Concerns over the safety of the continued use of aging transport aircraft have been voiced in the industry. A key component in the structural integrity of aging aircraft is the damage tolerance of fuselage structural repairs. The investigation focuses on the analysis and testing of contemporary repair methods and develops two improvements. The first technique, known as soft patching, is appropriate for damage tolerant riveted repairs to incidental fuselage damage. Soft patching involves the use of high strength, moderate elastic modulus GLARE 3 fiber metal laminate patches. They extend the fatigue life of riveted repairs to monolithic aluminum fuselages while reducing life cycle costs. The second technique involves bonded crack patching of intact fatigue cracks in fuselage skins. An easy to use analysis program is presented along with analytical and test results of a low cost, high performance patch material known as GLARE 2. The findings demonstrate that GLARE 2 can replace the expensive boron/epoxy composites used in fuselage crack patching applications.


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    Titel :

    Damage Tolerant Repair Techniques for Pressurized Aircraft Fuselages


    Beteiligte:
    R. S. Fredell (Autor:in)

    Erscheinungsdatum :

    1994


    Format / Umfang :

    280 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






    Damage-Tolerant Repairs to Pressurized Fuselages: "Soft Patching" with Glare Fiber Metal Laminates

    Fredell, R. S. / Schijve, J. / Lizza, A. S. et al. | British Library Conference Proceedings | 1995


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