Volume 3, Issue 1 (January 2006)

    Phase Composition, Structure, and Plastic Deformation Localization in Zr1%Nb alloys

    (Received 15 March 2004; accepted 27 June 2005)

    CODEN: JAIOAD

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    Abstract

    The feasibility of strengthening the Zrl%Nb alloy by achieving a non-uniform solid solution oxygen distribution in the α grains is considered. Technology employing Nb2O5 as an oxygen source has been developed, which permits introduction into the alloy additional oxygen up to 0.06–0.09 wt. %. Using the method of electron microscopy, the oxygen distribution of the as-produced alloy was examined. The material was found to contain Zr and Nb oxides of non-stoichiometric compositions. The regular features of plastic deformation localization were investigated. These features as revealed by the deforming material may be regarded as forerunners of necking in the course of Zr alloy tube manufacture and are indicative of probable material fracture.


    Author Information:

    Zuev, LB
    Institute of Strength Physics and Materials Science, Siberian Branch of RAS, Tomsk,

    Zavodchikov, SY
    Chepetsky Mechanical Plant, Glazov,

    Poletika, TM
    Institute of Strength Physics and Materials Science, Siberian Branch of RAS, Tomsk,

    Cheremnykh, GS
    Chepetsky Mechanical Plant, Glazov,

    Filippov, VB
    Chepetsky Mechanical Plant, Glazov,

    Belov, VI
    Chepetsky Mechanical Plant, Glazov,

    Arzhakova, VM
    A. A. Bochvar All-Russia Scientific Research Institute of Inorganic Materials, Moscow,

    Bocharov, OV
    A. A. Bochvar All-Russia Scientific Research Institute of Inorganic Materials, Moscow,

    Shikov, AK
    A. A. Bochvar All-Russia Scientific Research Institute of Inorganic Materials, Moscow,


    Stock #: JAI12336

    ISSN: 1546-962X

    DOI: 10.1520/JAI12336

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    Author
    Title Phase Composition, Structure, and Plastic Deformation Localization in Zr1%Nb alloys
    Symposium Zirconium in the Nuclear Industry: Fourteenth International Symposium, 2004-06-15
    Committee B10