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Direction‐Dependent Orientation Distribution Function of Textures and Consideration of Twin Formations. Application to Copper and Gypsum Samples
Author(s) -
Baitz S.,
Vogel D.,
Kulke H.,
Jacobi H.,
Follner H.
Publication year - 1998
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/(sici)1521-4079(1998)33:5<745::aid-crat745>3.0.co;2-l
Subject(s) - reciprocal lattice , crystallography , superposition principle , mineralogy , chemistry , geometry , mathematical analysis , optics , physics , mathematics , diffraction
A program was created for calculating the orientation distribution function of textures for all crystal systems. The method corresponds to a superposition of pole figures. This program, which follows the WIMV procedure, is based on a direction‐dependent representation in the reciprocal space. The advantage over representation with Eulerian angles is that an axial transformation is not necessary in the oblique crystal systems. Fibre textures appear in the diagrammes as one‐dimensional stripes. Different components of a fibre texture can be clearly depicted in a stereographic projection. The occurrence of twins and oriented intergrowths can be determined. Results of texture determinations on copper from a plumbing system and on a polycrystalline gypsum preparation are given below.