Tribology and Lubricants

  • 제17권5호
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  • Pages.386-390
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  • 2001
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  • 2713-8011(pISSN)
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  • 2713-802X(eISSN)
한국트라이볼로지학회 (Korean Tribology Society)
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다양한 유기분자막의 마찰특성 비교

Comparison of the Tribological behaviors of Various Organic Molecular Films

  • 김두인 (한국과학기술연구원 트라이볼로지연구센터) ;
  • 안효석 (한국과학기술연구원 트라이볼로지연구센터) ;
  • 김충현 (한국과학기술연구원 트라이볼로지연구센터) ;
  • ;
  • ;
  • ;
  • V. Tsukruk (Dept. Material Science and Eng., Iowa State University)
  • 발행 : 2001.10.01
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초록

Monolayers such as self-assembled monolayer (SAM) have received considerable attention to reduce stiction and friction in micro-devices and microelectromechanical systems (MEMS). Various organic molecular films were investigated to obtain better understanding of their tribological behaviors and adhesion property. The organic molecular films studied in this work are: epoxysilane SAMs, octadecyltricholosilane (OST), multi-layers composed of epoxysilane SAMs, poly[styrene-b-(ethylene-co-butylene)-b-styrene](SEBS) and compound of epoxy resin and poly (paraphenylene)(EP/PPP). The pull-off forces of these films were also obtained from force-distance curves measured in static mode of operation of atomic force microscope(AFM). Tribological tests were conducted with a ball-on-flat reciprocating friction tester. The OST showed the lowest pull-off force, indicating its low adhesion property. It was revealed that, the OST, EP/PPP and the multi-layer of epoxysilane SAMs, SEBS and EP/PPP exhibited good tribological properties at the lower load (0.3 N) whereas the OST showed best performance at the higher load (1.8 N).

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