A theory is proposed to explain how high compressive surface stresses can be introduced into steels by severe quenching. Experimental data are presented which show the effect of quench severity, hardenability, section size, tempering, and decarburization on the surface residual stresses in quenched steel cylinders. Fatigue tests on small and large specimens of seven selected steels confirm the significant effect of residual stress on fatigue strength.A theory is proposed to explain how high compressive surface stresses can be introduced into steels by severe quenching. Experimental data are presented which show the effect of quench severity, hardenability, section size, tempering, and decarburization on the surface residual stresses in quenched steel cylinders. Fatigue tests on small and large specimens of seven selected steels confirm the significant effect of residual stress on fatigue strength.


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    Title :

    The Development of Heat Treat Stresses and Their Effect on Fatigue Strength of Hardened Steels


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Mid-Year Meeting ; 1965



    Publication date :

    1965-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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