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Self-Lubricating Polytetrafluoroethylene/Polyimide Blends Reinforced with Zinc Oxide Nanoparticles
State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing University of Technology, School of Materials Engineering, Nanjing Institute of Technology.
State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing University of Technology, School of Materials Engineering, Nanjing Institute of Technology.
School of Materials Engineering, Nanjing Institute of Technology.
School of Materials Engineering, Nanjing Institute of Technology.
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2015 (English)In: Journal of Nanomaterials, ISSN 1687-4110, E-ISSN 1687-4129, article id 545307Article in journal (Refereed) Published
Abstract [en]

ZnO nanoparticle reinforced polytetrafluoroethylene/polyimide (PTFE/PI) nanocomposites were prepared and their corresponding tribological and mechanical properties were studied in this work. The influences of ZnO loading, sliding load, and velocity on the tribological properties of ZnO/PTFE/PI nanocomposites were systematically investigated. Results reveal that nanocomposites reinforced with 3 wt% ZnO exhibit the optimal tribological and mechanical properties. Specifically, the wear loss decreased by 20% after incorporating 3 wt% ZnO compared to unfilled PTFE/PI. Meanwhile, the impact strength, tensile strength, and elongation-at-break of 3 wt% ZnO/PTFE/PI nanocomposite are enhanced by 85, 5, and 10% compared to pure PTFE/PI blend. Microstructure investigation reveals that ZnO nanoparticles facilitate the formation of continuous, uniform, and smooth transfer film and thus reduce the adhesive wear of PTFE/PI.

Place, publisher, year, edition, pages
2015. article id 545307
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-13871DOI: 10.1155/2015/545307ISI: 000366429500001Scopus ID: 2-s2.0-84950118460Local ID: d2e4ed85-bdce-4d47-9494-0d76b0c3795aOAI: oai:DiVA.org:ltu-13871DiVA, id: diva2:986824
Note
Validerad; 2015; Nivå 2; 20151130 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Shi, Yijun

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