An environmental protective coating (EPC) for protecting a surface subjected to high temperature environments of more than 3000 degree F. The coating includes a dense platelet lamellar microstructure with a self-sealing, compliant binder material for holding the platelets together. The platelets may be formed from materials that are resistant to high temperatures and impermeable, such as ceramics. The lamellar microstructure creates a tortuous path for oxygen to reach the surface. The binder material may have free internal volume to increase the strain capability between the platelets and absorb increased volume during operation. The binder may be formed from a material that is softer and has a lower temperature capability than the platelets to provide the system with the required compliance and sealing capability. The binder may have sufficient glass content and glass-forming content for initial and long-term sealing purposes.


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    Titel :

    Ultra high temperature environmental protection coating


    Beteiligte:
    HECHT DANIEL H (Autor:in)

    Erscheinungsdatum :

    28.02.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL , Verfahren zum Aufbringen von Flüssigkeiten oder von anderen fließfähigen Stoffen auf Oberflächen allgemein / B64C AEROPLANES , Flugzeuge / F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES



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