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    Volume 17, Issue 4 (July 1989)

    Proposed Standard Arc-Bend Chord-Support Fracture Toughness Specimens and K Expressions

    (Received 6 June 1988; accepted 9 December 1988)

    CODEN: JTEOAD

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    Abstract

    Collocation and finite element calculations and limit solutions were used to propose standard geometries and K expressions for measuring fracture toughness with arc-bend chord-support specimens. Polynomial expressions for K were determined for a wide range of crack lengths and for two span-to-depth ratios. The fracture toughnesses of steel and aluminum alloys were measured using the proposed methods and compared with results from existing standard methods.


    Author Information:

    Underwood, JH
    Research Engineer, Army Armament Research, Development, and Engineering Center, Benet Laboratories, Watervliet, NY


    Stock #: JTE11119J

    ISSN: 0090-3973

    DOI: 10.1520/JTE11119J

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    Author
    Title Proposed Standard Arc-Bend Chord-Support Fracture Toughness Specimens and K Expressions
    Symposium , 0000-00-00
    Committee E08