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Volume 17, Issue 4 (October 1995)
Electrodeposited Cobalt-Tungsten as a Diffusion Barrier Between Graphite Fibers and Nickel
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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
AuthorTitle Electrodeposited Cobalt-Tungsten as a Diffusion Barrier Between Graphite Fibers and Nickel
Symposium ,
Committee D30