Stability of Cube Oriented Grains during Cold-Rolling of Highly Cube-Oriented Polycrystalline Nickel

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Abstract:

A pure Ni sheet was heavily deformed up to an equivalent strain of 6.4 at room temperature and then annealed to obtain highly Cube textured material, which is a polycrystal subdivided by many low-angle grain boundaries. The highly Cube-oriented sheets were cold-rolled to various reductions up to 90%. It was found that large fraction of Cube oriented grains remained stable in cold-rolling although the orientation is theoretically unstable. The stability of Cube orientation was considered to be associated with the constraint by grain boundaries in the materials.

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Periodical:

Materials Science Forum (Volumes 702-703)

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402-405

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December 2011

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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