Abstract
In this research, the mechanical properties of epoxy composite filled with nano-silica particles with different crosslinking densities were experimentally studied to clarify the interaction effects between nano-particles and the network structure in matrix resins. The composite materials were prepared by adding 240-nm silica particles to the bisphenol A diglycidyl ether with a volume fraction of 0.2. The bending elastic moduli of the composites were dependent on only the volume fraction of the particles regardless of the particle size and network structures. Filling the nano-silica particles was clarified to improve the bending strength and fracture toughness of the composites with a fine network structure. However the particles acted as defects, reducing the mechanical properties of composites with rough network structures.
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Acknowledgements
This work was supported by the Japan Society for the Promotion of Science (JSPS), KAKENHI, Grant Number 25420013.
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Adachi, T., Umboh, M.K., Nemoto, T., Higuchi, M., Major, Z. (2017). Mechanical Properties of Epoxy Resins Filled with Nano-Silica Particles. In: Irschik, H., Belyaev, A., Krommer, M. (eds) Dynamics and Control of Advanced Structures and Machines. Springer, Cham. https://doi.org/10.1007/978-3-319-43080-5_25
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DOI: https://doi.org/10.1007/978-3-319-43080-5_25
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