Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Preparation and Tribological Behaviours of Lubrication Enhanced PEEK Composites

Version 1 : Received: 17 September 2020 / Approved: 18 September 2020 / Online: 18 September 2020 (12:11:15 CEST)

A peer-reviewed article of this Preprint also exists.

Yan, Y.; Jiang, C.; Huo, Y.; Li, C. Preparation and Tribological Behaviors of Lubrication-Enhanced PEEK Composites. Appl. Sci. 2020, 10, 7536. Yan, Y.; Jiang, C.; Huo, Y.; Li, C. Preparation and Tribological Behaviors of Lubrication-Enhanced PEEK Composites. Appl. Sci. 2020, 10, 7536.

Journal reference: Appl. Sci. 2020, 10, 7536
DOI: 10.3390/app10217536

Abstract

Poly-ether-ether ketone (PEEK) is a great potential thermoplastic in industry and medical treatment and health. In this work, the PEEK/GO and PEEK/MoS2 composites were prepared by a novel hot isostatic pressing method. The addition of GO alters the tribological behaviours 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 is 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 reduces in compared with PEEK, which conduce to shorten running-in time, reduce 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.

Subject Areas

poly-ether-ether ketone; graphene oxide (GO); MoS2; tribological behaviours; mechanism

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