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Matrix behavior in copper-tungsten composites at small strains

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Abstract

Composites with up to 15 pct tungsten wires in a copper crystal matrix prepared by infiltration showed matrix microyield and flow stresses increasing with fiber fraction. Dislocation etch-pit observations showed that the walls of a cell structure in the matrix formed during fabrication were the operative dislocation obstacles and that this initial structure rather than fiber-matrix interaction during straining was responsible for the matrix strengthening.

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Authors and Affiliations

  1. Instituto Militar de Engenharia, Rio de Janeiro, Brazil

    K. K. Chawla

  2. Department of Metallurgy and Mining and the Materials Research Laboratory, University of Illinois, Urbana, Ill.

    M. Metzger

Authors
  1. K. K. Chawla
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  2. M. Metzger
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Chawla, K.K., Metzger, M. Matrix behavior in copper-tungsten composites at small strains. Metall Trans A 8, 1681–1687 (1977). https://doi.org/10.1007/BF02646870

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  • DOI: https://doi.org/10.1007/BF02646870

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