Anomalies of young's modulus in highly deformed iron-copper composites

Beusse, Rainer; Böcker, W.; Bunge, H. J.

doi:10.1016/0956-716x(92)90503-7

Cited by 4 publications

(1 citation statement)

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“…The starting materials were pure powders. On one hand spherical iron particles of 13 tm average size and on the other hand dendritic copper powder of which the fraction < 32 tm was used (Beusse et al, 1992 Figure Measurement Texture investigations of Cu-Fe composites were performed at TEX-2, the texture diffractometer at FRG-1, Geesthacht, Germany (Brokmeier et al, 1998). There are three main reasons to use neutrons instead of X-rays.…”

Section: Sample Preparationmentioning

confidence: 99%

Experiments and Simulations by Self‐Consistent Models of TextureDevelopment in Cu–Fe Powder Composites

Bolmaro

Fourty

Brokmeier

1999

Texture, Stress, and Microstructure

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Two-Sites Self-Consistent (2-SSC) models have been used for simulation of texture development oftwo-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 ofsurrounding grains through a mean field calculated over the "matrix grains". The next level ofcomplexity, 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.

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Section: Sample Preparationmentioning

confidence: 99%