Mechanism of cube grain nucleation during recrystallization of deformed commercial purity aluminium |
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Authors: | K T Kashyap R George |
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Affiliation: | (1) MS Ramaiah Institute of Technology, MSRIT Post, 560 054 Bangalore, India |
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Abstract: | Cube texture is a sharp recrystallization texture component infcc metals like aluminium, copper, etc. It is described by an ideal orientation i.e. (100) (100). The subject of cube texture
nucleation i.e. cube grain nucleation, from the deformed state of aluminium and copper is of scientific curiosity with concurrent
technological implications. There are essentially two models currently in dispute over the mechanism of cube grain nucleation
i.e. the differential stored energy model founded on the hypothesis proposed by Ridha and Hutchinson and the micro-growth
selection model of Dugganet al. In this paper, calculations are made on the proposal of Ridha and Hutchinson model and the results are obtained in favour
of the differential stored energy model. It is also shown that there is no need for the micro-growth model. |
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Keywords: | Recrystallization cube texture commercial purity aluminium differential stored energy model |
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