Abstract
In this paper a 3D, elastically anisotropic crystal-plasticity based constitutive model is used to describe cyclic deformation and hardening of polycrystalline HCP (hexagonal close-packed) materials. A diffraction post-processor is developed to allow critical assessment of model predictions against XRD data. Model results for titanium alloy Ti-6Al-4V are compared with synchrotron high energy X-ray polycrystalline diffraction data. The significance of elastic anisotropy and three-dimensionality of the model is discussed.
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