Microscopic pores in thin-walled aluminum castings are sealed by impregnation pretreatment. Technique was developed for investment castings used in hermetically sealed chassic for electronic circuitry. Excessively high leakage rates were previously measured in some chassis.


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    Title :

    Sealing micropores in thin castings


    Contributors:

    Published in:

    Publication date :

    1981-01-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English