Constitutive Equation of TRIP Steel Based on Continuum Crystal Plasticity and Computational Simulation on Pattern Formation of Martensitic Phase by Finite Element Method with Cellular Automata

Decomposition of Deformation Gradient

Constitutive equation based on continuum crystal plasticity

Asaro's model for transformation strain rate

Transformation condition proposed by Kitajima et al.(2002)

Computational model of single crystal TRIP steel and definition of initial orientation of slip system

Stress - strain and volume fraction of martensite - strain curves with different initial orientation of slip system

Distribution of martensitic phase and equivalent plastic strain in the case of phi = 30 [deg]

Computational model of polycrystal TRIP steel by Voronoi tessellation

Stress - strain and volume fraction of martensite - strain curves with different number of grain

Stress - strain and volume fraction of martensite - strain curves with different initial orientation of slip system in the case of 6 grains

Distribution of martensitic phase and equivalent plastic strain in the case of 6 grains

Distribution of martensitic phase and equivalent plastic strain in the case of 20 grains

Go Iwamoto's HP!!