Effect of Forming Speed on Plastic Bending of Adhesively Bonded Sheet Metals
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概要
- 論文の詳細を見る
Using highly ductile acrylic adhesive, the present authors proposed a new technique of plastic bending of adhesively bonded sheet metals. In this process, the suppression of large transverse shear deformation occurring in the adhesive layer, which in some cases would induce the geometrical imperfection (so-called 'gull-wing bend') and the delamination of the sheet, is one of the most important technical issues. In the present work, the effect of forming speed on bending deformation was investigated. From experimental observations in V-bending experiments of adhesively bonded aluminium sheets, as well as the corresponding numerical simulations which consider the viscoplasticity nature of the adhesive resin, it was found that the large shear deformation and 'gull-wing bend' are successfully suppressed by high-speed forming since the deformation resistance of the adhesive resin becomes higher at a high strain rate.
- 一般社団法人日本機械学会の論文
- 2004-01-15
著者
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YOSHIDA Fusahito
Department of Mechanical System Engineering, Graduate School of Engineering, Hiroshima University
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Takiguchi Michihiro
Department Of Maritime Technology Hiroshima National College Of Maritime Technology
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Yoshida Fusahito
Department Of Mechanical Engineering College Engineering Hiroshima University
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