Abstract
Two-Sites Self-Consistent (2-SSC) models have been used for simulation of texture development of two-phase materials (Bolmaro and Lebensohn, 1996; Bolmaro et al., 1997). When both phases are plastically deforming the co-deformation and sharing of spins have to be taken into account via interaction among phases. One-Site Self-Consistent (1-SSC) models are able to consider interaction among each grain and the rest of surrounding grains through a mean field calculated over the “matrix grains”. The next level of complexity, i.e., 2-SSC models, is appropriate to capture some interaction features between phases. In the current paper, starting from well-defined microstructures and textures of Cu–Fe powder composites, the textures obtained after wire-drawing are simulated taking into account codeformation and sharing of rotations. The results are shown agreeing with experimental ones provided that, depending on volume fraction and relative strength of both phases, different ad-hoc strain rate sensitivities are used.
Highlights
The purpose of studying texture development in two-phase materials requires reducing the span of materials and regimens under consideration
The texture of the harder phase is usually stronger than the soft phase texture but sometimes the opposite is true (Brokmeier, 1989; Brcker et al, 1988; Brokmeier et al, 1988; Wassermann et al, 1978; Bolmaro et al, 1994)
(ii) Where does the opposite behavior stem from? From crystallinity? From more continuum mechanics considerations?. Another phenomenon that should be explained is that sometimes the texture intensities of harder phases are higher than even the hard phase as a single-phase material
Summary
The purpose of studying texture development in two-phase materials requires reducing the span of materials and regimens under consideration. The texture of the harder phase is usually stronger than the soft phase texture but sometimes the opposite is true (Brokmeier, 1989; Brcker et al, 1988; Brokmeier et al, 1988; Wassermann et al, 1978; Bolmaro et al, 1994). (i) Ifthe harder phase always deforms less how does it manage to reach intensities higher than the softer phase?. Another phenomenon that should be explained is that sometimes the texture intensities of harder phases are higher than even the hard phase as a single-phase material. Ifthe soft phase takes part ofthe deformation of the two-phase composite, it should be taken a large portion of the macroscopic strain, leaving the harder phase with less deformation than if it was single-phase
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