Semiempirical mathematical model of fatigue damage in stressed objects uses experimental histories of strains in those objects to predict fatigue lives. Accounts for initiation and propagation of fatigue cracks on cycle-by-cycle basis. Measured strain history first digitized, then converted to history of turning-point strains for purposes of analysis. Data between turning points not used. When model calibrated against proper test data for each type of object characterized, its predictions of fatigue lives superior to statistical models as one based on root-mean-square strain.


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    Titel :

    Predictions Of Fatigue Damage From Strain Histories


    Beteiligte:
    Sire, Robert A. (Autor:in) / Besuner, Philip M. (Autor:in) / Toomey, Tim (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1989-07-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Predictions of Cumulative Fatigue Damage Using Condensed Load Histories

    Nelson, Drew V. / Fuchs, H. O. | SAE Technical Papers | 1975


    Fatigue damage during complex stress histories

    Liu, H. W. / Corten, H. T. | TIBKAT | 1959


    Predictions of cumulative fatique damage using condesed load histories.

    Nelson,D. / Fuchs,H. / Stanford Univ. | Kraftfahrwesen | 1975



    Fatigue Life Predictions for a Notched Member Under Complex Load Histories

    Richards, F. D. / LaPointe, N. R. / Landgraf, R. W. | SAE Technical Papers | 1975