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Title: Effect of geometrical parameters in micro-grooved crosshatch pattern under lubricated sliding friction
Authors: Suh, Min-soo
Chae, Young-hun
Kim, Seock-sam
Hinoki, Tatsuya  kyouindb  KAKEN_id
Kohyama, Akira
Keywords: Surface texture
Sliding friction
Elastohydrodynamic lubrication
Fluid mechanics
Issue Date: Aug-2010
Publisher: Elsevier Ltd
Volume: 43
Issue: 8
Start page: 1508
End page: 1517
Abstract: Tribological test was carried out using a pin-on-disc geometry with textured SKD11 pin on bearing steel disc, under sliding in paraffin oil. Micro-grooved crosshatch pattern has been fabricated with various angles and widths. The effects of geometrical parameters on friction were mainly examined in mixed and elastohydrodynamic lubrication. The results show that friction control can be achieved by fabricating the micro-grooved crosshatch pattern on a contact surface. It is observed that each geometrical parameter of texture influence on friction, especially decrease of groove aspect ratio and increases of groove sliding length show friction reduction performance. Crucial parameter Gl was proposed for micro-grooved crosshatch texture. The friction mechanism is explained by micro fluid flow with limited theoretical approach.
Rights: © 2010 Elsevier Ltd
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
DOI(Published Version): 10.1016/j.triboint.2010.02.012
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