Reconstruction of Single-Grain Orientation Distribution Functions for Crystalline Materials

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    Abstract

    A fundamental imaging problem in microstructural analysis of metals is the reconstruction of local crystallographic orientations from X-ray diffraction measurements. This work deals with the computation of the 3D orientation distribution function for individual grains of the material in consideration. We present an iterative large-scale algorithm that uses preconditioned regularizing CGLS iterations with a stopping criterion based on the information available in the residual vectors.
    Original languageEnglish
    PublisherTechincal University of Denmark, Informatics, Building 321
    Publication statusPublished - 2008
    SeriesD T U Compute. Technical Report
    Number2008-05
    ISSN1601-2321

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