A method to obtain orientation curves in Euler space for a seccond diffraction process in polycrystals
Keywords:X-ray diffraction, Texture, Extinction
AbstractA method is presented to obtain the orientation curve in the Eulerian space, of crystallites which diffract in one point of a Debye-Scherer ring in a second diffraction process. The incident beam is therefore the reflected beam of a previous diffraction process, and the sample has a general orientation for a pole figure measurement, given as usual by two angles, χ around the sample Y axis, and φ around the sample normal. Two solutions are found for all secondary reflections. The method proposed here was outlined somewhere else for the measurement of pole figures by neutron diffraction , and here important improvements are made, especially regarding the mathematical methods.
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