Microlubrication effect by laser-textured steel surfaces

P. Andersson; J. Koskinen; S. Varjus; Y. Gerbig; H. Haefke; S. Georgiou; B. Zhmud; W. Buss

doi:10.1016/j.wear.2006.06.003

Microlubrication effect by laser-textured steel surfaces

P. Andersson^*, J. Koskinen, S. Varjus, Y. Gerbig, H. Haefke, S. Georgiou, B. Zhmud, W. Buss

^*Corresponding author for this work

Not published at Aalto University

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

211 Citations (Scopus)

Abstract

The beneficial effect on lubrication achieved through microtexturing of sliding surfaces by laser ablation and polishing was investigated. The investigation was based on two independent experimental approaches with oil-lubricated smooth and laser-textured steel surfaces in oscillating sliding contact with a steel ball. Two types of laser-textured patterns of microcavities were studied. It was found that, in comparison with smooth steel surfaces, the laser-texturing significantly reduced friction and wear. The most significant improvement in the tribological performance was achieved with an oil of high viscosity combined with a texture comprising a low density of deep microcavities with a small opening.

Original language	English
Pages (from-to)	369-379
Number of pages	11
Journal	Wear
Volume	262
Issue number	3-4
DOIs	https://doi.org/10.1016/j.wear.2006.06.003
Publication status	Published - 4 Feb 2007
MoE publication type	A1 Journal article-refereed

Keywords

Friction
Laser-texturing
Lubrication
Wear

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10.1016/j.wear.2006.06.003

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title = "Microlubrication effect by laser-textured steel surfaces",

abstract = "The beneficial effect on lubrication achieved through microtexturing of sliding surfaces by laser ablation and polishing was investigated. The investigation was based on two independent experimental approaches with oil-lubricated smooth and laser-textured steel surfaces in oscillating sliding contact with a steel ball. Two types of laser-textured patterns of microcavities were studied. It was found that, in comparison with smooth steel surfaces, the laser-texturing significantly reduced friction and wear. The most significant improvement in the tribological performance was achieved with an oil of high viscosity combined with a texture comprising a low density of deep microcavities with a small opening.",

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AU - Andersson, P.

AU - Koskinen, J.

AU - Varjus, S.

AU - Gerbig, Y.

AU - Haefke, H.

AU - Georgiou, S.

AU - Zhmud, B.

AU - Buss, W.

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AB - The beneficial effect on lubrication achieved through microtexturing of sliding surfaces by laser ablation and polishing was investigated. The investigation was based on two independent experimental approaches with oil-lubricated smooth and laser-textured steel surfaces in oscillating sliding contact with a steel ball. Two types of laser-textured patterns of microcavities were studied. It was found that, in comparison with smooth steel surfaces, the laser-texturing significantly reduced friction and wear. The most significant improvement in the tribological performance was achieved with an oil of high viscosity combined with a texture comprising a low density of deep microcavities with a small opening.

KW - Friction

KW - Laser-texturing

KW - Lubrication

KW - Wear

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