Effect of laser-texturing morphology on tribological performance of face seal pairs

WAN Yi; LI Jianliang

doi:10.7510/jgjs.issn.1001-3806.2015.04.017

LASER TECHNOLOGY > 2015 > 39(4): 506-509. > DOI: 10.7510/jgjs.issn.1001-3806.2015.04.017

WAN Yi, LI Jianliang. Effect of laser-texturing morphology on tribological performance of face seal pairs[J]. LASER TECHNOLOGY, 2015, 39(4): 506-509. DOI: 10.7510/jgjs.issn.1001-3806.2015.04.017

Citation:

WAN Yi, LI Jianliang. Effect of laser-texturing morphology on tribological performance of face seal pairs[J]. LASER TECHNOLOGY, 2015, 39(4): 506-509. DOI: 10.7510/jgjs.issn.1001-3806.2015.04.017

Citation:

WAN Yi, LI Jianliang. Effect of laser-texturing morphology on tribological performance of face seal pairs[J]. LASER TECHNOLOGY, 2015, 39(4): 506-509. DOI: 10.7510/jgjs.issn.1001-3806.2015.04.017

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Effect of laser-texturing morphology on tribological performance of face seal pairs

WAN Yi¹,
LI Jianliang²

1.
Department of Electromechanical Engineering, Jincheng College, Nanjing University of Aeronautics and Astronautics, Nanjing 211156, China;
2.
School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

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Received Date: July 24, 2014
Revised Date: August 12, 2014
Published Date: July 24, 2015

Graphical Abstract

Abstract

Abstract

In order to study effect of laser surface texturing on tribological properties of face seal materials, GCr15 steel disc was textured by Nd:YAG solid-state pulsed laser to form two surface morphologies of dimple and groove. The tribological performance for polytetrafluoroethylene ring/GCr15 disc (simulating face seal) was tested on the friction tester and the worn surface morphologies were analyzed. The results show that friction coefficient and wear loss of textured samples are lower than the smooth in the oil lubrication condition. And the wear resistance of dimple-textured sample was better than the groove because the groove-textured arrangement caused the oil film thickness uneven and the friction coefficient fluctuated. Under the dry friction condition, the existence of the favorable texturing can maintain the transfer film, capture wear debris and reduce abrasive wear. Compared with the smooth sample, the wear rate of the pair can be reduced.
- laser technique,
- antiwear and friction,
- surface texturing,
- face seal

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References (12)

References

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