Measurement of the components of plastic displacement gradients in three dimensions

Søren Fæster Nielsen, F. Beckmann, H.F. Poulsen, J.A. Wert

    Research output: Contribution to journalConference articleResearchpeer-review

    Abstract

    A method for non-destructive characterization of plastic deformation in bulk materials is presented. The method is based on X-ray absorption contrast micro-tomography using X-rays from a synchrotron radiation source. The method can be applied to materials that contain marker particles, which have an atomic number significantly different from that of the matrix material. The size of the marker particles can be 1-2 mum and their positions (x, y, z) are determined as a function of strain. The use of the method is demonstrated by a compression study of an aluminium specimen containing tungsten marker particles. (C) 2004 Elsevier B.V. All rights reserved.
    Original languageEnglish
    JournalMaterials Science and Engineering: A - Structural Materials: Properties, Microstructure and Processing
    Volume387-389
    Pages (from-to)336-338
    ISSN0921-5093
    DOIs
    Publication statusPublished - 2004
    Event13th International Conference on the Strength of Materials - Budapest, Hungary
    Duration: 25 Aug 200330 Aug 2003
    Conference number: 13

    Conference

    Conference13th International Conference on the Strength of Materials
    Number13
    Country/TerritoryHungary
    CityBudapest
    Period25/08/200330/08/2003

    Keywords

    • synchrotron radiation
    • plastic deformation
    • X-ray tomography
    • image analysis

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