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    STP1576

    Application of Miniature Small Punch Test Specimen in Determination of Tensile Properties

    Published: 2015


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    Abstract

    Nuclear reactors and related components must comply with high standards of reliability and safety in order to operate. The contemporary practice of operating life extensions and reactor power upgrades constitutes new challenges in the process of ensuring safe long-term operation. The primary input data for safety analysis were obtained by means of in-service inspections and surveillance programs. The limitations of surveillance programs, necessitate the need to develop more progressive mechanical testing methods. This work focused on the use of small punch tests for the determination of tensile properties of VVER reactor type materials.

    Keywords:

    small punch test, mechanical testing, component integrity, hot cell facility, nuclear reactors, plant life extension


    Author Information:

    Kopriva, R.
    Integrity and Technical Engineering Division, UJV Rez, Husinec,

    Brumovsky, M.
    Integrity and Technical Engineering Division, UJV Rez, Husinec,

    Kytka, M.
    Integrity and Technical Engineering Division, UJV Rez, Husinec,

    Lasan, M.
    Research Centre Rez, Husinec,

    Siegl, J.
    Faculty of Nuclear Sciences and Physical Engineering, Department of Materials, Czech Technical Univ. in Prague, Prague,

    Matocha, K.
    Material & Metallurgical Research Ltd., Ostrava,


    Committee/Subcommittee: E10.02

    DOI: 10.1520/STP157620140015