Effects of lubrication and humidity on the abrasiveness of a thin boron carbide coating

M. T. Siniawski*, A. Martini, S. J. Harris, Q. Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Studies using thin boron carbide (B4C) coatings have previously been performed in order to investigate their potential use as finite-life run-in coatings. Such coatings have been shown to polish the mating surface in a relatively short time. The inherent ability of these coatings to polish can potentially allow them to function as finite-life run-in coatings. Employing such coatings requires a thorough understanding of the parameters which directly influence the changes that occur in the coating abrasiveness throughout the duration of the polishing process. In past studies, changes in the coating abrasiveness during dry sliding wear under ambient conditions have been investigated. However, both lubrication and humidity can strongly influence the abrasive wear process. In this study, the influences of the operating environment, namely humidity and lubrication, on the coating abrasiveness are directly investigated. The coating abrasiveness decreases at a slower rate when a lubricant is added and when the humidity decreases.

Original languageEnglish (US)
Pages (from-to)185-195
Number of pages11
JournalTribology Letters
Volume18
Issue number2
DOIs
StatePublished - Feb 1 2005

Keywords

  • Abrasiveness
  • BC
  • Coating
  • Humidity
  • Lubrication

ASJC Scopus subject areas

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

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