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    STP1130

    A New Method to Test Crack-Arrest Toughness by Using Three-Point Bend Specimens

    Published: Jan 1992


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    Abstract

    This paper demonstrates the applicability of small and simple specimens to measure crack-arrest toughness, KIa. Specimens used up to now were large or of complicated geometry. Using small instrumented three-point bend specimens of simple geometry, possibilities and limitations were investigated. KIa values measured on compact crack arrest specimens and, respectively, by using three-point bend specimens have been compared. The results of such investigations on steel A 533 grade B class 1 are shown.

    Keywords:

    crack arrest, fracture toughness, three-point bend tests


    Author Information:

    Varga, T
    professors, Laboratory of Testing and Research in Material Technology (TVFA)University of Technology Vienna, Vienna,

    Schneeweiss, G
    professors, Laboratory of Testing and Research in Material Technology (TVFA)University of Technology Vienna, Vienna,


    Committee/Subcommittee: E08.03

    DOI: 10.1520/STP15521S


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