Ultra-high-cycle-fatigue property of forged low-alloy steel for ships' crankshaft
Ultra-high-cycle-fatigue property of forged low-alloy steel for ships' crankshaft
- New search for: Omata, S.
- New search for: Matsushita, H.
- New search for: Kobayashi, H.
- New search for: Omata, S.
- New search for: Matsushita, H.
- New search for: Kobayashi, H.
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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Ultra-high-cycle-fatigue property of forged low-alloy steel for ships' crankshaft
Ermüdungseigenschaften bei ultrahohen Lastspielzahlen von aus nieriglegiertem Stahl geschmiedeten Schiffskurbelwellen
FATIGUE, International Fatigue Congress, 8 ; 2979-2986
2002
8 Seiten, 6 Bilder, 2 Tabellen, 7 Quellen
Conference paper
English
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