization and the damage behavior of dual phase steels are investigated through both J2 and crystal plasticity frameworks. For this purpose, Voronoi based Representative Volume Elements (RVE) are created with different martensite volume fractions, which are studied at different constant triaxiality values. The micromechanical and the macroscopic constitutive responses are analyzed in detail for considering various loading conditions and microstructural parameters. The results are discussed in comparison to the ones in the literature and the work is concluded with remarks and outlook.