Fatigue and frictional heating in ceramic matrix composites

T.K. Jacobsen, B.F. Sørensen, P. Brøndsted

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch


    This paper describes an experimental technique for monitoring the damage evolution in ceramic matrix composites during cyclic testing. The damage is related to heat dissipation, which may be measured as radiated heat from the surface of the test specimen. In the present experimental set-up an isothermal chamber has been utilized. The chamber walls and the grips are water-cooled to allow a consistent calculation of the conductive heat loss to the grips, the radiative heat loss to the chamber walls, and the convective heat loss to the air. An infrared camera scans the surface continously with a high spatial and temperature resolution and changes in the heat dissipation can be measured almost instantaneously. The technique has been tested on uni-directional ceramic matrix composites. Experimental results are shown and the possibilities and the limitations of the technique are discussed.
    Original languageEnglish
    Title of host publication CMMC 96 - Proceedings of the First International Conference on Ceramic and Metal Matrix Composites
    PublisherTrans Tech Publications Ltd.
    Publication date1997
    ISBN (Print)0-87849-753-6
    Publication statusPublished - 1997
    Event1st International Conference on Ceramics and Metal Matrix Composites - San Sebastian, Spain
    Duration: 9 Sept 199612 Sept 1996
    Conference number: 1


    Conference1st International Conference on Ceramics and Metal Matrix Composites
    CitySan Sebastian
    SeriesKey Engineering Materials
    Volume 127-131


    • frictional heating
    • fatigue


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