Fatigue tests have been conducted on low carbon steel butt welds containing lack of penetration defects. The growth of fatigue cracks from the lack of penetration defects was monitored by radiography. These measurements allowed the total fatigue life to be separated into periods of crack initiation and crack propagation.It was found that the rate of crack growth conformed to the expression: The initiation period was found to occupy approximately one-half of the total fatigue life and to consist of the cycle necessary to shake down the residual stresses in the weld and to form the lack of penetration defect into an active fatigue crack.


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    Titel :

    Fatigue Crack Propagation in Steel Weldments


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Lawrence, F. V. (Autor:in) / Munse, W. H. (Autor:in)

    Kongress:

    1972 Automotive Engineering Congress and Exposition ; 1972



    Erscheinungsdatum :

    1972-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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    Fatigue crack propagation in structural steel after flash welding

    Carneiro, Marcos Alex / Pereira, Marcos Venicius Soares / Darwish, Fathi Aref et al. | Tema Archiv | 2009


    Analysis of fatigue crack propagation

    Liu, H. W. | TIBKAT | 1972


    The Fatigue Design of Electrical Resistance Spot Weldments

    Swellam, M. H. / Banas, G. / Lawrence, F. V. | British Library Conference Proceedings | 1993