Results of tests made at Battelle Memorial Inst, on specimens, each having theoretical stress-concentration factor of 4.0; tests were run at 0 and 20,000-psi nominal mean stress; comparison with results previously obtained.


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    Title :

    Fatigue strengths of aircraft materials -- Axial-load fatigue tests on edge-notched sheet specimens of 2024-t3 and 7075-t6 aluminum alloys and of SAE 4130 steel with notch radii of 0.004 and 0.070 inch


    Additional title:

    NASA -- Tech Note


    Contributors:
    Grover, H.J. (author) / Hyler, W.S. (author) / Jackson, L.R. (author)


    Publication date :

    1959


    Size :

    25 pages


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English