Because aircraft structures are susceptible to corrosion and fatigue damage, which concentrate at joints, there is a possibility of interactions between corrosion and fatigue, especially as aircraft become older. Of particular concern are the longitudinal lap splices of transport aircraft pressure cabins. This paper reports on the disassembly and investigation of lap splices from several types of transport aircraft. Broadly speaking, the investigation showed that pressure cabin longitudinal lap splices have a corrosion problem or a fatigue problem: severe corrosion does not result in Multiple Site Damage (MSD) fatigue cracking, and MSD is not initiated by corrosion. However, there is evidence of a mild environmental effect on MSD fatigue crack growth. The results are discussed with respect to MSD fatigue modeling and simulation and lap splice fatigue analysis methods.


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    Titel :

    Corrosion and Fatigue Assessment of Aircraft Pressure Cabin Longitudinal Lap Splices


    Beteiligte:

    Erscheinungsdatum :

    1999


    Format / Umfang :

    52 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






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