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    Volume 17, Issue 4 (October 1995)

    Electrodeposited Cobalt-Tungsten as a Diffusion Barrier Between Graphite Fibers and Nickel

    CODEN: CTROAD

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    Abstract

    An electrodeposited cobalt alloy coating having a composition of 7.1 ± 0.8 at % tungsten was developed to serve as a diffusion barrier between graphite fibers and nickel. A nickel matrix was electrodeposited around the fibers, and the resulting composite was annealed in vacuum under various time/temperature conditions. The coating was shown to inhibit interdiffusion for up to 24 h at 800°C. This represents an improvement of 200° over the uncoated fibers.

    Author Information:

    Lashmore, DS
    National Institute of Standards and Technology, Gaithersburg, MD

    Wheeler, NS

    Stock #: CTR10450J

    ISSN: 0884-6804

    DOI: 10.1520/CTR10450J

    Author
    Title Electrodeposited Cobalt-Tungsten as a Diffusion Barrier Between Graphite Fibers and Nickel
    Symposium , 0000-00-00
    Committee D30