Volume 24, Issue 4 (July 1996)

    The Effect of Fiber Coating on the Temperature Dependence of the Elastic and Anelastic Properties of a Fiber-Reinforced Borosilicate Glass Matrix Composite

    (Received 27 September 1995; accepted 14 February 1996)

    CODEN: JTEOAD

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    Abstract

    Young's modulus and mechanical damping were determined for two borosilicate glass matrix composites reinforced with continuous ceramic fibers for the temperature range of 20–450°C using the piezoelectric ultrasonic composite oscillator technique (PUCOT). Scanning electron microscopy was also performed on the specimens. The effect of having a boron nitride fiber coating 0.2 μm thick on the properties of the composite as a function of temperature was determined. These and other measurements showed that the presence of the boron nitride coating improves the toughness of the composite without any penalty on the elastic modulus and damping characteristics.


    Author Information:

    Wolfenden, A
    Advanced Materials Laboratory, Mechanical Engineering Department, Texas A & M University, College Station, TX

    Thomas, HM
    Advanced Materials Laboratory, Mechanical Engineering Department, Texas A & M University, College Station, TX

    Thomas, V
    Advanced Materials Laboratory, Mechanical Engineering Department, Texas A & M University, College Station, TX

    Chawla, KK
    New Mexico Institute of Mining and Technology, Socorro, NM


    Stock #: JTE11446J

    ISSN: 0090-3973

    DOI: 10.1520/JTE11446J

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    Author
    Title The Effect of Fiber Coating on the Temperature Dependence of the Elastic and Anelastic Properties of a Fiber-Reinforced Borosilicate Glass Matrix Composite
    Symposium , 0000-00-00
    Committee C27