2. Low Cycle Fatigue Test of Ship Structural Steels, III

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概要

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• In the preceding reports, the author have studied about the low-cycle fatigue properties of ship structural steels, by simple rotatory bending tests of round-notched specimens. Measuring the crack depth in its growing stage by heat tinting method, the rate of crack growth was proved to be prcportional to the current crack depth. In this report, by some theoretical and experimental analysis, the proportional coefficient is explained to be a function of the dimensions of specimen, notch size, and testing procedures and independent to the materials and applied stress values. Approximately it can be expressed by a power function of the stress amplitude, and the power index is identified by the slope of the a-N diagram of the specimen.

• 社団法人日本船舶海洋工学会の論文

著者

• Takahashi Yukinori

  Institute Of Industrial Science University Of Tokyo

関連論文

• 2. Low Cycle Fatigue Test of Ship Structural Steels, III

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