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Pull-out of a ductile fibre from a brittle matrix

Part I Shear lag model

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Abstract

Pull-out of a ductile fibre from a brittle matrix has been analysed using a shear lag model. Debonding at the fibre-matrix interface and yielding of the fibre occurred during the pull-out process. Both Poisson's contraction of the fibre and Coulomb friction of the debonded interface were considered. The debond length, which consists of an elastic zone length and a plastic zone length, was also analysed. When the fibre has a finite embedded length, it was found that necking prior to full pull-out of the fibre was required to optimize the toughening of a brittle matrix due to plastic deformation of the fibres. The essential material properties to achieve this are addressed.

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Authors and Affiliations

  1. Metals and Ceramics Division, Oak Ridge National Laboratory, 37831, Oak Ridge, TN, USA

    Chun-Hway Hsueh

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  1. Chun-Hway Hsueh
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Hsueh, CH. Pull-out of a ductile fibre from a brittle matrix. Journal of Materials Science 29, 4793–4801 (1994). https://doi.org/10.1007/BF00356525

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  • DOI: https://doi.org/10.1007/BF00356525

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