Effect of Temperature on Friction and Wear Properties of the Modified PTFE Three-Layer Composites

Ting Xie; Hui Yang; Wen Juan Yang; Hua Ping Yang

doi:10.4028/www.scientific.net/AMM.470.124

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 470Effect of Temperature on Friction and Wear...

Effect of Temperature on Friction and Wear Properties of the Modified PTFE Three-Layer Composites

Abstract:

Because of the differences in application fields, regions, seasons and others, there are great changes in the service temperature. Therefore, it is very important to study the effect of temperature on the tribological behavior and service life of the polymeric composites, which has great significance for the material design and application selection of the modified PTFE three-layer composites. The tested results showed that the friction coefficient of the samples decreases with the increase of the test temperature. The wear loss rises gradually as the temperature increases, except for the abnormal higher wear at 20°C due to the crystal structure transformation of PTFE at l9°C. The wear mechanisms at different temperatures are different: at lower temperatures, the main wear mode is adhesive transfer and fatigue wear and a little peeling, belonging to normal wear. At higher temperatures, the main wear mode is a large number of adhesive transfer with large deformation or even melting.

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Periodical:

Applied Mechanics and Materials (Volume 470)

Pages:

124-127

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.470.124

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Online since:

December 2013

Authors:

Ting Xie*, Hui Yang, Wen Juan Yang, Hua Ping Yang

Keywords:

Friction, Polytetrafluoroethylene (PTFE), Temperature, Wear

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