High-temperature interlaminar shear strength of Hi-NicalonTM fiber-reinforced MI-SiC matrix composites with BN/SiC fiber coating

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    Abstract

    The interlaminar shear strength of a two-dimensional Hi-Nicalon fiber-reinforced melt-infiltrated SiC ceramic matrix composite was evaluated using compression testing. The compression testing consisted of double-notched specimens. Results show that the interlaminar shear failure was induced in a region between two notches that are anti-symmetrically located on opposite sides of the specimen at an equal distance from the mid-plane.

    Original languageEnglish
    Pages (from-to)657-661
    Number of pages5
    JournalJournal of Materials Science Letters
    Volume19
    Issue number8
    DOIs
    StatePublished - 2000

    Funding

    The research activities carried out at ORNL were sponsored by the U.S. Department of Energy, Assistant Secretary for Energy Efficiency and Renewable Energy, Office of Industrial Technologies, Industrial Energy Efficiency Division and Continuous Fiber Ceramic Composites Program, under contract DE-AC05-96OR22464 with Lockheed Martin Energy Research Corporation. The authors would like to thank R.F. Dacek for specimen preparation and their colleagues A. E. Pasto, K. Breder and H. T. Lin of ORNL for reviewing the manuscript.

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