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  • Summary & Details

Study on the Fatigue Strength of Dissimilar Adhesive Joints between Steel and Aluminum Alloy

鋼/アルミ合金異種接着接合部の疲労強度特性に関するこれまでの取り組み

Detailed Information

Author(J)1) 大江 哲平, 2) 鈴木 崇弘, 3) 山本 耕平, 4) 大井 宏一郎, 5) 村井 赳文, 6) 小熊 博幸, 7) 西川 出, 8) 菅田 淳, 9) 植松 美彦
Author(E)1) Teppei Oe, 2) Takahiro Suzuki, 3) Kouhei Yamamoto, 4) Koichiro Oi, 5) Takefumi Murai, 6) Hiroyuki Oguma, 7) Izuru Nishikawa, 8) Atsushi Sugeta, 9) Yoshihiko Uematsu
Affiliation(J)1) マツダ, 2) トヨタ車体, 3) ヤマハ発動機, 4) スズキ, 5) サンスター技研, 6) 物質・材料研究機構, 7) 大阪工業大学, 8) 広島大学大学院, 9) 岐阜大学
Affiliation(E)1) Mazda, 2) Toyota Auto Body, 3) Yamaha Motor, 4) Suzuki Motor, 5) Sunstar Engineering, 6) National Institute for Materials Science, 7) Osaka Institute of Technology, 8) Hiroshima University, 9) Gifu University
Abstract(J)鋼板とアルミ合金板の異種材接着接合の疲労特性について,その試験片製作から基礎データの取得,評価手法まで調査検討を行ってきた.これら取組みから,異種材接着接合の疲労強度に対する被着体剛性や接着端部形状の影響を明らかにし,応力拡大係数の導入により疲労強度を統一的に評価できる手法を提案した.

Translation

Abstract(E)The fatigue characteristics behavior of adhesively bonded dissimilar joints between steel plate and aluminum alloy plate was investigated, covering specimen fabrication, acquisition of fundamental data, and evaluation methodologies. Through these efforts, the influences of adherend stiffness and adhesive-edge geometry on the fatigue strength of dissimilar material joints were clarified. Furthermore, by introducing the stress intensity factor, a unified approach for evaluating fatigue strength was proposed.

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