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논문 기본 정보

자료유형
학술저널
저자정보
Sun Dong (울산대학교) 정구현 (울산대학교) 이경식 (울산대학교)
저널정보
한국트라이볼로지학회 Tribology and Lubricants 윤활학회지 제27권 제6호
발행연도
2011.12
수록면
293 - 301 (9page)

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초록· 키워드

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Understanding of the tribological characteristics of polytetrafluoroethylen (PTFE) and ultra-high-molecular-weight polyethylene (UHMWPE) is crucial for their applications such as bearing and total joint replacement. In this work, the effect of the surface roughness of carbon steel on the tribological behaviors of PTFE and UHMWPE was experimentally investigated by using block-on-ring tribotester with friction force monitoring capability. It was found that that the amount of material transfer layers of PTFE formed on the carbon steel was signiticantly larger than those of UHMWPE, which was responsible the lower friction coefficient of PTFE. It was also concluded that the effect of surface roughness uf carbon steel on the friction coefficient of UHMWPE was more significant than that of PTFE. For UHMWPE, it was found that the effect of surface roughness of counterface was varied with respect to applied normal force and sliding as well. Based on Archard’s wear law, the wear coefficiellt of PTFE and UHMWPE was calculated to be 3 x 10<SUP>-5</SUP> ~ 8 x 10<SUP>-5</SUP> and 7 x 10<SUP>-6</SUP> ~- 2 x 10<SUP>-5</SUP> respectively.

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Abstract
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2. 실험
3. 실험결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2013-551-001238125