Experimental Investigation of Laser Surface Textured Parallel Thrust Bearings

Etsion, I.; Halperin, G.; Brizmer, Victor; Kligerman, Y.

doi:10.1023/b:tril.0000032467.88800.59

Cited by 327 publications

(203 citation statements)

References 8 publications

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“…Both the original "full" texturing and its modification form of "partial" texturing, as well as textured micro-grooves, were successfully applied to piston rings and cylinder liners [14−17]. The partial texturing concept was also found very useful in generating substantial hydrodynamic load capacity in hydrodynamic slider bearings and thrust bearings of the simplest form of parallel sliding disks [18,19]. Here the effect of the equivalent step is similar to the very efficient Raleigh step in a slider bearing.…”

Section: Introductionmentioning

confidence: 99%

Modeling of surface texturing in hydrodynamic lubrication

Etsion

2013

Friction

180

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Section: Introductionmentioning

confidence: 99%

Modeling of surface texturing in hydrodynamic lubrication

Etsion

2013

Friction

180

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“…This is due to the ratio of texture/non-texture portions of the surface resembling a step bearing. Etsion and his co-workers [10,11] experimentally investigated performance enhancements by laser-surface-textured parallel-thrust bearings. They compared the lubrication effects of partial and full laser surface texturing on one of the mating surfaces of a thrust bearing in terms of load-carrying capacity.…”

Section: Introductionmentioning

confidence: 99%

Facilitating the Study of the Texturing Effect on Hydrodynamic Lubrication

2018

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Abstract:To facilitate fundamental study of the surface texturing effect on hydrodynamic lubrication, analytical and experimental tools are required. While there is an extensive amount of theoretical and analytical analyses in the literature, relevant experimental studies are much rarer. A detailed study requires techniques by which one can (a) produce micron-sized textures on a millimeter-scale area on a specimen surface and (b) accurately measure the lubricating film thickness and load-carrying capacity of a bearing. The paper introduces the use of an efficient laser technique (direct laser interference patterning) and a custom-designed fixed-incline slider tester to address these points. A steel slider was textured with the laser technique to produce a surface pattern in the inlet region of the bearing contact. The characterization of the load-carrying capacity for different convergence ratios K is presented.

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“…This technique has been employed in the past decades as a well-known option for improving the load carrying capacity and wear resistance, and for reducing the friction coefficient of lubricated systems. By optimizing the texture dimensions, it is possible to retain lubricant and improve the hydrodynamic effect [1][2][3][4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

The Influence of Surface Texturing on the Film Thickness in Starved Lubricated Parallel Sliding Contacts

Bijani¹,

Deladi²,

Rooij

et al. 2018

Lubricants

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Abstract:In industrial applications, a starved lubrication condition may occur, leading to a reduction in film thickness; by modifying the surface geometry, the tribological performance of the contact is enhanced. In this paper, the influence of surface texturing as a method for reducing the friction on the film thickness in parallel sliding surfaces for starved lubricated contacts is investigated. The results in this study have shown that surface texturing can improve film formation for starved lubricated contacts and, respectively, the load carrying capacity. The effect of starvation on several texturing patterns with several texturing properties was investigated and the film thickness for these conditions was studied. With the numerical algorithm developed and taking cavitation into consideration, the effect of shape, depth, size, and texture pitch on the film thickness was studied.

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Experimental Investigation of Laser Surface Textured Parallel Thrust Bearings

Cited by 327 publications

References 8 publications

Modeling of surface texturing in hydrodynamic lubrication

Modeling of surface texturing in hydrodynamic lubrication

Facilitating the Study of the Texturing Effect on Hydrodynamic Lubrication

The Influence of Surface Texturing on the Film Thickness in Starved Lubricated Parallel Sliding Contacts

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