In this work, additively manufactured aluminum nitride (AlN) ceramic heat pipes are developed to improve spacecraft heat rejection capabilities beyond the current state-of-the-art metal systems. Printed AlN parts are characterized via SEM, EDS, X-ray diffraction, optical profilometry, thermal conductivity, and emissivity testing. AlN 3D-printed parts are also tested for compatibility with aluminum bromide, aluminum chloride, and iodine, among other proposed working fluids at 500-600 K in vacuum.


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    Title :

    Additive Manufacturing and Working Fluid Characterization of Ceramic Heat Pipes


    Contributors:

    Conference:

    AIAA SciTech Forum and Exposition ; 2024 ; Orlando, FL, US


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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