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자료유형
학술저널
저자정보
김영훈 (한국생산기술연구원) 홍석관 (한국생산기술연구원) 이상용 (한국생산기술연구원) 이성희 (한국생산기술연구원) 김권희 (고려대학교) 강정진 (한국생산기술연구원)
저널정보
한국소성·가공학회 소성·가공 소성가공 제22권 제1호
발행연도
2013.2
수록면
23 - 29 (7page)

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In this study, a micro/nano-random-pattern-structure surface was machined by electric discharge machining (EDM) followed by replicating the EDM surface with a silicone elastomer having low energy and greater hydrophobicity. The variation of hydrophobicity was of prime interest and was examined as a function of the surface roughness of the replicated silicone elastomer. The hydrophobicity was evaluated by the water contact angle (WCA) measured on the relevant surface. For the experiments, the original surfaces were machined by die sinking electric discharge machining (DS-EDM) and wire cutting electric discharge machining (WC-EDM). The ranges of surface roughness were Ra 0.8~19 ㎛ for the DS-EDM and Ra 0.5~4.7㎛ for the WC-EDM. In order to fabricate a hydrophobic surface, the EDM surfaces were directly replicated using a liquid-state silicone elastomer, which was thermally cured. The measured WCA on the replicated surfaces for DS-EDM was in the range of 115~130° and for WC-EDM the WCA was in the range of 123~150°. Additionally, the dynamic hydrophobicity was evaluated by measuring an advancing and a receding WCA on the replicated silicone elastomer surfaces.

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Abstract
1. 서론
2. 방전가공면 제작 및 복제실험
3. 발수특성평가
4. 결론
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UCI(KEPA) : I410-ECN-0101-2014-551-000251757