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Fabric composites are widely applied as self-lubricating liner for radial spherical plain bearings owing to their excellent mechanical and tribological properties. Nevertheless, the poor interfacial strength between fibers and the resin matrix limits the performance of composites utilized as tribo-materials. To overcome this drawback, a mild layer-by-layer (LbL) self-assembly method was successfully used to construct hybrid fabric composites in the present work. In addition, this investigation addressed the effect of self-assembly cycles on the friction and wear behaviors of hybrid fabric composites under dry sliding condition. The results demonstrate that fabric composites with three or more self-assembly cycles have significantly enhanced surface activities and anti-wear performances. The results obtained in this work can provide guidance in the preparation of self- lubricating liner composites and highlight how the LbL self-assembly techniques could influence the properties of hybrid fabric composites.


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Fabrication of PTFE/Nomex fabric/phenolic composites using a layer-by-layer self-assembly method for tribology field application

Show Author's information Mingming YANG1Zhaozhu ZHANG1( )Junya YUAN1,2Liangfei WU1,2Xin ZHAO1Fang GUO1( )Xuehu MEN3Weimin LIU1
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
University of Chinese Academy of Sciences, Beijing 100039, China
School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China

Abstract

Fabric composites are widely applied as self-lubricating liner for radial spherical plain bearings owing to their excellent mechanical and tribological properties. Nevertheless, the poor interfacial strength between fibers and the resin matrix limits the performance of composites utilized as tribo-materials. To overcome this drawback, a mild layer-by-layer (LbL) self-assembly method was successfully used to construct hybrid fabric composites in the present work. In addition, this investigation addressed the effect of self-assembly cycles on the friction and wear behaviors of hybrid fabric composites under dry sliding condition. The results demonstrate that fabric composites with three or more self-assembly cycles have significantly enhanced surface activities and anti-wear performances. The results obtained in this work can provide guidance in the preparation of self- lubricating liner composites and highlight how the LbL self-assembly techniques could influence the properties of hybrid fabric composites.

Keywords: friction, wear, LbL self-assembly, hybrid fabric

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Publication history

Received: 10 August 2018
Revised: 20 November 2018
Accepted: 28 November 2018
Published: 15 March 2019
Issue date: April 2020

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© The author(s) 2019

Acknowledgements

This work was supported by the National Nature Science Foundation of China (Nos. 51805516 and 51675252).

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