Understanding of Scuffing Proceb by Several In-Situ Observation Techniques

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The lubricated area can be recognized as "an enclosed space" surrounded by solid surfaces with relative motion. The solid surfaces are separated by thin films such as the hydrodynamic viscous film, absorbed film, and chemical reaction film. The orders of the thicknebes of the films range from nm to nm. In the lubricated area complex and transient phenomena occur based on the physical, chemical and material behaviours. Therefore, it is necebary but significant difficult to extract in situ information from the enclosed space without disturbances. One of ways to acceb to the lubricated area for in situ extraction of information is to replace one or both of solid surfaces with transparent material to employ optical techniques. So far, many in situ optical observation, measurement, and analysis techniques have been developed for the lubricated area. The author has also developed several in situ optical techniques for a better understanding of "scuffing", which is a catastrophic failure with a big wear scar as a result of significant increases in friction, wear, temperature, and vibrations. In this paper, developed in situ optical techniques, the scuffing proceb, and specific phenomena in the scuffing proceb are introduced..

Original languageEnglish
Pages (from-to)294-301
Number of pages8
JournalToraibarojisuto/Journal of Japanese Society of Tribologists
Issue number5
Publication statusPublished - 2019

All Science Journal Classification (ASJC) codes

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


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