Computational Analysis of Charpy Impact Tests Using Interface Elements(Mechanics, Strength & Structure Design)
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概要
- 論文の詳細を見る
In order to analyze dynamic crack growth in the Charpy impact test accurately, a new computer simulation method using the interface element was developed and dynamic fracture behavior in the sharp and round V-notch Charpy tests of steel was analyzed using the proposed method. It was demonstrated that the Charpy test could be qualitatively simulated. In the case of the sharp notch Charpy test, the temperature effect on the dynamic crack propagation process was found to be primarily attributed to the surface energy of the crack, not to the yield stress ratio, which represents the bulk property. In case of the round notch Charpy test, the significant effect of the notch tip geometry on crack initiation was observed in the computation..
- 大阪大学の論文
著者
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MURAKAWA Hidekazu
Osaka University
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SERIZAWA Hisashi
Osaka University
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Murakawa H
Osaka Univ. Osaka Jpn
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WU Zhengqi
Dynus Co.. Ltd.
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Murakawa H
Osaka University
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Serizawa H
Osaka University
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