Thermal protection blankets, consisting of refractory fiber batting sandwiched between two sheets of woven ceramic fabric, are of interest as a lower cost alternative to rigid tiles for protection of re-entry vehicles. These blankets require a coating on the outer woven sheet that infiltrates and stiffens the fabric to provide an aerodynamic surface. The coating must act as a high temperature starch, without causing embrittlement of the fabric. Advanced coating systems based on monazite, a weak interphase for oxide composites, are being investigated as a means to increase the service temperatures of thermal protection blankets for re-entry space craft. Preliminary evaluations, including chemical compatibility, tensile strengths of coated, heat-treated fibers and fabrics, and durability in a modulated wind tunnel facility have been conducted.


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    Titel :

    Ceramic composites for thermal protection systems


    Weitere Titelangaben:

    Keramische Verbundwerkstoffe für thermische Schutzsysteme


    Beteiligte:
    Davis, J.B. (Autor:in) / Marshall, D.B. (Autor:in) / Oka, K.S. (Autor:in) / Housley, R.M. (Autor:in) / Morgan, P.E.D. (Autor:in)


    Erscheinungsdatum :

    1999


    Format / Umfang :

    6 Seiten, 5 Bilder, 1 Tabelle, 4 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch






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