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Onset of abnormal subgrain growth in cold rolled {1 1 0}〈0 0 1〉 oriented copper single crystals

✍ Scribed by M. Ferry; F.J. Humphreys

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
571 KB
Volume
435-436
Category
Article
ISSN
0921-5093

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✦ Synopsis

Copper single crystals of {1 1 0} 0 0 1 orientation were cold rolled and annealed at 300 • C to study both the deformed state and early stages of static recovery. A homogeneous cellular substructure was generated during rolling with normal direction/rolling direction (ND-RD) sections revealing intersecting bands aligned at an acute angle to RD. These bands exhibit cyclic orientation changes about ND with amplitudes and wavelengths up to 10 • and 10 m, respectively. During annealing, cells situated at the extreme of these orientation perturbations undergo the most rapid coarsening; such a process is similar to the abnormal subgrain growth previously observed in {1 1 0} 0 0 1 oriented aluminium single crystals.

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