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Simulation of Adhesively Bonded Parts for Multi-Material Bonding Structure

Article of Honda R&D Technical Review Vol.27 No.2

Summary

In order to perform completed vehicle crash simulations involving the destruction of adhesively bonded parts, a damage mechanics model called a cohesive zone model was applied to the adhesively bonded parts. A dynamic tension-torsion testing method that supports a wide range of strain rates was constructed to take into account the strain rate dependency.
Simulations using cohesive zone model of adhesively bonded parts were performed at levels ranging from the small-scale coupon level to completed vehicle crash simulations. These results were compared with the results of full structure destruction behavior tests and exhibited a good correlation.

Reference

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(3) Raju, I. S., Crews, J. H., Aminpour, M. A.: Convergence of Strain Energy Release Rate Components for Edge-Delaminated Composite Laminates, NASA TM-89135, (1987)
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(5) Camanho, P. P., Davila, C. G.: Mixed-Mode Decohesion Finite Elements for the Simulation of Delamination in Composite Materials, NASA TM-2002-211737, (2002)
(6) ASTM D3433-99(2012): Standard Test Method for Fracture Strength in Cleavage of Adhesives in Bonded Metal Joints, (2012)
(7) ASTM D5528-13: Standard Test Method for Mode I Interlaminar Fracture Toughness of Unidirectional Fiber-Reinforced Polymer Matrix Composites, ASTM International, (2013)
(8) JIS K 7086: Testing methods for interlaminar fracture toughness of carbon fibre reinforced plastics, (1993)
(9) ASTM D7905M-14: Standard Test Method for Determination of the Mode II Interlaminar Fracture Toughness of Unidirectional Fiber-Reinforced Polymer Matrix Composites, ASTM International, (2014)
(10) ASTM D6671M-13e1: Standard Test Method for Mixed Mode I – Mode II Interlaminar Fracture Toughness of Unidirectional Fiber Reinforced Polymer Matrix Composites, ASTM International, (2013)
(11) Furusawa, T., Shimamiya, T., Yokoi, E., Sato, K., Hattori, H., Murakami, S., Sato, C.: Evaluation of Critical Fracture Energy of Adhesively Bonded Joints for Carbon Composites under Combined-Mode High-Strain Rate Loadings, ECCM16 Conference Proceeding, (2014)
(12) ASTM D1002-10: Standard Test Method for Apparent Shear Strength of Single-Lap-Joint Adhesively Bonded Metal Specimens by Tension Loading (Metal-to-Metal), ASTM International, (2010)

Author (organization or company)

Tomohiro SHIMAMIYA(Automobile R&D Center)、Chiaki SATO(Tokyo Institute of Technology)、Eiichiro YOKOI(Automobile R&D Center)、Toru FURUSAWA(Automobile R&D Center)、Keiichi SATO(Automobile R&D Center)

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