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Tensile mechanical properties of SiC whiskers

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Abstract

An initial evaluation has been made of the tensile mechanical properties of SiC whiskers synthesized by a vapour-liquid-solid process. A micro-tensile tester and associated testing techniques were developed for this purpose. The SiC whiskers exhibit an average tensile strength of 8.40 GPa (1 220 000 psi) and an average elastic modulus of 581 GPa (84 300 000 psi), and were considerably stronger and stiffer than continuous, polycrystalline SiC fibres. These results indicate the significant potential of SiC whiskers as short-fibre reinforcement elements for ceramic matrix composites.

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Authors and Affiliations

  1. Materials Science and Technology Division, Los Alamos National Laboratory, PO Box 1663, 87545, Los Alamos, NM, USA

    J. J. Petrovic, J. V. Milewski, D. L. Rohr & F. D. Gac

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  1. J. J. Petrovic
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  2. J. V. Milewski
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  3. D. L. Rohr
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  4. F. D. Gac
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Petrovic, J.J., Milewski, J.V., Rohr, D.L. et al. Tensile mechanical properties of SiC whiskers. J Mater Sci 20, 1167–1177 (1985). https://doi.org/10.1007/BF01026310

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  • DOI: https://doi.org/10.1007/BF01026310

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