Investment cast aerospace components are prone to defects related to solidification process. The hollow columnar-grained aero engine Vane casting, being discussed in this paper, suffers further from extraneous defects such as inclusions, core shift and resultant dimensional deviations. Due to its design complexity and stringent specifications, non-destructive evaluation (NDE) of this component is extremely difficult and critical. Complete inspection, employing different non-destructive testing (NDT) techniques, has been aimed to assess full inspectability and reliability of the components. Radiography, visual/ grain size inspection/ fluorescent dye penetrant test (DPT) after macro etching of the components, and ultrasonic wall thickness measurement (with an accuracy of +/-0.02 mm) of the aerofoil are the techniques utilized for complete inspectability. Innovative NDE methods and specially designed equipments have been used for the purpose


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    Title :

    NDE of aerospace components


    Additional title:

    ZfP von Raumfahrtkomponenten


    Contributors:


    Publication date :

    2006


    Size :

    7 Seiten, 7 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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