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Journals / Gazi Mühendislik Bilimleri Dergisi / 2026 / Volume: 11 Issue: 1

Mechanical Properties of SLJs with Graphene and MWCNT Nanoparticle-Doped Hybrid Polyurethane Adhesives on Epoxy-Based Carbon Fiber Reinforced Composite Plates

Grafen ve çok duvarlı karbon nanotüp (MWCNT) nanoparçacık katkılı poliüretan yapıştırıcı ile birleştirilmiş epoksi bazlı karbon fiber takviyeli kompozit plakaların tek taraflı bindirme bağlantılarının mekanik özellikleri

Mehmet Tongur(NECMETTIN ERBAKAN UNIVERSITY)0000-0002-5847-3295
Necati Ataberk(NECMETTIN ERBAKAN UNIVERSITY)0000-0002-5394-9549
Pages
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Publication Date
2025-04-30
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The distribution of the nanoparticles and the morphology of the failure surfaces were analyzed by scanning electron microscopy (SEM) images.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, we investigated the mechanical effect of by weight of 0.05%, 0.1% and 0.15% Graphene Nanoplates (GNPs) and MWCNTs doped polyurethane adhesives on single lap joint of Epoxy based and Carbon Fiber Reinforced Composite (CFRP) plates.
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Key Findings & Data:Then, the tensile test samples were produced using these adhesives and tensile tests were performed in accordance with the ASTM D 882 standard.
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Conclusion & Impact:The distribution of the nanoparticles and the morphology of the failure surfaces were analyzed by scanning electron microscopy (SEM) images.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Mechanical Properties · Tensile Test · Nano Particle Doped Polyurethane Adhesives

Abstract

In this study, we investigated the mechanical effect of by weight of 0.05%, 0.1% and 0.15% Graphene Nanoplates (GNPs) and MWCNTs doped polyurethane adhesives on single lap joint of Epoxy based and Carbon Fiber Reinforced Composite (CFRP) plates. First of all, Nanocomposite adhesive was produced by adding different weight ratios of nanoparticles into polyurethane adhesive. Then, the tensile test samples were produced using these adhesives and tensile tests were performed in accordance with the ASTM D 882 standard. According to the obtained results, the additive ratios showing the best mechanical properties were determined and single lap joints (SLJ) were produced. Then, the mechanical properties of the SLJ were tested in accordance with the ASTM D1002-10 standard under a constant tensile loading ratio. The highest tensile strength was observed in the 05GR15CNT sample with an increase of 52.67% (14.58 MPa) among the tensile test specimens. On the other hand, the highest shear strength was obtained in the 10GR10CNTSLJ sample with an increase of 14.80% (15.51 MPa) for the SLJ specimens. The distribution of the nanoparticles and the morphology of the failure surfaces were analyzed by scanning electron microscopy (SEM) images.

Özet

Bu çalışmada, epoksi esaslı karbon fiber takviyeli kompozit (CFRP) plakaların tek taraflı bindirme bağlantılarda, ağırlıkça %0,05, %0,1 ve %0,15 grafen nanoplatelet (GNP) ve çok duvarlı karbon nanotüp (MWCNT) katkılı poliüretan yapıştırıcıların mekanik etkisi incelenmiştir. İlk olarak, farklı ağırlık oranlarında nanoparçacıklar poliüretan yapıştırıcıya eklenerek nanokompozit yapıştırıcı üretilmiştir. Daha sonra, bu yapıştırıcılar kullanılarak çekme testi numuneleri üretilmiş ve çekme testleri ASTM D 882 standardına uygun olarak gerçekleştirilmiştir. Elde edilen sonuçlara göre en iyi mekanik özellikleri gösteren katkı oranları belirlenmiş ve tek taraflı bindirme bağlantıları (SLJ) üretilmiştir. Ardından, SLJ'nin mekanik özellikleri sabit çekme yükleme oranı altında ASTM D1002-10 standardına uygun olarak test edilmiştir. Çekme test numuneleri arasında en yüksek çekme dayanımı, %52,67 artışla (14,58 MPa) 05GR15CNT numunesinde gözlemlenmiştir. Öte yandan, SLJ numuneleri arasında en yüksek kayma dayanımı, %14,80 artışla (15,51 MPa) 10GR10CNTSLJ numunesinde elde edilmiştir. Nanoparçacıkların dağılımı ve hasar yüzeylerinin morfolojisi, taramalı elektron mikroskobu (SEM) görüntüleri ile analiz edilmiştir.

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Cite This Article

Tongur, M., Ataberk, N. (2025). Mechanical Properties of SLJs with Graphene and MWCNT Nanoparticle-Doped Hybrid Polyurethane Adhesives on Epoxy-Based Carbon Fiber Reinforced Composite Plates. Gazi Mühendislik Bilimleri Dergisi, Volume: 11 Issue: 1. https://ajindex.com/articles/1397374

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References (31)

  1. ASTM D907, "Standard Terminology of Adhesives," American Society for Testing and Materials. 2011. doi: 10.1520/D0907-12A.2
  2. A. Y. Kanani, X. Hou, and J. Ye, "A novel dissimilar single-lap joint with interfacial stiffness improvement," Composite Structures, vol. 252, Nov. 2020. doi: 10.1016/J.COMPSTRUCT.2020.112741
  3. A. J. Kinloch, "Adhesion and Adhesives," Dordrecht: Springer Netherlands, 1987. doi: 10.1007/978-94-015-7764-9
  4. H. Dodiuk, I. Belinski, A. Dotan, and S. Kenig, "Polyurethane adhesives containing functionalized nanoclay," Journal of Adhesion Science and Technology, vol. 20, no. 12, pp. 1345–1355, 2006. doi: 10.1163/156856106778456573
  5. P. Galvez, J. Abenojar, and M. A. Martinez, "Durability of steel-CFRP structural adhesive joints with polyurethane adhesives," Composites Part B: Engineering, vol. 165, pp. 1–9, May 2019. doi: 10.1016/j.compositesb.2018.11.097
  6. N. Naat, Y. Boutar, S. Naïmi, S. Mezlini, and L. F. M. Da Silva, "Effect of surface texture on the mechanical performance of bonded joints: a review," The Journal of Adhesion, vol. 99, no. 2, pp. 166–258, Jan. 2023. doi: 10.1080/00218464.2021.2008370
  7. J. M. Wernik and S. A. Meguid, "On the mechanical characterization of carbon nanotube reinforced epoxy adhesives," Materials and Design, vol. 59, pp. 19–32, 2014. doi: 10.1016/j.matdes.2014.02.034
  8. C. Guo et al., "Mechanical and thermal properties of multiwalled carbon-nanotube-reinforced Al2O3 nanocomposites," Ceramics International, 2020. doi: 10.1016/j.ceramint.2020.04.039
  9. H. Ejaz, A. Mubashar, E. Uddin, Z. Ali, and N. Arif, "Effect of functionalised and non-functionalised GNPs addition on strength properties of high viscous epoxy adhesive and lap shear joints," Polymer Testing, vol. 113, p. 107680, 2022. doi: 10.1016/j.polymertesting.2022.107680
  10. M. De Volder, S. Tawfick, R. Baughman, and A. J. Hart, "Carbon Nanotubes: Present and Future Commercial Application," Science, vol. 339, pp. 535–539, 2013. doi: 10.1126/science.1222453
  11. G. Otorgust, H. Dodiuk, S. Kenig, and R. Tenne, "Important insights into polyurethane nanocomposite-adhesives; a comparative study between INT-WS2 and CNT," European Polymer Journal, vol. 89, pp. 281–300, Apr. 2017. doi: 10.1016/J.EURPOLYMJ.2017.02.027
  12. Ö. Özbek and M. Çakır, "MWCNT and Nano-silica Hybrids Effect on Mechanical and Fracture Characterization of Single Lap Joints of GFRP plates," International Journal of Adhesion and Adhesives, vol. 117, p. 103159, 2022. doi: 10.1016/j.ijadhadh.2022.103159
  13. Z. Jia and G. Yuan, "Numerical study on the mechanical behavior of a polyurethane adhesive under high strain rate," Composites Part B: Engineering, vol. 158, pp. 131–140, 2019. doi: 10.1016/j.compositesb.2018.08.110
  14. Z. Jia, J. Yu, Q. Liu, S. Yu, and Z. Wang, "Functionally graded adhesive joints with exceptional strength and toughness by graphene nanoplatelets reinforced epoxy adhesives," International Journal of Adhesion and Adhesives, vol. 125, p. 103402, Jul. 2023. doi: 10.1016/j.ijadhadh.2023.103402
  15. H. Ejaz, A. Mubashar, E. Uddin, Z. Ali, and N. Arif, "Influence of MWCNTs on Strength Properties of High Viscous Epoxy Adhesive and Fracture Behavior of Adhesively Bonded Joints," Theoretical and Applied Fracture Mechanics, vol. 120, p. 103412, 2022. doi: 10.1016/j.tafmec.2022.103412
  16. H. Ejaz, A. Mubashar, M. A. M, and S. Waqar, "Effect of GNP and MWCNT Addition on Lap Shear Strength of Adhesively Bonded Joints," in 2022 19th International Bhurban Conference on Applied Sciences and Technology (IBCAST), IEEE, Aug. 2022. pp. 116–121. doi: 10.1109/IBCAST54850.2022.9990107
  17. A. Hallal, A. Elmarakbi, A. Shaito, and H. El-Hage, "Overview of Composite Materials and their Automotive Applications," Advanced Composite Materials for Automotive Applications: Structural Integrity and Crashworthiness, pp. 1–28, 2013. doi: 10.1002/9781118535288.CH1
  18. ASTM D638, "Standard Test Method for Tensile Properties of Plastic," Available: https://www.astm.org/d0638-10.html. [Accessed: Oct. 09, 2022].
  19. ASTM D1002-10, "Standard Test Method for Apparent Shear Strength of Single-Lap-Joint Adhesively Bonded Metal Specimens by Tension Loading (Metal-to-Metal)," in ASTM Book of Standards, ASTM International, 2019. pp. 1–5. doi: 10.1520/D1002-10R19
  20. M. V. Cakir and D. Kinay, "MWCNT, nano‐silica, and nano‐clay additives effects on adhesion performance of dissimilar materials bonded joints," Polymer Composites, vol. 42, no. 11, pp. 5880–5892, Nov. 2021. doi: 10.1002/pc.26268
  21. X. Jia, B. Liu, L. Huang, D. Hui, and X. Yang, "Numerical analysis of synergistic reinforcing effect of silica nanoparticle–MWCNT hybrid on epoxy-based composites," Composites Part B: Engineering, vol. 54, pp. 133–137, Nov. 2013. doi: 10.1016/j.compositesb.2013.04.002
  22. M. S. Goyat, S. Suresh, S. Bahl, S. Halder, and P. K. Ghosh, "Thermomechanical response and toughening mechanisms of a carbon nano bead reinforced epoxy composite," Materials Chemistry and Physics, vol. 166, pp. 144–152, 2015. doi: 10.1016/j.matchemphys.2015.09.038
  23. M. Rashad et al., "Effect of graphene nanoplatelets (GNPs) addition on strength and ductility of magnesium-titanium alloys," Journal of Magnesium and Alloys, vol. 1, no. 3, pp. 242–248, 2013. doi: 10.1016/j.jma.2013.09.004
  24. F. Ghadami, M. R. Dadfar, and M. Kazazi, "Hot-cured epoxy-nanoparticulate-filled nanocomposites: Fracture toughness behavior," Engineering Fracture Mechanics, vol. 162, pp. 193–200, 2016. doi: 10.1016/j.engfracmech.2016.05.016
  25. R. Rodríguez, B. Pérez, and S. Flórez, "Effect of different nanoparticles on mechanical properties and curing behavior of thermoset polyurethane adhesives," in Journal of Adhesion, Taylor and Francis Inc., 2014. pp. 848–859. doi: 10.1080/00218464.2014.893509
  26. Y. Wei, X. Jin, Q. Luo, Q. Li, and G. Sun, "Adhesively bonded joints – A review on design, manufacturing, experiments, modeling and challenges," Composites Part B: Engineering, vol. 276, p. 111225, May 2024. doi: 10.1016/j.compositesb.2024.111225
  27. W.-S. Kim, I.-H. Yun, J.-J. Lee, and H.-T. Jung, "Evaluation of mechanical interlock effect on adhesion strength of polymer–metal interfaces using micro-patterned surface topography," International Journal of Adhesion and Adhesives, vol. 30, no. 6, pp. 408–417, Sep. 2010. doi: 10.1016/j.ijadhadh.2010.05.004
  28. A. Nemati Giv, M. R. Ayatollahi, S. H. Ghaffari, and L. F. M. da Silva, "Effect of reinforcements at different scales on mechanical properties of epoxy adhesives and adhesive joints: a review," The Journal of Adhesion, vol. 94, no. 13, pp. 1082–1121, Nov. 2018. doi: 10.1080/00218464.2018.1452736
  29. R. Moriche, M. Sánchez, A. Jiménez-Suárez, S. G. Prolongo, and A. Ureña, "Strain monitoring mechanisms of sensors based on the addition of graphene nanoplatelets into an epoxy matrix," Composites Science and Technology, vol. 123, pp. 65–70, Feb. 2016. doi: 10.1016/j.compscitech.2015.12.002
  30. Ö. Özbek and M. Çakır, "MWCNT and Nano-silica Hybrids Effect on Mechanical and Fracture Characterization of Single Lap Joints of GFRP plates," International Journal of Adhesion and Adhesives, vol. 117, p. 103159, 2022. doi: 10.1016/j.ijadhadh.2022.103159
  31. F. Ghadami, M. R. Dadfar, and M. Kazazi, "Hot-cured epoxy-nanoparticulate-filled nanocomposites: Fracture toughness behavior," Engineering Fracture Mechanics, vol. 162, pp. 193–200, 2016. doi: 10.1016/j.engfracmech.2016.05.016