Tribology and Lubricants

  • 제25권4호
  • /
  • Pages.207-216
  • /
  • 2009
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  • 2713-8011(pISSN)
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  • 2713-802X(eISSN)
한국트라이볼로지학회 (Korean Tribology Society)
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열가소성 폴리머 필름의 트라이볼로지 특성에 대한 온도의 영향

Effects of Temperature on the Tribological Characteristics of Thermoplastic Polymer Film

  • 김광설 (한국기계연구원 나노융합기계연구본부) ;
  • 허정철 (한국과학기술원 기계항공시스템학부) ;
  • 김경웅 (한국과학기술원 기계항공시스템학부)
  • Kim, Kwang-Seop (Nano-Mechanical Systems Research Division, Korea Institute of Machinery & Materials(KlMM)) ;
  • Heo, Jung-Chul (School of Mechanical, Aerospace & Systems Engineering, Korea Advanced Institute of Science and Technology(KAIST)) ;
  • Kim, Kyung-Woong (School of Mechanical, Aerospace & Systems Engineering, Korea Advanced Institute of Science and Technology(KAIST))
  • 발행 : 2009.08.31
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초록

Friction tests were carried out in order to investigate the effects of temperature on the friction and wear behaviors between a PMMA film and a fused silica lens using a microtribometer. The friction forces on the PMMA film were measured under atmospheric condition as the temperature of the film was increased from 300 K to 443 K. The contact area between the film and the lens was observed. The tribological characteristics of the film were significantly changed as the temperature increased. The changes were discussed with the change of the film state from glassy to viscous flow. In addition, the results showed that the friction behavior can be varied with the thermal history of the PMMA film. Residual solvent in the PMMA film could emerge to the PMMA surface due to an additional heating and the solvent on the film surface decreased the friction force.

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