Abstract
Finite element analysis (FEA) was conducted to capture the effect of the initial microstructure on strain-stress partitioning and void formation in DP980 steel during uniaxial tension. By using the technique of direct mapping of a filtered microstructure into finite element meshes, FEA can capture the heterogeneity of strain-stress partitioning in DP980 steel through the thickness direction during uniaxial tension. The damage characteristics were studied through scanning electron microscope observations of polished sections of failed tensile specimens. FEA was also used to reveal the effect of microstructure heterogeneity on the hot spots for void formation during uniaxial tension.
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