Deformation Behavior of Adhesive Layer in Stretch-Bending/Unbending for Adhesively Bonded Sheet Metals

Michihiro Takiguchi; Taro Tokuda; Tetsuya Yoshida; Takeshi Uemori; Fusahito Yoshida

doi:10.4028/www.scientific.net/AMR.939.19

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 939Deformation Behavior of Adhesive Layer in...

Deformation Behavior of Adhesive Layer in Stretch-Bending/Unbending for Adhesively Bonded Sheet Metals

Abstract:

In this paper, the deformation behavior of adhesive layer in stretch-bending/unbending for adhesively bonded sheet metals was investigated by experiments and finite element method (FEM). We paid special attention to the cyclic shear deformation of the adhesive layers during the plastic working. Major results obtained are summarized as follows: (1) When the adhesively bonded sheet metals is bent and pulled out at a 90° angle, shear deformation due to bending of the adhesive layer starts shortly before reaching the die corner and unbending starts at the middle of the corner. (2) The die radius has a large influence on the bending behavior. (3) It is possible to suppress shear deformation of the adhesive layer by using a material with small tensile strength as one of the two adherends.

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Periodical:

Advanced Materials Research (Volume 939)

Pages:

19-24

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.939.19

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Online since:

May 2014

Authors:

Michihiro Takiguchi*, Taro Tokuda, Tetsuya Yoshida, Takeshi Uemori, Fusahito Yoshida

Keywords:

Adhesive Joints, Finite Element Method (FEM), Highly Ductile Adhesive, Plastic Working, Stretch-Bending, Unbending

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