The tribological properties of single-layer hybrid PTFE/Nomex fabric/phenolic resin composites underwater

In this study, the tribological properties of hybrid polytetrafluoroethylene (PTFE)/Nomex fabric/phenolic resin composites were investigated under three operating conditions: dry sliding, dry sliding after soaking in water for 12 h, and water dripping lubrication. The friction coefficient (COF) was...

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Autores principales:	Ying Liu, Gengyuan Gao, Dan Jiang, Zhongwei Yin
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	ptfe/nomex fibers friction water-lubricated bearings Physics QC1-999
Acceso en línea:	https://doaj.org/article/1bffc563779c480487673e83cdca706c
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spelling	oai:doaj.org-article:1bffc563779c480487673e83cdca706c2021-12-05T14:11:02ZThe tribological properties of single-layer hybrid PTFE/Nomex fabric/phenolic resin composites underwater2391-547110.1515/phys-2021-0061https://doaj.org/article/1bffc563779c480487673e83cdca706c2021-10-01T00:00:00Zhttps://doi.org/10.1515/phys-2021-0061https://doaj.org/toc/2391-5471In this study, the tribological properties of hybrid polytetrafluoroethylene (PTFE)/Nomex fabric/phenolic resin composites were investigated under three operating conditions: dry sliding, dry sliding after soaking in water for 12 h, and water dripping lubrication. The friction coefficient (COF) was measured with a pin-on-disk tribometer. The wear surface was analyzed with a scanning electron microscope. The results show that water weakens the tribological properties of single-layer hybrid PTFE/Nomex fabric/phenolic resin composites. The fabric composites show slight abrasive wear with stable COF under dry sliding conditions, significant abrasive wear with oscillating COF after soaking, and destruction with severely oscillating COF under water dripping lubrication. Generally, water weakens the effect in two ways. The first is weakening the binding force between phenolic resin and Nomex fiber. The second is that Nomex fiber absorbs water and expands, which reduces its strength. Finally, the ideas to improve the tribological properties under water dripping lubrication are presented.Ying LiuGengyuan GaoDan JiangZhongwei YinDe Gruyterarticleptfe/nomex fibersfrictionwater-lubricated bearingsPhysicsQC1-999ENOpen Physics, Vol 19, Iss 1, Pp 609-617 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ptfe/nomex fibers friction water-lubricated bearings Physics QC1-999
spellingShingle	ptfe/nomex fibers friction water-lubricated bearings Physics QC1-999 Ying Liu Gengyuan Gao Dan Jiang Zhongwei Yin The tribological properties of single-layer hybrid PTFE/Nomex fabric/phenolic resin composites underwater
description	In this study, the tribological properties of hybrid polytetrafluoroethylene (PTFE)/Nomex fabric/phenolic resin composites were investigated under three operating conditions: dry sliding, dry sliding after soaking in water for 12 h, and water dripping lubrication. The friction coefficient (COF) was measured with a pin-on-disk tribometer. The wear surface was analyzed with a scanning electron microscope. The results show that water weakens the tribological properties of single-layer hybrid PTFE/Nomex fabric/phenolic resin composites. The fabric composites show slight abrasive wear with stable COF under dry sliding conditions, significant abrasive wear with oscillating COF after soaking, and destruction with severely oscillating COF under water dripping lubrication. Generally, water weakens the effect in two ways. The first is weakening the binding force between phenolic resin and Nomex fiber. The second is that Nomex fiber absorbs water and expands, which reduces its strength. Finally, the ideas to improve the tribological properties under water dripping lubrication are presented.
format	article
author	Ying Liu Gengyuan Gao Dan Jiang Zhongwei Yin
author_facet	Ying Liu Gengyuan Gao Dan Jiang Zhongwei Yin
author_sort	Ying Liu
title	The tribological properties of single-layer hybrid PTFE/Nomex fabric/phenolic resin composites underwater
title_short	The tribological properties of single-layer hybrid PTFE/Nomex fabric/phenolic resin composites underwater
title_full	The tribological properties of single-layer hybrid PTFE/Nomex fabric/phenolic resin composites underwater
title_fullStr	The tribological properties of single-layer hybrid PTFE/Nomex fabric/phenolic resin composites underwater
title_full_unstemmed	The tribological properties of single-layer hybrid PTFE/Nomex fabric/phenolic resin composites underwater
title_sort	tribological properties of single-layer hybrid ptfe/nomex fabric/phenolic resin composites underwater
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/1bffc563779c480487673e83cdca706c
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The tribological properties of single-layer hybrid PTFE/Nomex fabric/phenolic resin composites underwater

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