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Polymer Nanocomposites as Candidates for Tribological Applications

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Abstract:

To develop wear resistant nanocomposite coating materials, the authors treated nanosilica first by introducing a certain amount of grafting polymers onto the particles in terms of an irradiation technique. Through irradiation grafting, the nanoparticle agglomerates turn into a nano-composite microstructure, which in turn built up a strong interfacial interaction with the surrounding epoxy matrix during the subsequent mixing and consolidation. The experimental results indicated that the addition of the grafted nanosilica into epoxy significantly reduced wear rate and frictional coefficient of the matrix at low filler loading. Compared with the cases of microsized silica and untreated nanosilica, the employment of grafted nanosilica provided the composites with much higher tribological performance enhancement efficiency.

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Periodical:

Materials Science Forum (Volumes 539-543)

Pages:

842-847

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.539-543.842

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Online since:

March 2007

Authors:

Ming Qiu Zhang, Min Zhi Rong, Klaus Friedrich

Keywords:

Friction and Wear, Nanocomposite, Nanoparticle, Surface Treatment

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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