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Biomimetically Engineered Polymeric Surfaces for Micro-scale Tribology
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  • Biomimetically Engineered Polymeric Surfaces for Micro-scale Tribology
  • Biomimetically Engineered Polymeric Surfaces for Micro-scale Tribology
저자명
Singh. R. Arvind,Kim. Hong-Joon,Kong. Ho-Sung,Yoon. Eui-Sung
간행물명
KSTLE international journal
권/호정보
2006년|7권 1호|pp.14-17 (4 pages)
발행정보
한국윤활학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

In this paper, we report on the replication of surface topography of natural leaf of Lotus onto thin polymeric films using a capillarity-directed soft lithographic technique. PDMS molds were used to replicate the surface. The replication was carried out on poly(methyl methacrylate) (PMMA) film coated on silicon wafer. The patterns so obtained were investigated for their friction properties at micro-scale using a ball-on-flat type micro-tribo tester, under reciprocating motion. Soda lime balls (1 mm diameter) were used as counterface sliders. Friction tests were conducted at a constant applied normal load of $3000{mu}N$ and speed of 1mm/s. All experiments were conducted at ambient temperature ($24{pm}1^{circ}C$) and relative humidity ($45{pm}5%$). Results showed that the patterned samples exhibited superior tribological properties when compared to the silicon wafer and non patterned sample (PMMA thin film). The reduced real area of contact projected by the surfaces was the main reason for their enhanced friction property.