Abstract
In this study, the lightweight composite materials of carbon fiber-reinforced plastic, aluminum and aluminum foam were applied as three different bonding materials of CFRP-Al6061, Al6061-Al-form and CFRP-Al foam. Then, they were manufactured in a form of tapered double cantilever beam with adhesive interface. The adhesion-peeling properties and fracture behavior under the opening and tearing modes on the adhesive interfaces of double cantilever beams were examined through the static experiment. The results indicated that CFRP-Al6061 was most advantageous under both in-plane and out-of-plane shear conditions in terms of durability applicable to the actual design. In contrast, the Al6061-Al form specimen was most disadvantageous. Through these experiments, this study aimed to investigate the adhesion-peeling properties and fracture behavior of the bonded dissimilar materials having the adhesive interface. The results can be effectively used at developing lightweight composite materials and the bonding technologies for other materials.
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Acknowledgments
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2018R1D1A1 B07041627).
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Recommended by Editor Chongdu Cho
Jung-Ho Lee is a graduate student in Department of Mechanical Engineering at Ph.D. course of Kongju National University, Cheonan, Republic of Korea. His field of specialization are fracture mechanics (dynamic impact), impact fracture of composite material), fatigue & strength evaluation, and durability & optimum design.
Chang-Ho Jung is a graduate student in the Department of Mechanical Engineering at Ph.D. course of Inha University, Incheon, Republic of Korea. His research field is structural analysis using CAE, evaluation of material strength and fatigue.
Seong Sik Cheon received his M.S. and Ph.D. in Mechanical Engineering at KAIST in 1995 and 1999, respectively. He is currently a Professor in the Division of Mechanical & Automotive Engineering at Kongju National University, Korea. His research interests include crashworthi-ness of joining parts, mechanical be-haviour of foams and application of composite materials.
Jae Ung Cho received his M.S. and Doctor Degree in Mechanical Engineering from Inha University, Incheon, Korea, in 1982 and 1986, respectively. Now he is a Professor in Mechanical & Automotive Engineering of Kongju National University, Korea. He is interested in the areas of fracture mechanics (dynamic impact), composite material, fatigue and strength evaluation, and so on.
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Lee, J.H., Jung, C.H., Cheon, S.S. et al. Adhesive interface-peeling properties of tapered double cantilever beam bonded with dissimilar material under in-plane and out-of-plane shear conditions. J Mech Sci Technol 34, 2775–2782 (2020). https://doi.org/10.1007/s12206-020-0610-9
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DOI: https://doi.org/10.1007/s12206-020-0610-9