The effect of CF and nano-SiO 2 modification on the flexural and tribological properties of POM composites

Carbon fiber (CF) and nano-silica (nano-SiO 2 ) particles were employed simultaneously to modify polyoxymethylene (POM). Our goal was to control the distribution and dispersion of CF and nano-SiO 2 particles in POM matrix using an appropriate processing method and adjusting the dispersion of nano-Si...

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Bibliographic Details
Published in:Journal of thermoplastic composite materials 2014-03, Vol.27 (3), p.287-296
Main Authors: Zhaohong, Xu, Zhenhua, Li, Jian, Li, Fei, Fu Yuan
Format: Article
Language:English
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Summary:Carbon fiber (CF) and nano-silica (nano-SiO 2 ) particles were employed simultaneously to modify polyoxymethylene (POM). Our goal was to control the distribution and dispersion of CF and nano-SiO 2 particles in POM matrix using an appropriate processing method and adjusting the dispersion of nano-SiO 2 particles toward CF and POM, so as to achieve a simultaneous enhancement of toughness and modulus of POM. The results of tribological tests showed that the POM with 3 vol% nano-SiO 2 presented better tribological properties. When the content of nano-SiO 2 was not more than 3 vol%, the CF/POM/nano-SiO 2 samples presented lower friction coefficients and smaller wear volumes. However, higher contents of nano-SiO 2 than 3 vol% were very disadvantageous to the tribological performances.
ISSN:0892-7057
1530-7980
DOI:10.1177/0892705712443251