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Proceedings Paper

Lattice rotations in surface grains during compression of aluminium polycrystal
Author(s): Nikolai Yu. Zolotorevskii; Natalia Yu. Ermakova; Oksana A. Zubacheva; Alexander Kalabushkin; Yuri F. Titovets
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Paper Abstract

Evolution of the orientation distribution function inside individual grains has been examined by local X-ray technique. The material studied was aluminum polycrystal with a mean grain size about 0.5 mm. It was shown that existing theoretical models can not predict reorientation of the grains examined. This is due to the fact that a local grain neighborhood effects stronger than an initial grain orientation on grain rotation. The strong orientation spread occurs inside the grains. The observed regularities of the spread are interpreted in the terms of grains subdivision by dislocation boundaries.

Paper Details

Date Published: 25 January 2000
PDF: 6 pages
Proc. SPIE 4064, Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (25 January 2000); doi: 10.1117/12.375455
Show Author Affiliations
Nikolai Yu. Zolotorevskii, St. Petersburg State Technical Univ. (Russia)
Natalia Yu. Ermakova, St. Petersburg State Technical Univ. (Russia)
Oksana A. Zubacheva, St. Petersburg State Technical Univ. (Russia)
Alexander Kalabushkin, St. Petersburg State Technical Univ. (Russia)
Yuri F. Titovets, St. Petersburg State Technical Univ. (Russia)


Published in SPIE Proceedings Vol. 4064:
Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering
Alexander I. Melker, Editor(s)

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