Film forming behavior in thin film lubrication at high speeds

He LIANG; Dan GUO; Jianbin LUO

doi:10.1007/s40544-017-0159-5

Friction 2018, 6(2): 156-163 https://doi.org/10.1007/s40544-017-0159-5

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Open Access | Issue | Published: 21 July 2017

Film forming behavior in thin film lubrication at high speeds

Show Author's Information Hide Author's Information He LIANG, Dan GUO(

), Jianbin LUO(

)

State Key Laboratory of Tribology, Tsinghua University, Beijing 100086, China

Keywords:

starvation, thin film lubrication, thin EHL film, high speeds

Cite this article:

LIANG H, GUO D, LUO J. Film forming behavior in thin film lubrication at high speeds. Friction, 2018, 6(2): 156-163. https://doi.org/10.1007/s40544-017-0159-5

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Abstract Full text About this article

Abstract

The film forming condition may transit into thin film lubrication (TFL) at high speeds when it is under severe starvation. Central film thicknesses and film thickness profiles are obtained via a technique of relative optical interference intensity. These profiles show a critical film thickness lower than which the absolute values of the film thickness gradient against speed or time decrease. It is possible to be in the thin film lubrication mode under such conditions. The high speed flow drives the lubricant molecules to rearrange in TFL and critical film thickness higher than 100 nm is achieved. The viscosity is one of the main factors controlling the decreasing rate and the critical film thickness. This paper is designed to investigate the thin film lubrication behavior at high speeds.

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About this article

Film forming behavior in thin film lubrication at high speeds

Show Author's information Hide Author's Information He LIANG, Dan GUO(

), Jianbin LUO(

)

State Key Laboratory of Tribology, Tsinghua University, Beijing 100086, China

Abstract

Keywords: starvation, thin film lubrication, thin EHL film, high speeds

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Acknowledgements

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Publication history

Received: 23 December 2016

Revised: 16 February 2017

Accepted: 24 March 2017

Published: 21 July 2017

Issue date: June 2018

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Acknowledgements

The work is financially supported by National Natural Science Foundation of China (Nos. 51375255, 51321092, and 51527901).

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