Service fatigue loads on aircraft structures usually have continuously varying amplitudes; therefore it is desirable to extend knowledge of effect of fluctuating loads on fatigue of aircraft materials; two nominally identical testing machines built at National Bureau of Standards, described.


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    Title :

    Fatigue testing machine for applying sequence of loads of two amplitudes


    Additional title:

    Nat Advisory Committee Aeronautics -- Tech Note


    Contributors:
    Smith, F.C. (author) / Howard, D.M. (author) / Smith, I. (author) / Harwell, R. (author)


    Publication date :

    1951


    Size :

    31 pages


    Remarks:

    Illus, Charts, Tables


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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