年次大会
Online ISSN : 2424-2667
ISSN-L : 2424-2667
セッションID: J04206
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平板中のき裂と切欠きの干渉効果に関する検討
*加藤 祐希川村 茉由岡本 直幸小田 和広堤 紀子
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The stress intensity factor of the edge interface crack is regarded as he intensity of the singular stress field at the interface end to reduce the singular stress in the interface end in adhesive joint. The edge singular stress in bonded plate can be reduced by adding the notch near the interface. In this study, the interaction between the crack and the additional notch is examined in order to evaluate the reduction effect of the singular stress. The stress intensity factor of the edge crack in a rectangular plate with semi-circular notch is analyzed by using FEM. The SIF ratios between the cracked plate with and without the notches are compared with the that of the bonded plates. From the calculation results, it is found that the interaction effect between the interface end and the notches can be roughly evaluated by the crack model with the notches although the crack length dependency.

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