The Theory of Fatigue Fracture of Metals

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概要

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• After limit of strain hardening, fatigue crack was assumed to form as a result of large tensile stress by a piled-up group of dislocations plus externally applied tensile stress component, with the aid of other stress concentration factor associated with the obstacle or inclusion itself Nucleation theory was applied to the initiation of the crack. The theoretical S-N curve is in quantitative agreement with the data. The scatter of the number of cycles for fracture, which is an inherent characteristic of fatigue fracture, is, mostly if not wholly, explained as a stochastic phenomenon associated with nucleation process of the fatigue crack. The theoretical temperature dependence of fatigue strength is in fairly agreement with the data in literature.

• 1955-05-05

著者

• Yokobori Takeo

  Institute Of Scicnce And Tcchnology University Of Tokyo

関連論文

• The Theory of Fatigue Fracture of Metals
• Failure and Fracture of Metals as Rate Processes
• Creep Fracture of Copper as Nucleation Process
• Failure and Fracture of Metals as Nucleation Processes
• On the Rate of the Nucleation in the Recrystallization
• Fatigue Fracture of Steel.
• Delayed Fracture in Creep of Copper.
• Fatigue Fracture from the Standpoint of the Stochastic Theory
• Damage as an Initial Stage of Fatigue Fracture
• Ductility Transition and Cold Brittleness

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