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Open AccessArticle

Preparation and Tribological Behaviors of Lubrication-Enhanced PEEK Composites

1
School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China
2
Department of Chemistry, College of Science, Northeastern University, Shenyang 110819, China
*
Authors to whom correspondence should be addressed.
Appl. Sci. 2020, 10(21), 7536; https://doi.org/10.3390/app10217536
Received: 17 September 2020 / Revised: 21 October 2020 / Accepted: 21 October 2020 / Published: 26 October 2020
(This article belongs to the Section Mechanical Engineering)
Poly-ether-ether ketone (PEEK) is a great potential thermoplastic in industry and medical treatment and health. In this work, PEEK/graphene oxide (GO) and PEEK/MoS2 composites were prepared by a novel hot isostatic pressing method. The addition of GO alters the tribological behaviors mechanism; fatigue wear mechanism is predominant to PEEK/GO composites. However, the combination of abrasive and adhesive wear mechanisms is observed for PEEK/MoS2 composites and PEEK. The reason for this is that the hardness and tensile strength of composites are increased with the appropriate addition of GO. The response time to stable friction state of PEEK/GO and PEEK/MoS2 composites is reduced in comparison with PEEK, which is conducive to shorten running-in time, reduce the energy consumption, and improve the tribological performances of composites. The addition of GO and MoS2 can effectively decrease the friction coefficient and wear rate, and the optimal content of GO and MoS2 was 0.7 wt.% and 15 wt.%, respectively. The results indicate that PEEK/GO and PEEK/MoS2 are impressive composites that possess super tribological properties. View Full-Text
Keywords: poly-ether-ether ketone; graphene oxide (GO); molybdenum disulfide (MoS2); tribological behaviors; mechanism poly-ether-ether ketone; graphene oxide (GO); molybdenum disulfide (MoS2); tribological behaviors; mechanism
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MDPI and ACS Style

Yan, Y.; Jiang, C.; Huo, Y.; Li, C. Preparation and Tribological Behaviors of Lubrication-Enhanced PEEK Composites. Appl. Sci. 2020, 10, 7536. https://doi.org/10.3390/app10217536

AMA Style

Yan Y, Jiang C, Huo Y, Li C. Preparation and Tribological Behaviors of Lubrication-Enhanced PEEK Composites. Applied Sciences. 2020; 10(21):7536. https://doi.org/10.3390/app10217536

Chicago/Turabian Style

Yan, Yutao; Jiang, Cheng; Huo, Yuqiu; Li, Chaofeng. 2020. "Preparation and Tribological Behaviors of Lubrication-Enhanced PEEK Composites" Appl. Sci. 10, no. 21: 7536. https://doi.org/10.3390/app10217536

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