This Australian report describes Flight-by-flight fatigue tests which were carried out on specimens representing part of the front flange of the main spar of the Mirage III wing. Two loading spectra/loading sequences were used, the first being a 200-flight sequence incorporating 24 different types of flight developed by the Eidgenoessisches Flugzeugwerk in Switzerland and the second a much simplified 100-flight sequence incrporating only 4 different types of flight developed by Avions Marcel Dassault in France. The fatigue tests showed that there were no significant differences in the lives to failure between specimens tested under the two sequences, and it was therefore concluded that use of the simplified stress spectrum/sequence would not have invalidated the findings of a previous investigation to develop life-enhancement procedures for the Mirage wing main spar.


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    Title :

    Comparison of Fatigue Lives under a Complex and a Much Simplified Flight-by-Flight Testing Sequence


    Contributors:
    J. Y. Mann (author) / G. W. Revill (author)

    Publication date :

    1984


    Size :

    40 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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