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Investigation of recrystallization mechanisms in copper alloys

Published online by Cambridge University Press:  17 November 2003

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Abstract

Textures and local orientations have been determined in copper alloys after cold rolling and annealing. The measurements show that for a strain below a given threshold a mixed “deformation-recrystallization” texture is obtained after a static primary recrystallization : the {100}<001> cube orientation becomes stronger as annealing procedes, but is not dominating in the final microstructure. Global texture determinations by X-ray diffraction coupled with local orientation measurements by EBSD (Electron Back-Scattered Diffraction) show that in materials cold rolled by 70 and 80%, the orientation changes at the very beginning of the recrystallization process (i.e. at nucleation) are crucial for the formation of the recrystallization texture.

Type
Research Article
Copyright
© La Revue de Métallurgie, 2003

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