The Test Reactor Embrittlement Data Base (TR-EDB)

    Published: Jan 1994

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    The Test Reactor Embrittlement Data Base (TR-EDB) is part of an ongoing program to collect test data from materials irradiations to aid in the research and evaluation of embrittlement prediction models that are used to ensure the safety of pressure vessels in power reactors. This program is being funded by the US Nuclear Regulatory Commission (NRC) and has resulted in the publication of the Power Reactor Embrittlement Data Base (PR-EDB), the second version of which is currently being released. The TR-EDB is a compatible collection of data from experiments in materials test reactors. These data contain information that is not obtainable from surveillance results, especially, about the effects of annealing after irradiation. Other information that is only available from test reactors is the influence of fluence rates and irradiation temperatures on radiation embrittlement. The first version of the TR-EDB will be released in the fall of 1993 and contains published results from laboratories in many countries. Data collection will continue, and further updates will be published.


    radiation embrittlement, data bases, test reactor experiments, pressure vessel annealing, fluence rate effects

    Author Information:

    Stallmann, FW
    Knoxville, TN

    Kam, FBK
    Oak Ridge National Laboratory, Oak Ridge, TN

    Wang, JA
    Oak Ridge National Laboratory, Oak Ridge, TN

    Committee/Subcommittee: E10.08

    DOI: 10.1520/STP15147S

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