A high energy microscope for local strain measurements within bulk materials

U. Lienert, H.F. Poulsen, R.V. Martins, Å. Kvick

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    A novel diffraction technique for local, three dimensional strain scanning within bulk materials is presented. The technique utilizes high energy, micro-focussed synchrotron radiation which can penetrate several millimeters into typical metals. The spatial resolution can be as narrow as 1 mum in one dimension and in three dimensions about 5x10x100 mum(3) Bulk properties are probed non-destructively and in-situ measurements during thermo-mechanical processing are feasible. A dedicated experimental station has been constructed at the ID11 beamline of the European Synchrotron Radiation Facility. Case studies demonstrate that steep macrostrain gradients can be resolved. Techniques for the local measurement of macro- and microstrains are discussed.
    Original languageEnglish
    Title of host publicationECRS 5: PROCEEDINGS OF THE FIFTH EUROPEAN CONFERENCE ON RESIDUAL STRESSES
    Volume347-349
    PublisherTrans Tech Publications Ltd.
    Publication date2000
    Pages95-100
    ISBN (Print)0-87849-855-9
    Publication statusPublished - 2000
    EventECRS 5: 5. European conference on residual stresses -
    Duration: 5 Nov 1829 → …

    Conference

    ConferenceECRS 5: 5. European conference on residual stresses
    Period05/11/1829 → …
    SeriesMaterials Science Forum
    ISSN0255-5476

    Keywords

    • crossed-beam technique
    • high-energy synchrotron radiation
    • local strain scanning

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