A method of fabricating a ceramic matrix composite component includes fabricating a ceramic preform, the preform comprising a hollow portion with an internal cavity extending along a first axis from a first end to a second end of the hollow portion, supporting the hollow portion with an auxetic mandrel disposed within and the internal cavity and coaxial with the hollow portion, the auxetic mandrel comprising a first mandrel end and a second mandrel end, at least partially densifying the preform with a matrix, and removing the auxetic mandrel from the internal cavity by simultaneously applying a compressive force to each of the first mandrel end and the second mandrel end creating a deformed auxetic mandrel to reduce a cross-sectional profile of the auxetic mandrel along a second axis orthogonal to the first axis, and extracting the deformed auxetic mandrel from the first end of the hollow portion.


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    Titel :

    AUXETIC MATERIALS AND STRUCTURES FOR CERAMIC MATRIX COMPOSITE AIRFOIL MANDRELS


    Beteiligte:
    WASSERMAN DAVID J (Autor:in) / ROACH JAMES T (Autor:in)

    Erscheinungsdatum :

    27.03.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C04B Kalk , LIME / B64C AEROPLANES , Flugzeuge




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