A disclosed method of hard coating a wear surface of a valve of an aircraft air management system is performed by depositing a hardface alloy powder onto the wear surface, heating the wear surface and the hardface alloy powder to transform the hardface alloy powder into a molten liquid mass, and subsequently cooling the molten liquid hardface alloy mass to solidify the hardface alloy onto the wear surface. The disclosed process provides for localized application and subsequent bonding of the hardface alloy to discrete portions of the wear surface. The solidified hardface alloy coating may then be machined to obtain specific wear surface geometries.


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    Titel :

    Furnace braze deposition of hardface coating on wear surface


    Beteiligte:
    RANKIN KEVIN M (Autor:in) / SMITH BLAIR A (Autor:in) / BOYSEN TIMOTHY R (Autor:in) / NARDI AARON T (Autor:in) / BROOKY KEITH J (Autor:in)

    Erscheinungsdatum :

    2019-12-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F16K VALVES , Ventile / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL



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