The majority of fatigue crack growth (FCG) data associated with load interaction effects have been interpreted in terms of plasticity effects at the crack wake. This paper presents a new approach by which the FCG behavior for different R-ratios can be predicted using the master curve. In this approach, the stress intensity factor (SIF) range, ΔK, is normalized in terms of ΔK at R=0. The corresponding mean value of SIF, Km, is normalized by the SIF amplitude, Ka. A curve is plotted for this normalized SIF data, which collapses all the R-ratios into a master curve and therefore enables the prediction of other R-ratios. From the analyses of different materials taken from literature it is demonstrated that the master curve approach is very effective in predicting the R-ratio effects on fatigue crack growth behavior.


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    Titel :

    Load Interaction Effects on FCG: Master Curve Approach


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kujawski, Daniel (Autor:in) / Dinda, Sudip (Autor:in)

    Kongress:

    Asia Pacific Automotive Engineering Conference ; 2007



    Erscheinungsdatum :

    05.08.2007




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Load Interaction Effects on FCG: Master Curve Approach

    Kujawski, D. / Dinda, S. / Society of Automotive Engineers | British Library Conference Proceedings | 2007


    Load interaction effect on fatigue crack growth: master curve approach

    Kujawski,D. / Dinda,S. / Western Michigan Univ.,US | Kraftfahrwesen | 2007


    A Master Thrust-Curve for Airscrews

    Naylor, V.D. | Emerald Group Publishing | 1944


    Vertical Curves with Master Curve Method

    Sharma, H. K. | British Library Online Contents | 2002