STP1280

    Characterization of Ceramic Matrix Composite Tubes Under Uniaxial/Biaxial Monotonic and Cyclic Loading

    Published: Jan 1997


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    Abstract

    A method for testing ceramic matrix composite (Almax fiber-reinforced alumina matrix) tubes under monotonic and cyclic loads (tensile/compression, torsional, and biaxial) is described. A data interpretation method is developed to determine ply-level elastic properties from elastic response of the tube measured under monotonic loadings. Monotonic tests were carried out at room temperature to determine the tensile and torsional strengths. Fatigue behavior under tension-tension, torsion-torsion, and biaxial cyclic loads was studied. Damage and failure modes of the tubes under these test conditions are described in detail.

    Keywords:

    ceramic matrix composite, tubes, test methods, ply-level elastic properties, tensile strength, torsional strength, tension-tension fatigue, torsion-torsion fatigue, biaxial fatigue, fatigue (materials), fracture (materials), testing, deformation (materials), multiaxial fatigue


    Author Information:

    Liao, K
    Guest scientist, National Institute of Standards and Technology, Gaithersburg, MD

    George, ER
    Graduate student and Alexander Giacco professor, Virginia Polytechnic Institute and State University, Blacksburg, VA

    Reifsnider, KL
    Graduate student and Alexander Giacco professor, Virginia Polytechnic Institute and State University, Blacksburg, VA


    Paper ID: STP16220S

    Committee/Subcommittee: E08.09

    DOI: 10.1520/STP16220S


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