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  • Summary & Details

Evaluation of Fatigue Crack Propagation Characteristics under Different Fracture Modes in CFRP Bonded Joints with Urethane Adhesive

異なる破壊モード下におけるCFRPウレタン系接着接合部の疲労き裂進展特性評価

Detailed Information

Author(J)1) 浜 十志陽, 2) 中丸 敏明, 3) 佐藤 広介, 4) 小川 裕樹, 5) 曙 紘之, 6) 菅田 淳, 7) 小川 武史
Author(E)1) Toshiharu Hama, 2) Toshiaki Nakamaru, 3) Kousuke Satou, 4) Yuki Ogawa, 5) Hiroyuki Akebono, 6) Atsushi Sugeta, 7) Takeshi Ogawa
Affiliation(J)1) 広島大学大学院, 2) 日産自動車, 3) 日産自動車, 4) 広島大学大学院, 5) 広島大学大学院, 6) 広島大学大学院, 7) 青山学院大学
Affiliation(E)1) Hiroshima University, 2) Nissan Motor, 3) Nissan Motor, 4) Hiroshima University, 5) Hiroshima University, 6) Hiroshima University, 7) Aoyama Gakuin University
Abstract(J)CNの実現に向け,自動車の車体構造にはCFRPなど軽量材料の適用が拡大している.また,多様な材料を接合可能な接着接合も注目され,CFRP の接着接合の確立およびその耐疲労性評価が求められる.本研究では,CFRPのウレタン系接着接合部における疲労設計指針を確立するため,異なる破壊モードに対する疲労き裂進展特性を解明した.

Translation

Abstract(E)To achieve CN, the application of lightweight materials such as CFRP is expanding in automotive body structures. Adhesive bonding, which enables joining dissimilar materials, is also gaining attention, necessitating the establishment of CFRP bonded structure and its fatigue charactreristic. In this study, to establish fatigue design guidelines for CFRP bonded joints with a urethane adhesive, fatigue crack propagation characteristics for different fracture modes were elucidated.

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