Orientation distribution analysis in deformed grains

Some improvements are proposed for the statistical analysis of orientation data within individual grains, in particular by allowing for crystallographic symmetries. A method based on quaternions is then presented to characterize orientation spreads including anisotropic effects. Based on this approa...

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Bibliographic Details
Published in:Journal of applied crystallography 2001-06, Vol.34 (3), p.280-288
Main Authors: Glez, Jean Christophe, Driver, Julian
Format: Article
Language:English
Subjects:
Applied sciences
Cold working, work hardening
annealing, post-deformation annealing, quenching, tempering recovery, and crystallization
Cold working, work hardening
annealing, quenching, tempering, recovery, and recrystallization
textures
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
deformed grains
Electron diffraction and scattering
Exact sciences and technology
Materials science
Metals. Metallurgy
orientation distribution function
Physics
Structure of solids and liquids
crystallography
texture analysis
Treatment of materials and its effects on microstructure and properties
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Summary:Some improvements are proposed for the statistical analysis of orientation data within individual grains, in particular by allowing for crystallographic symmetries. A method based on quaternions is then presented to characterize orientation spreads including anisotropic effects. Based on this approach, some analyses of disorientation distributions (orientation distribution functions, disorientation noise and the description of sub‐boundary disorientation) are reconsidered. The analysis is illustrated by a practical application to the microtextures of a hot deformed aluminium alloy crystal.
ISSN:1600-5767
0021-8898
1600-5767
DOI:10.1107/S0021889801003077