Abstract
In this research, low cost devulcanized recycled rubber based composites were designed with fine gamma alumina (d < 5–10 μm) reinforcements containing minor reinforcements such as nano graphene platelets and Carbon Nano Tubes. After determination (in different wt% percentages) of the reinforcements with matrix, a special process was applied to complete successfully the manufacturing of the composites. After that, the relevant toughening mechanisms for the most suitable reinforcements were analyzed in detail for aeronautical engineering applications. For this purpose, certain mechanical and physical properties (ISO 13586:2000, KIc – Fracture toughness stress intensity factor and GIc- Critical energy release rate in mode I) have been determined by fracture toughness tests (static 3P bending test with single edge notch specimens, Charpy impact, etc.). Microstructural and fracture surfaces analysis have been carried out by means of Optical Microscopy (OM) and Scanning Electron Microscopy (SEM).
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Acknowledgments
The authors thank Dr. H-A. Alhas from Airbus-Space, London/UK for general support and also for his valuable discussion in certain stages of this project. Also they would wish to acknowledge research foundation of Supmeca/Paris.
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Irez, A.B., Bayraktar, E., Miskioglu, I. (2019). Toughening Mechanism in Epoxy Resin Modified Recycled Rubber Based Composites Reinforced with Gamma-Alumina, Graphene and CNT. In: Thakre, P., Singh, R., Slipher, G. (eds) Mechanics of Composite, Hybrid and Multifunctional Materials, Volume 5. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-95510-0_4
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DOI: https://doi.org/10.1007/978-3-319-95510-0_4
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