High performance aircraft that fly aggressive low altitude or high- angle of attack maneuvers will experience high acoustic loading, especially in the presence of external stores. These high acoustic loads can lead to rapid sonic fatigue in thin gage metallic structure. As a means of prolonging fatigue life, while at the same time restoring structural load carrying capability in damaged structure, composite bonded repairs which incorporate damping layers have been developed. These damped composite bonded repairs are installed on F-15 flight test aircraft. This paper describes ways to recognize sonic fatigue damage, and the design and flight test results of representative damped patches.


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    Titel :

    Recognition and Correction of Sonic Fatigue Damage in Fighter Aircraft


    Beteiligte:
    S. L. Liguore (Autor:in) / T. H. Beier (Autor:in)

    Erscheinungsdatum :

    2003


    Format / Umfang :

    11 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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