"Microstructurally informed numerical simulation model to predict the Structure-Property relationship in TRIP Steel matrix and zirconia particle composites"
For these TRIP-matrix-composites, the macroscopic deformation is dependent on the microscopic behavior of each phase. Given an applied loading history, the local elastic and plastic anisotropy of differently oriented phases within the polycrystal leads to a variation in the micromechanical lattice response. Therefore, understanding the local micro-scale variation between different phases or lattices plays an important role in assessing and improving the performance of such materials. This work, it is intended to apply the constitutive modeling approach as implemented in the crystal plasticity code DAMASK. TRIP/TWIP model already develop by MPIE will be used to model the behavior of TRIPmatrix-composite. The advantage of using DAMASK is its ability to incorporate the realistic microstructure with grain orientations and detailed property definition of multiple phases present. Since the strength and formability behavior of the composites depends on that of the matrix, interface, and particles, it is important to evaluate the stress and strain states of each constituent phase during
deformation. The main aim will be the identification of accurate constitutive
and fitting parameters by using experimental stress-strain material data. The
focus of the research will remain to be the identification of realistic material and damage parameters and validation of the combined model.
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