Complementary effects of solid lubricants in the automotive brake lining

Seong Jin Kim, Min Hyung Cho, Keun Hyung Cho, Ho Jang

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

An experimental investigation was carried out to examine the tribological behavior of NAO (non-asbestos organic) type brake linings containing different volume ratios of graphite and antimony trisulfide (Sb2S3). A scale dynamometer was used for friction tests and particular emphases were given to the effect of applied pressure, sliding speed, and temperature on the coefficient of friction according to the relative amounts of the two solid lubricants. Results showed that the brake linings with both solid lubricants exhibited better friction stability and less speed sensitivity than the friction materials containing a single solid lubricant. In particular, the brake lining containing higher concentrations of graphite showed better fade resistance than others during high-temperature friction test.

Original languageEnglish
Pages (from-to)15-20
Number of pages6
JournalTribology International
Volume40
Issue number1
DOIs
Publication statusPublished - 2007 Jan

Keywords

  • Antimony trisulfide
  • Brake lining
  • Friction characteristics
  • Graphite
  • Solid lubricant

ASJC Scopus subject areas

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

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