Lattice rotations in surface grains during compression of aluminium polycrystal

Nikolai Yu. Zolotorevskii; Natalia Yu. Ermakova; Oksana A. Zubacheva; Alexander Kalabushkin; Yuri F. Titovets

doi:10.1117/12.375455

25 January 2000 Lattice rotations in surface grains during compression of aluminium polycrystal

Nikolai Yu. Zolotorevskii, Natalia Yu. Ermakova, Oksana A. Zubacheva, Alexander Kalabushkin, Yuri F. Titovets

Proceedings Volume 4064, Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering; (2000) https://doi.org/10.1117/12.375455
Event: Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, 1999, St. Petersburg, Russian Federation

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.

Citation Download Citation

Nikolai Yu. Zolotorevskii, Natalia Yu. Ermakova, Oksana A. Zubacheva, Alexander Kalabushkin, and Yuri F. Titovets "Lattice rotations in surface grains during compression of aluminium polycrystal", Proc. SPIE 4064, Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (25 January 2000); https://doi.org/10.1117/12.375455

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