Cylindrical rocket thrust chamber cylinders were coated with a 0.203 mm (0.008 in.) layer of zirconium oxide using a process that employed electrodeposition of metal to a spray coated mandrel. The cylinders were cyclically tested using hydrogen oxygen propellants at a nominal chamber pressure of 4.14 MN/sq m (600 psia) to show the effect of the coating on life. Both cylinders failed prematurely due to causes unrelated to the coatings. Post destructive analysis showed no cooling passage wall deformation. Where erosion of the coating occurred, the coating thickness stabilized at 0.061 mm (0.0024 in.) within 80 cycles and remained well adhered throughout the tests.


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    Titel :

    Investigation of the effect of ceramic coatings on rocket thrust chamber life


    Beteiligte:
    Quentmeyer, R. J. (Autor:in) / Kasper, H. J. (Autor:in) / Kazaroff, J. M. (Autor:in)

    Kongress:

    Propulsion Conf. ; 1978 ; Las Vegas, NV, United States


    Erscheinungsdatum :

    1978-01-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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