Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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Effects of the Relative Amounts of Graphite and Antimony Trisulfide (Sb$_2$S$_3$) on Brake Performance of Non-asbestos Organic (NAO) Type Brake Linings

흑연과 삼황화안티몬의 상대적인 함량에 따른 비석면 유기질 마찰재의 제동특성에 관한 연구

  • Kim, Seong-Jin (Department of Advanced Materials Engineering, Korea University) ;
  • Jang, Ho (Department of Advanced Materials Engineering, Korea University)
  • 김성진 (고려대학교 신소재공학과) ;
  • 장호 (고려대학교 신소재공학과)
  • Published : 2001.10.01
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Abstract

Tribological behavior of NAO type brake linings containing different volume ratios of graphite and Sb$_2$S$_3$ was investigated using a scale dynamometer. Three different test modes consisting of stop, drag, and fade tests were employed to elucidate the effect of the solid lubricants on brake performance. Results of this work showed that the two solid lubricants, graphite and Sb$_2$S$_3$, significantly affected friction characteristics at various braking situations. Compared with the brake linings containing a single lubricant, the brake linings containing both solid lubricants showed better friction stability due to the synergistic effect of the two disparate lubricants during the stop and the drag test. In particular, in the case of containing two solid lubricants, the brake lining with higher contents of graphite showed better fade resistance than others.

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References

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