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Friction and wear studies on nylon-6/SiO2 nanocomposites

✍ Scribed by Monserrat García; Matthijn De Rooij; Louis Winnubst; Werner E. van Zyl; Henk Verweij

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
381 KB
Volume
92
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

Composites of nanometer‐sized silica (SiO~2~) filler incorporated in nylon‐6 polymer were prepared by compression molding. Their friction and wear properties were investigated on a pin on disk tribometer by running a flat pin of steel against a composite disc. The morphologies of the composites as well as of the wear track were observed by scanning electron microscopy (SEM). The addition of 2 wt % SiO~2~ resulted in a friction reduction (μ) from 0.5 to 0.18 when compared with neat nylon‐6. This low silica loading led to a reduction in wear rate by a factor of 140, whereas the influence of higher silica loadings was less pronounced. The smooth morphology obtained after the wear test indicated the negligible contribution to friction of the pin to the nanocomposite. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 92: 1855–1862, 2004

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