High performance PEEK/AlN micro- and nanocomposites for tribological applications

The tribological properties of poly(ether–ether–ketone) (PEEK)/aluminum nitride (AlN) composites reinforced with micro‐ and nano‐AlN particles were evaluated under dry sliding conditions. The wear resistance of pure PEEK is 10‐fold higher than mild steel. It was further improved by 2‐fold at 20 wt %...

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Bibliographic Details
Published in:Journal of applied polymer science 2012-06, Vol.124 (6), p.4612-4619
Main Authors: Goyal, R. K., Tiwari, A. N., Negi, Y. S.
Format: Article
Language:English
Subjects:
AlN
Aluminum nitride
composites
Deterioration
Drying
friction
Materials science
Nanocomposites
Nanostructure
PEEK
Polyetheretherketones
Polymers
Tribology
wear
Wear resistance
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Summary:The tribological properties of poly(ether–ether–ketone) (PEEK)/aluminum nitride (AlN) composites reinforced with micro‐ and nano‐AlN particles were evaluated under dry sliding conditions. The wear resistance of pure PEEK is 10‐fold higher than mild steel. It was further improved by 2‐fold at 20 wt % micro‐AlN and by more than 4‐fold at 30 wt % nano‐AlN composite compared with pure PEEK. The improvement in wear resistance was attributed to a thin and coherent transfer film. However, it was deteriorated on further increasing micro‐AlN. The coefficient of friction of the composites was increased. Scanning electron microscopy and optical microscopy of worn surfaces and transfer films have been explained in detail. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011
ISSN:0021-8995
1097-4628
DOI:10.1002/app.35567