STP678

    Fracture Surface Energy Measurements by the Notch-Beam Technique

    Published: Jan 1979


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    Abstract

    The notch-beam technique (NBT) for determining fracture surface energies (γi) of ceramic materials is discussed. Basic principles involved in the technique are reviewed, and effects of different test variables on measured γi values are examined. In addition, merits and limitations of the technique are discussed, and measured values are compared with those obtained by other techniques.

    Keywords:

    fracture (materials), crack propagation, ceramic materials, fracture mechanics methods, notch-beam test


    Author Information:

    Bansal, GK
    Principal research scientist and research leader, Battelle Columbus Laboratories, Columbus, Ohio

    Duckworth, WH
    Principal research scientist and research leader, Battelle Columbus Laboratories, Columbus, Ohio


    Paper ID: STP36623S

    Committee/Subcommittee: E08.08

    DOI: 10.1520/STP36623S


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