Fatigue tests of surface treated (electrolytically polished or shot-peened) forged low-alloy steel, KSFA110 (NK standards, sigmaB = 1.080 MPa class), over 108 cycles of repeated stress were carried out to clarify fatigue property in the ultra-high-cycle regime. Two-fold S-N curves were observed and interior fracture occurred in the ultra-high-cycle regime irrespective of existence of residual stresses. Possibility of prediction of fatigue life in ultra-high-cycle regime using a crack propagation law was demonstrated assuming that crack propagation life is predominant in the fatigue life.


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    Titel :

    Ultra-high-cycle-fatigue property of forged low-alloy steel for ships' crankshaft


    Weitere Titelangaben:

    Ermüdungseigenschaften bei ultrahohen Lastspielzahlen von aus nieriglegiertem Stahl geschmiedeten Schiffskurbelwellen


    Beteiligte:
    Omata, S. (Autor:in) / Matsushita, H. (Autor:in) / Kobayashi, H. (Autor:in)


    Erscheinungsdatum :

    2002


    Format / Umfang :

    8 Seiten, 6 Bilder, 2 Tabellen, 7 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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