Factors influencing the mechanism of superlong fatigue failure in steels
作者： Y Murakam , T Nomoto , T Ueda
DOI: 10.1046/J.1460-2695.1999.00187.X
关键词:
摘要: When the fatigue life Nf of a specimen of 10 mm in thickness is longer than 108 cycles, the average fatigue crack growth rate is much less than the lattice spacing (~ 0.1 Aor 0.01 nm) that is 10− 11 to 10− 12 m/cycle. In the early stage of the fatigue process, the crack growth rate should be much less than the average growth rate, and accordingly we cannot assume that crack growth occurs cycle by cycle. In this paper, possible mechanisms for extremely high cycle fatigue are discussed. Of some possible mechanisms, a special focus was put on …
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