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Tribology Letters
Published in: Tribology Letters 4/2022

01-12-2022 | Original Paper

High-Pressure Lubrication of Polyethylethylene by Molecular Dynamics Approach

Authors: Ryoichi Katsukawa, Le Van Sang, Eiji Tomiyama, Hitoshi Washizu

Published in: Tribology Letters | Issue 4/2022

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Abstract

Polyethylene (PE) and branched PE are common materials inserted inside contacts for medical and industrial applications. Consequently, their tribological properties have been extensively investigated in the past. This paper aims to determine the lubrication behavior of polyethylethylene (PEE) for iron contact and the two main factors of temperature and carbon chain length influencing the lubrication in the high-pressure lubrication regime by molecular dynamics simulations. Additionally, the influences of pressure and sliding velocity on the friction are also considered. These factors are found to be significantly influencing the lubricity. The obtained results mainly originated from shear and stretching of the PEE molecules, condensed situation of the lubricants, and adhesion between the lubricants and the iron surfaces. These observations are explained in detail.
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Metadata
Title
High-Pressure Lubrication of Polyethylethylene by Molecular Dynamics Approach
Authors
Ryoichi Katsukawa
Le Van Sang
Eiji Tomiyama
Hitoshi Washizu
Publication date
01-12-2022
Publisher
Springer US
Published in
Tribology Letters / Issue 4/2022
Print ISSN: 1023-8883
Electronic ISSN: 1573-2711
DOI
https://doi.org/10.1007/s11249-022-01638-8

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