A Probabilistic Study on Fatigue Life Distribution of a Metallic Material with Surface Defects Considering the Number of Initiated Cracks
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概要
- 論文の詳細を見る
It is well-known that the fatigue of metallic materials occurs due to the initiation of cracks and their subsequent growth. However, the number of crack nuclei is not provided deterministically. In engineering applications, this number is randomly variable and often significant, and should be taken into account in the evaluation of crack coalescence. In the present study, based on the numbers of initiated cracks, a statistical evaluation was made of the coalescence of cracks as a function of the number of stress cycles, and the fatigue life distribution was probabilistically derived from the above evaluation assuming that the failure occurs immediately after the coalescence of cracks. The analytical results obtained are in good agreement with experimental results of the fatigue life distribution.
- 一般社団法人日本機械学会の論文
- 1988-04-15
著者
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Okada K
The Graduate School Of Natural Science And Technology Okayama University
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SAKAI TATSUO
Faculty of Pharmaceutical Sciences, Toyama Medical and Pharmaceutical University
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Sakai Tatsuo
Department Of Mechanica Engineering Ritsumeikan University
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TANAKA Tsuneshichi
Faculty of Engineering, Ritsumeikan University
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OKADA Kenji
Takamatsu National College of Technol.
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TAMURA Nobushige
Takamatsu National College of Technology
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Tanaka T
Faculty Of Science And Engineering Ritsumeikan University
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Sakai Tatsuo
Faculty Of Pharmaceutical Sciences Toyama Medical & Pharmaceutical University
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