Please use this identifier to cite or link to this item: https://doi.org/10.2961/jlmn.2011.01.0002
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dc.titleLaser ablation of metal substrates for super-hydrophobic effect
dc.contributor.authorTang, M.
dc.contributor.authorShim, V.
dc.contributor.authorPan, Z.Y.
dc.contributor.authorChoo, Y.S.
dc.contributor.authorHong, M.H.
dc.date.accessioned2014-10-07T04:31:19Z
dc.date.available2014-10-07T04:31:19Z
dc.date.issued2011-03
dc.identifier.citationTang, M., Shim, V., Pan, Z.Y., Choo, Y.S., Hong, M.H. (2011-03). Laser ablation of metal substrates for super-hydrophobic effect. Journal of Laser Micro Nanoengineering 6 (1) : 6-9. ScholarBank@NUS Repository. https://doi.org/10.2961/jlmn.2011.01.0002
dc.identifier.issn18800688
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/82603
dc.description.abstractPulsed UV laser ablation is applied to fabricate super-hydrophobic surfaces on metal substrates. The spike shape micro-structure arrays achieved by the laser ablation on the brass substrates increase the surface roughness (Ra) from ~ 400 nm to ~ 5 μm. Meanwhile, plenty of nano-structures (200 ~ 600 nm) are also formed and scattered on the surface of the micro-structures. It is found that the water contact angle of the brass substrate increases from 110° to 161°. Super-hydrophobic property of the metal surfaces with both the micro- & nano-roughness is explained by water repellent model for double roughness structures. High speed camera imaging is used to analyze water droplet dynamics during its rolling down along the slanted super-hydrophobic brass surface. It shows that the pulsed laser ablation is a versatile approach to create large area super-hydrophobic surfaces for industrial applications.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.2961/jlmn.2011.01.0002
dc.sourceScopus
dc.subjectContact angle and high speed camera imaging
dc.subjectLaser ablation
dc.subjectSuper-hydrophobic surface
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.contributor.departmentMECHANICAL ENGINEERING
dc.contributor.departmentCIVIL & ENVIRONMENTAL ENGINEERING
dc.description.doi10.2961/jlmn.2011.01.0002
dc.description.sourcetitleJournal of Laser Micro Nanoengineering
dc.description.volume6
dc.description.issue1
dc.description.page6-9
dc.identifier.isiut000288395700002
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