The effect of various surface treatments on piston pin scuffing resistance

Etsion, I.; Halperin, G.; Becker, Edward P.

doi:10.1016/j.wear.2006.01.032

Cited by 92 publications

(32 citation statements)

References 8 publications

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“…They illustrated that micro-irregularities are able to generate additional hydrodynamic pressure, so that higher load carrying capacity can be achieved. In 1996, Etsion and Bustein's paper opened a new chapter in this area, and remarkable progress has been made in both theoretical modeling and experimental identification over the past 20 years [9]. In the meantime, research into surface texturing has grown significantly globally by many research groups.…”

Section: Introductionmentioning

confidence: 99%

The Friction Reducing Effect of Square-Shaped Surface Textures under Lubricated Line-Contacts—An Experimental Study

Wood

Gee

et al. 2016

Lubricants

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Surface texturing has been shown to be an effective modification approach for improving tribological performance. This study examined the friction reduction effect generated by square dimples of different sizes and geometries. Dimples were fabricated on the surface of ASP2023 steel plates using femtosecond laser-assisted surface texturing techniques, and reciprocating sliding line contact tests were carried out on a Plint TE77 tribometer using a smooth 52100 bearing steel roller and textured ASP2023 steel plates. The tribological characterization of the friction properties indicated that the textured samples had significantly lowered the friction coefficient in both boundary (15% improvement) and mixed lubrication regimes (13% improvement). Moreover, the high data sampling rate results indicated that the dimples work as lubricant reservoirs in the boundary lubrication regime.

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Section: Introductionmentioning

confidence: 99%

The Friction Reducing Effect of Square-Shaped Surface Textures under Lubricated Line-Contacts—An Experimental Study

Wood

Gee

et al. 2016

Lubricants

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“…They proposed a scuffing criterion stating that scuffing failure would occur when the maximum surface tangential traction is larger than the modified shear strength. Etsion et al (2006) evaluated the effect of various surface engineering methods on the tribological performance of a piston pin on a test rig. Takiguchi et al (1996) and Suhara et al (1997) dealt experimentally with friction and lubrication characteristics of the small end connecting rod bearing and the piston pin boss bearing, respectively.…”

Section: Introductionmentioning

confidence: 99%

Analysis of piston-pin lubrication considering the effects of structure deformation and cavitation

Yue-hui

et al. 2015

J. Zhejiang Univ. Sci. A

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Abstract:Running conditions for piston pin boss bearing have become very severe due to the high combustion pressure and piston temperature increase over the past ten years. The aim of this paper was to analyze the friction and lubrication characteristic of piston pin boss bearings and a connecting rod small end bearing. This paper provided a comprehensive analysis of piston pin based on a multi-body dynamic model which considers the oil film cavitation and structure deformation. Effects of different lubrication models, pin structures, and thermal deformation on the lubrication were discussed. The lubrication characteristics and performance parameters including oil film pressure distribution, asperity contact pressure, the minimum oil film thickness, the maximum oil film pressure, and friction power loss were listed. The results showed that the minimum oil film thickness was very different and the maximum oil film pressure was nearly the same. A parabola profile of pin bore can reduce the wear to some extent, and a flare profile intensified wear in some places and caused the wear to be concentrated on a smaller area. Reducing the inner diameters will reduce the wear of the pin boss. However, in a realistic design of the pin, avoiding high inertial force of the piston system and satisfying the demand for reliability of the pin, increasing the inner diameters and reliability is a 'trade off' problem. A suitable design of the hollow diameter is very important. The results can provide guidance for the design of the pin boss bearing.

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“…Etsion et al [31] studied the effect of various surface treatments on piston pin scuffing resistance. Three different surface treatments, CrN coating, DLC coating, and laser surface texturing, were tested in comparison to a standard reference pin.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Oil Pockets Shape and Distribution on Seizure Resistance in Lubricated Sliding

et al. 2009

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The results of experimental investigations on the effect of the oil pockets existence on seizure resistance of sliding elements are presented. Seizure tests were conducted with block-on-ring apparatus at increasing pressure. The stationary block (counter specimen) contacted the rotating steel ring (specimen). The tested assemblies were lubricated by oil L-AN 46, which was heated to 30°C before each experiment. The sliding was unidirectional. The block was a part of a bearing sleeve-hardened EN-GJS 400-15 cast iron with a hardness value of 50 HRC. The ring samples, 35 mm in diameter, were made from hardened 42CrMo4 steel of hardness 32 HRC. The friction force and temperature near the contact zone were measured during the tests. Some variants of specimen surfaces were created by burnishing technique. They were characterised by the oil pocket density, the holes depth, length, and width. The oil pockets existence of area density of 10% on the ring surface improved seizure resistance of the sliding pair steel-cast iron for speed of 0.27 m/s. The pit shape and orientation are very important, too.

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The effect of various surface treatments on piston pin scuffing resistance

Cited by 92 publications

References 8 publications

The Friction Reducing Effect of Square-Shaped Surface Textures under Lubricated Line-Contacts—An Experimental Study

The Friction Reducing Effect of Square-Shaped Surface Textures under Lubricated Line-Contacts—An Experimental Study

Analysis of piston-pin lubrication considering the effects of structure deformation and cavitation

The Effect of Oil Pockets Shape and Distribution on Seizure Resistance in Lubricated Sliding

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