Friction behavior of a multi-interface system and improved performance by AlMgB14-TiB2-C and diamond-like-carbon coatings

Jun Qu; Peter J. Blau; Clifton Higdon; Bruce A. Cook

doi:10.1016/j.triboint.2016.03.022

Friction behavior of a multi-interface system and improved performance by AlMgB₁₄-TiB₂-C and diamond-like-carbon coatings

Jun Qu, Peter J. Blau, Clifton Higdon, Bruce A. Cook

Surface Engineering and Tribology

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

This study investigated friction behavior of a bearing system with two interfaces involved: a roller component experiencing rolling-sliding interaction against twin cylinders under point contacts while simultaneously undergoing pure sliding interaction against a socket under a conformal contact. Lubrication modeling predicted a strong correlation between the roller's rolling condition and the system's friction behavior. Experimental observations first validated the analytical predictions using steel and iron components. Diamond-like-carbon (DLC) coating and AlMgB₁₄-TiB₂ coating with a carbon topcoat (BAMC) were then applied to the roller and twin cylinders, respectively. Testing and analysis results suggest that the coatings effectively decreased the slip ratio for the roller-cylinder contact and the sliding friction at both bearing interfaces and, as a result, significantly reduced the system frictional torque.

Original language	English
Pages (from-to)	182-186
Number of pages	5
Journal	Tribology International
Volume	99
DOIs	https://doi.org/10.1016/j.triboint.2016.03.022
State	Published - Jul 1 2016

Funding

This manuscript has been authored by UT-Battelle, LLC, under Contract no. DE-AC05-00OR22725 with the US Department of Energy . The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes.

Funders	Funder number
US Department of Energy
Office of Energy Efficiency and Renewable Energy

Keywords

AlMgB-TiB
DLC
Multi-interface system
Rolling-sliding

Access to Document

10.1016/j.triboint.2016.03.022

Cite this

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title = "Friction behavior of a multi-interface system and improved performance by AlMgB14-TiB2-C and diamond-like-carbon coatings",

abstract = "This study investigated friction behavior of a bearing system with two interfaces involved: a roller component experiencing rolling-sliding interaction against twin cylinders under point contacts while simultaneously undergoing pure sliding interaction against a socket under a conformal contact. Lubrication modeling predicted a strong correlation between the roller's rolling condition and the system's friction behavior. Experimental observations first validated the analytical predictions using steel and iron components. Diamond-like-carbon (DLC) coating and AlMgB14-TiB2 coating with a carbon topcoat (BAMC) were then applied to the roller and twin cylinders, respectively. Testing and analysis results suggest that the coatings effectively decreased the slip ratio for the roller-cylinder contact and the sliding friction at both bearing interfaces and, as a result, significantly reduced the system frictional torque.",

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