Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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An Experimental Study on the Effect of Wear Particles on the Sliding Behavior of Silver-Coated Bearing Steels

은 박막이 코팅된 베어링강의 마찰거동에 미치는 마모입자의 영향에 대한 실험적 고찰

  • 양승호 (한국과학기술연구원 트라이볼로지 연구센타) ;
  • 공호성 (한국과학기술연구원 트라이볼로지 연구센타) ;
  • 윤의성 (한국과학기술연구원 트라이볼로지 연구센타) ;
  • 김대은 (연세대학교 기계공학과)
  • Published : 2001.06.01
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Abstract

The effect of silver particles on the sliding behavior of bearing steels was studied experimentally by using a ball-on-disk tribometer. Tests were performed in ambient air, dry air and vacuum. Disks of AISI 52100 were silver-coated by a thermal evaporation method, and the effects of silver particle transfer on friction were analyzed. In order to understand further the mechanism of silver particle transfer and its effect on friction and wear, pre-compressed silver particles were artificially introduced into the friction interface and the results were compared to those of silver-coated specimens. Results showed that the introduced silver particles produced transfer layers and resulted in low friction. It also showed that this low friction is closely related to the characteristic behavior of transfer layers. Shakedown occurred at the friction interface affected the friction and wear.

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References

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