Abstract
There are different process parameters of bonding joints in the literature. The main objective of the paper was to investigate the effects of bonding angle, composite lay-up sequences and adherend thickness on failure load of adhesively bonded joints under tensile load. For this aim, the joint has four types of the bonding angles 30°, 45°, 60° and 75°. Composite materials have three different lay-up sequences and various thicknesses. The bonding angle, adherend thickness and composite lay-up sequences lead to an increase of the failure load. Moreover, artificial neural network that utilized Levenberg-Marquardt algorithm model was used to predict failure load of bonding joints. Mean square error was put into account to evaluate productivity of ANN estimation model. Experimental results have been consistent with the predicted results obtained with ANN for training, validation and testing data set at a rate of 0.998, 0.997 and 0.998 respectively.
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Abbreviations
- E :
-
Young’s modulus (Gpa)
- G :
-
Shear modulus (Gpa)
- υ :
-
Poisson’s ratio (-)
- σ t :
-
Ultimate tensile strength (Mpa)
- θ :
-
Bonding angle (°)
- w :
-
Adherend width (mm)
- t :
-
Adherend thickness (mm)
- a, b :
-
Bonding length (mm)
- L1, L2 :
-
Adherend length (mm)
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Acknowledgments
The authors are obliged to Emin Demir of Odak Composite Corporation, Ankara/Turkey, for manufacturing the samples.
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Bahadir Birecikli received his Ph.D. from University of Fırat (2016), and is an instructor of Mechanical Engineering in University of Batman. He has done research in the areas of mechanics and composite materials.
Omer Ali Karaman received his Ph.D. from University of Fırat (2018), and is an instructor of Electrical and Electronic Engineering in University of Batman. He has done research in the areas of artificial neural networks.
Selahattin Baris Celebi received his Ph.D. from University of Kirikkale (2020), and is an instructor of Computer Engineering in University of Batman. He has done research in the areas of software and artificial neural networks.
Aydin Turgut received his Ph.D. from University of Fırat (2007), and is a Professor of Mechanical Engineering in University of Bingöl. He has done research in the areas of mechanics and composite materials and finite element analysis.
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Birecikli, B., Karaman, Ö.A., Çelebi, S.B. et al. Failure load prediction of adhesively bonded GFRP composite joints using artificial neural networks. J Mech Sci Technol 34, 4631–4640 (2020). https://doi.org/10.1007/s12206-020-1021-7
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DOI: https://doi.org/10.1007/s12206-020-1021-7