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HomeKey Engineering MaterialsKey Engineering Materials Vol. 858Observation of Tribological Wear on PEEK Shaft...

Observation of Tribological Wear on PEEK Shaft with Artificial Defect under Radial Rolling Sliding Point Contact

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Abstract:

This paper’s aim is to develop the tribological repair method in PEEK (Poly-ether-ether-ketone) polymer mechanical parts with surface damage. The radial rolling sliding contact tests were carried out by using a machined PEEK shaft with an artificial defect as surface damage. An alumina ball and a PTFE composite pin contacted a PEEK shaft specimen under cyclic compressive stress with friction. The particle as solid lubricant from a PTFE composite pin filled up the crevice of the artificial defect. After that, the artificial defect was covered with the deformed microgrooves on the PEEK shaft surface. Due to adhesion by compressive stress and friction, the crevice of the artificial defect was closed. In a running-in process, the artificial defect could be reduced by the adhesion repair.

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Polymer Science and Engineering

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Periodical:

Key Engineering Materials (Volume 858)

Pages:

95-100

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.858.95

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Online since:

August 2020

Authors:

Hitonobu Koike*, Junki Haruta, Gang Deng, Koshiro Mizobe, Katsuyuki Kida

Keywords:

Adhesion Repair, Alumina, PEEK, Rolling Sliding Contact, Surface Defect

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© 2020 Trans Tech Publications Ltd. All Rights Reserved

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