Microtexture analysis of cold-rolled and annealed twinning-induced plasticity steel

The microtexture evolution of cold-rolled and isochronally annealed Fe–24Mn–3Al–2Si–1Ni–0.06C twinning-induced plasticity steel is investigated by electron back-scattering diffraction. Novel deconstruction techniques are applied to cold-rolled and partially recrystallized maps. The formation of cold-rolling texture via composite slip/twin deformation pattern is corroborated by the relatively random spatial distribution of twinned and untwinned grains. Whereas the orientations of the newly nucleated grains are similar to the deformation texture, orientation-dependent, stored energy and second-order twinning contribute to the end-recrystallization texture.