STP1172

    Analysis of Some Compliance Calibration Data for Chevron-Notch Bar and Rod Specimens

    Published: Jan 1992


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    Abstract

    This paper presents a set of equations describing certain fracture mechanics parameters for chevron-notch bar and rod specimens. They are developed by fitting earlier compliance calibration data. Numerical differentiation must be used to determine the minimum stress intensity factor and the critical crack length, and the problem this presents for these specimens is discussed.

    Keywords:

    chevron-notch specimens, compliance calibration, stress intensity factor, critical crack length


    Author Information:

    Orange, TW
    Research Engineer, retired, retired, and Branch Chief, NASA Lewis Research Center, Cleveland, OH

    Bubsey, RT
    Research Engineer, retired, retired, and Branch Chief, NASA Lewis Research Center, Cleveland, OH

    Pierce, WS
    Research Engineer, retired, retired, and Branch Chief, NASA Lewis Research Center, Cleveland, OH

    Shannon, JL
    Research Engineer, retired, retired, and Branch Chief, NASA Lewis Research Center, Cleveland, OH


    Paper ID: STP24710S

    Committee/Subcommittee: E08.08

    DOI: 10.1520/STP24710S


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