Mr. Bing Hu Profile

Bing Hu

at Univ of Kentucky

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Proceedings Article | 1 November 2007 Paper

Effect of nano-SiO2 on bismaleimide composite

Dongbing Geng, Liming Zeng, Yi Li, Qiuzhou Fu, Bing Hu

Proceedings Volume 6423, 64234Z (2007) https://doi.org/10.1117/12.780097

KEYWORDS: Composites, Particles, Nanocomposites, Glasses, Brain-machine interfaces, Polymers, Carbon, Interfaces, Molecules, Silicon

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This paper is concerned with the effect of nano-SiO₂ particles on the thermal stability and mechanical behavior of composite materials. A nano-composite of three components is prepared by polymerizing nano-SiO₂, chopped carbon fiber and bismalemide resin. The investigation's basic approach involves a blend of experimental and analytical studies to determine structure/property relationship. Nano-composite structures are characterized by dynamic mechanical analysis, and contents of nano-SiO₂ are subsequently correlated with mechanical properties such as tensile and flexural strength also the modulus. The results indicate that the content of nano-SiO₂ exhibits significant improvement on glass transition temperature (Tg) with Tg elevation by increasing concentration of nano-SiO₂. The higher Tg is the result of steric hindrance by nano-SiO₂ particles in the nano-composite. The mechanical properties of the tensile and flexural strength are raised at first and followed by decreasing as the amount of nano-SiO₂ particles increased. All the modulus values mimic the tensile and flexural strength.

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