Volume 1, Issue 2 (March 1973)

    The Fracture Toughness of Beryllium

    CODEN: JTEOAD

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    Abstract

    Data on the fracture toughness of beryllium obtained by the authors and that available in the literature are reviewed. The effects of test method, chemistry and microstructure, temperature and strain rate, and fracture modes are discussed. The available data suggest that the fracture toughness of both hot pressed and sheet beryllium is proportional to the product of the true fracture stress and true fracture strain. A rationale for this correlation is developed on the basis of the Griffith-Orowan fracture equation. The effects of temperature and strain rate on the fracture toughness of beryllium sheet follow an Arrhenius-type relation which is in accord with that for prism slip.


    Author Information:

    Conrad, H
    University of Kentucky, Lexington, Kentucky

    Hurd, J
    Brush Wellman Inc., Cleveland, Ohio

    Woodard, D
    Brush Wellman Inc., Cleveland, Ohio


    Stock #: JTE10883J

    ISSN: 0090-3973

    DOI: 10.1520/JTE10883J

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    Author
    Title The Fracture Toughness of Beryllium
    Symposium , 0000-00-00
    Committee E08