STP888

    Specimen-Size Considerations in Crack-Arrest Testing of Irradiated RPV Steels

    Published: Jan 1986


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    Abstract

    Few crack-arrest data are available for irradiated reactor pressure vessel steels, in part because the specimens commonly used to investigate crack-arrest behavior are relatively large (200 mm square by 50 mm thick). This paper addresses the question of specimen-size requirements for crack-arrest testing of irradiated RPV steels and offers several recommendations with regard to specimen size, specimen design, and testing procedures for efficient utilization of the limited space available in irradiation capsules.

    Keywords:

    crack-arrest toughness, reactor pressure vessel steels, fracture specimen size requirements, radiation effects


    Author Information:

    Marschall, CW
    Battelle Columbus Laboratories, Columbus, OH

    Rosenfield, AR
    Battelle Columbus Laboratories, Columbus, OH

    Landow, MP
    Battelle Columbus Laboratories, Columbus, OH


    Paper ID: STP33015S

    Committee/Subcommittee: E10.02

    DOI: 10.1520/STP33015S


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