STP909

    Safety Standard KTA 3203: Monitoring Radiation Embrittlement of Reactor Pressure Vessels of Light-Water Reactors

    Published: Jan 1986


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    Abstract

    The paper presents a survey of the recently published German safety standard on surveillance programs for light-water reactor pressure vessels. The Kerntechnischer Ausschuss (KTA) safety standard is based on the new design of reactor pressure vessels with limited end-of-life neutron fluence and optimized steel quality. The program and the specimens required are outlined. Provisions are made for possible extension of the program in the event that the results are not as expected. Furthermore, careful program planning and documentation is required.

    Keywords:

    radiation effects, pressure vessel steels, light-water reactors, embrittlement, safety standards


    Author Information:

    Ernst, K-R
    Section manager, KERNTECHNISCHER AUSSCHUSS (KTA)-Geschäftsstelle, Cologne,

    Klausnitzer, EN
    Senior scientific advisor and department manager, Materials Testing; and department manager, Irradiation Programs, KRAFTWERK UNION AG (KWU), Erlangen,

    Leitz, C
    Senior scientific advisor and department manager, Materials Testing; and department manager, Irradiation Programs, KRAFTWERK UNION AG (KWU), Erlangen,


    Paper ID: STP23036S

    Committee/Subcommittee: E10.07

    DOI: 10.1520/STP23036S


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