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Erschienen in: Tribology Letters 3/2011

01.09.2011 | Original Paper

Friction and Wear Behaviors of Two Kinds of Hydroxyl-Terminated Polydimethylsiloxane-Modified PU/EP IPN Composites Under Dry Sliding Conditions

verfasst von: Shoubing Chen, Qihua Wang, Tingmei Wang

Erschienen in: Tribology Letters | Ausgabe 3/2011

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Abstract

In this study, a systematic investigation on the tribological properties of two kinds of hydroxyl-terminated polydimethylsiloxane (HTPDMS)-modified castor oil-based polyurethane/epoxy resin (PU/EP) interpenetrating polymer network composites (IPN) was carried out through a pin-on-disk arrangement under dry sliding conditions. Experimental results revealed that the incorporation of HTPDMS can significantly improve the friction and wear properties of PU/EP IPN. Further, it was found that both the friction coefficient and wear loss decreased with increasing content of HTPDMS. The worn surface of the PU/EP IPN matrix and the modified composites were analyzed using scanning electron microscope and 3D noncontact surface-mapping profiler. The as-prepared and worn surfaces of the HTPDMS-modified PU/EP IPN were also investigated using X-ray photoelectron spectroscopy. The mechanisms for the improvement of tribological properties were discussed.

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Metadaten
Titel
Friction and Wear Behaviors of Two Kinds of Hydroxyl-Terminated Polydimethylsiloxane-Modified PU/EP IPN Composites Under Dry Sliding Conditions
verfasst von
Shoubing Chen
Qihua Wang
Tingmei Wang
Publikationsdatum
01.09.2011
Verlag
Springer US
Erschienen in
Tribology Letters / Ausgabe 3/2011
Print ISSN: 1023-8883
Elektronische ISSN: 1573-2711
DOI
https://doi.org/10.1007/s11249-011-9816-4

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