Relationship between statistical parameters of lip surface microtopography and coefficient of friction of radial shaft seals

Hirotaka Mizuta, Yuki Sato, Joichi Sugimura

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The influence of lip surface topography on lubrication of radial shaft seals was studied experimentally. Lip surface profiles taken in the direction of sliding for four different lip materials were analyzed using conventional surface texture parameters. The parameters from the four categories including height, spatial, hybrid and functional parameters, for twelve profiles obtained at four circumferential positions on each specimen were calculated. Distribution and median of each parameter were compared among the materials. Each parameter had a different distribution depending on the materials. The median of each parameter was compared with the coefficient of friction. It was found that density of peaks and correlation distance correlated well with the coefficient of friction in the fully flooded conditions. This is in agreement with the theoretical analysis of hydrodynamic lubrication using deterministic models of surface topography.

Original languageEnglish
Pages (from-to)52-59
Number of pages8
JournalToraibarojisuto/Journal of Japanese Society of Tribologists
Volume57
Issue number1
Publication statusPublished - Jan 15 2012

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coefficient of friction
Seals
Surface topography
Friction
Lubrication
lubrication
topography
Hydrodynamics
Textures
profiles
sliding
textures
hydrodynamics
Direction compound

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

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N2 - The influence of lip surface topography on lubrication of radial shaft seals was studied experimentally. Lip surface profiles taken in the direction of sliding for four different lip materials were analyzed using conventional surface texture parameters. The parameters from the four categories including height, spatial, hybrid and functional parameters, for twelve profiles obtained at four circumferential positions on each specimen were calculated. Distribution and median of each parameter were compared among the materials. Each parameter had a different distribution depending on the materials. The median of each parameter was compared with the coefficient of friction. It was found that density of peaks and correlation distance correlated well with the coefficient of friction in the fully flooded conditions. This is in agreement with the theoretical analysis of hydrodynamic lubrication using deterministic models of surface topography.

AB - The influence of lip surface topography on lubrication of radial shaft seals was studied experimentally. Lip surface profiles taken in the direction of sliding for four different lip materials were analyzed using conventional surface texture parameters. The parameters from the four categories including height, spatial, hybrid and functional parameters, for twelve profiles obtained at four circumferential positions on each specimen were calculated. Distribution and median of each parameter were compared among the materials. Each parameter had a different distribution depending on the materials. The median of each parameter was compared with the coefficient of friction. It was found that density of peaks and correlation distance correlated well with the coefficient of friction in the fully flooded conditions. This is in agreement with the theoretical analysis of hydrodynamic lubrication using deterministic models of surface topography.

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