High resolution X-ray tomography of short fatigue crack nucleation in austempered ductile cast iron

T. J. Marrow, J. Y. Buffiere, P. J. Withers, G. Johnson, D. Engelberg

    Research output: Contribution to journalArticlepeer-review

    Abstract

    High-resolution X-ray tomography with synchrotron radiation has been used to obtain observations of the early stages of fatigue crack nucleation in an austempered ductile cast iron. The stable short cracks nucleated in the stress concentration of a pore and arrested due to microstructure barriers. These observations demonstrate the potential for future applications of high-resolution tomography to fracture mechanisms research. © 2003 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)717-725
    Number of pages8
    JournalInternational Journal of Fatigue
    Volume26
    Issue number7
    DOIs
    Publication statusPublished - Jul 2004

    Keywords

    • Fatigue
    • In-situ
    • Porosity
    • Short crack
    • Tomography

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