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Proceedings Paper

Effect of nano-SiO2 on bismaleimide composite
Author(s): Dongbing Geng; Liming Zeng; Yi Li; Qiuzhou Fu; Bing Hu
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Paper Abstract

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.

Paper Details

Date Published: 1 November 2007
PDF: 7 pages
Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 64234Z (1 November 2007); doi: 10.1117/12.780097
Show Author Affiliations
Dongbing Geng, Wuhan Univ. of Technology (China)
Aerospace Research Institute of Materials and Processing Technology (China)
Liming Zeng, Wuhan Univ. of Technology (China)
Yi Li, Aerospace Research Institute of Materials and Processing Technology (China)
Qiuzhou Fu, Aerospace Research Institute of Materials and Processing Technology (China)
Bing Hu, Wuhan Univ. of Technology (China)


Published in SPIE Proceedings Vol. 6423:
International Conference on Smart Materials and Nanotechnology in Engineering

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