This paper summarizes the major aspects of linear elastic fracture mechanics (LEFM) as a quantitative design criterion against brittle fracture. It describes the extension of LEFM to subcritical crack growth under fatigue conditions. To apply this design criterion, however, the engineer must accept the notion that his structure or component does contain flaws or cracks. Fatigue design using LEFM thus assumes preexisting flaws or cracks; hence, fatigue life is based on subcritical crack growth followed by final fracture. Subcritical crack growth under both constant amplitude and variable amplitude loading is considered along with peak tensile or compressive overloads.


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    Titel :

    Linear Elastic Fracture Mechanics and Its Application to Fatigue


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    1974 Automotive Engineering Congress and Exposition ; 1974



    Erscheinungsdatum :

    01.02.1974




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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    Fatigue and fracture mechanics

    HARDRATH, H. F. | AIAA | 1971