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Research Article | Open Access

Analysis of the coated and textured ring/liner conjunction based on a thermal mixed lubrication model

Chunxing GU1,3, Xianghui MENG1,3( ), Di ZHANG2
 State Key Laboratory of Mechanical System and Vibration, Shanghai Jiaotong University, Shanghai 200240, China
 School of Mechanical Electronic Technology, Shanghai Jianqiao University, Shanghai 201306, China
 School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240, China
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Abstract

For the ring/liner conjunction, well-designed surface texturing has been regarded as a potential means to improve its tribological performance, as well as the application of coating. However, so far most researchers focused on the one of these aspects. In this study, the combined effect of coating and texturing on the performance of ring/liner conjunction is numerically investigated. A thermal mixed lubrication model is presented. The effects of the coating’s thermal and mechanical properties on the tribological performance are studied under the cold and warm engine operating conditions. Along with the increasing coating thickness, the effects of the coating’s thermal properties on friction loss are found to be significant, as well as the effects of the coating’s mechanical properties. It is also found that a soft coating with a lower thermal inertia has a greater ability to reduce the friction loss of the textured conjunction.

Keywords

thermal mixed lubricationsurface coatingsurface texturingpiston ringtribological performance

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Friction
Volume 6 Issue 4,
December 2018
Pages 420-431
DOI: 10.1007/s40544-017-0176-4
Cite this article:
GU C, MENG X, ZHANG D. Analysis of the coated and textured ring/liner conjunction based on a thermal mixed lubrication model. Friction, 2018, 6(4): 420-431. https://doi.org/10.1007/s40544-017-0176-4

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Received: 21 March 2017
Revised: 07 June 2017
Accepted: 19 June 2017
Published: 05 December 2017
© The author(s) 2017

This article is published with open access at Springerlink.com

Open Access: The articles published in this journal are distributed under the terms of the Creative Commons Attribution 4.0 International License (http:// creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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