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A study on the fracture characteristics of tapered double cantilever beams made of heterogeneous composites with adhesive interfaces

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Abstract

In this study, CFRP and aluminum properties were investigated by carrying the static experiment on the shape-dependent bonding structure, and designed tapered double cantilever beam (TDCB) made of heterogeneous composites with the angle of inclination as a variable. The results showed that the maximum reaction force generated was the greatest when the slope angle was 8°. When the specimen is designed using heterogeneous composite materials, the maximum reaction force of the specimen with an inclination angle of 10° is slightly lower than that of a specimen with inclination angle of 8°. However, these results show that it is possible to obtain a design advantage by supplementing the shape. The results of this study can be used as basic data for the safe design of mechanical structures using composite materials and heterogeneous composites.

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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-2018R1D1 A1B07041627).

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Authors and Affiliations

  1. Department of Mechanical Engineering, Graduate School, Kongju National University, 1223-24 Cheo-nan-daero, Seobuk-gu, Cheonan-si, Chungnam, 31080, Korea

    Jung Ho Lee

  2. Department of Mechanical Engineering, Graduate School, Inha University, 100 Inha-ro, Michuhol-gu, Incheon, Korea

    Chang Ho Jung

  3. School of Mechanical & Aerospace Engineering, Gyeongsang National University, 501 Jinju-daero, Jinju-si, Korea

    Sungki Lyu

  4. Division of Mechanical & Automotive Engineering, Kongju National University, 1223-24 Cheonan-daero, Seobuk-gu, Cheonan-si, Chungnam, 31080, Korea

    Jae Ung Cho

Authors
  1. Jung Ho Lee
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Corresponding author

Correspondence to Jae Ung Cho.

Additional information

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.

Sungki Lyu is a Professor in the School of Mechanical & Aerospace Engineering of Gyeongsang National University, Korea. His research interests are gear, gearbox, and mechanical system design.

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., Lyu, S. et al. A study on the fracture characteristics of tapered double cantilever beams made of heterogeneous composites with adhesive interfaces. J Mech Sci Technol 35, 99–105 (2021). https://doi.org/10.1007/s12206-020-1209-x

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  • DOI: https://doi.org/10.1007/s12206-020-1209-x

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