Volume 1, Issue 9 (October 2004)

    Microstructure Response in Copper and Copper Alloys Irradiated with Fission Neutrons with Controlled Temperature Variations

    (Received 8 July 1992; accepted 14 July 2003)

    Published Online: 2004

    CODEN: JAIOAD

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    Abstract

    The effects of temperature variation on microstructural evolution were investigated for Cu, Cu-5Ni, Cu-3.5Zn, and Cu-5Ni-2Zn irradiated in JMTR and HFIR. The low temperature pre-irradiation at 477 K to 533 K was shown not to influence microstructural evolution significantly during the following irradiation at 613 K to 693 K. On the other hand, downward temperature shift during irradiation was shown to produce void formation in Cu and Cu-3.5Zn. The mechanism of the temperature variation effects was discussed based on the defect properties and the details of the temperature transient history during irradiation.


    Author Information:

    Muroga, T
    Professor, National Institute for Fusion Science, Oroshi, Toki, Gifu,

    Watanabe, H
    Associate Professor, Research Institute for Applied Mechanics, Kyushu University, Kasugakoen, Kasuga, Fukuoka,


    Stock #: JAI11243

    ISSN: 1546-962X

    DOI: 10.1520/JAI11243

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    Author
    Title Microstructure Response in Copper and Copper Alloys Irradiated with Fission Neutrons with Controlled Temperature Variations
    Symposium The Effects of Radiation on Materials: 21st International Symposium, 2002-06-20
    Committee E10