In a method of arresting fatigue crack growth in a metal member, a hole (18) is formed beside a tip portion (14a) of a fatigue crack (14) with respect to a crack extension direction, in a metal member body (12), in which the fatigue crack occurs due to an action of applied cyclic tensile stress. Then, a press-fit object (20) being higher in stiffness than the metal member body (12) and larger in external size than the hole (18) is press-fitted into the hole (18). Compressive stress (C) is made to act on the tip portion (14a) of the fatigue crack (14) from directions lateral to the crack extension direction.


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    Title :

    METHOD OF ARRESTING FATIGUE CRACK GROWTH IN METAL MEMBER, AND FATIGUE CRACK GROWTH-ARRESTED METAL MEMBER


    Additional title:

    VERFAHREN ZUM HEMMEN DES WACHSTUMS VON ERMÜDUNGSRISSEN IN METALLELEMENTEN UND METALLELEMENT MIT GEHEMMTEM WACHSTUMS VON ERMÜDUNGSRISSEN
    PROCÉDÉ POUR ARRÊTER LA PROGRESSION D'UNE FISSURE DE FATIGUE DANS UN ÉLÉMENT MÉTALLIQUE ET ÉLÉMENT MÉTALLIQUE À ARRÊT DE LA PROGRESSION D'UNE FISSURE DE FATIGUE


    Contributors:

    Publication date :

    2019-02-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B23P Sonstige Metallbearbeitung , OTHER WORKING OF METAL / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / E04G SCAFFOLDING , Baugerüste



    REPAIR MEMBER OF FATIGUE CRACK

    TAKAHASHI KAZUHIKO | European Patent Office | 2023

    Free access


    Fatigue Crack Growth Delays

    Dubensky, R. | Tema Archive | 1974


    Fatigue Crack Growth Delays

    Dubensky, Robert | SAE Technical Papers | 1974


    REPAIR METHOD AND MEMBER FOR REPAIR OF FATIGUE CRACK

    TAKAHASHI KAZUHIKO | European Patent Office | 2018

    Free access