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Facile Fabrication of Super-Hydrophobic Surface on Aluminum and its Effects in Accelerating Underwater Bubble Bursting

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Abstract:

Facile fabrication of bio-mimic super-hydrophobic surfaces has attracted attentions in both fundamental research and practical application. In this article, we developed a simple one step etching method to fabricate a super-hydrophobic surface on aluminum surface. The contact angel of water reaches 155.9° without coating any low energy materials. Surface morphology clearly demonstrates a combination of micro/nanohierarchical structures. Moreover, such surface remarkably shortens the bursting time of air bubbles under water. For a middle size bubble about 1mm, the bursting time at super-hydrophobic surface shortens to about 20%, comparing to freely bursting. This intriguing effect may contribute to future expand applications of super-hydrophobic surface in industrial field, such as fiber spinning.

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Periodical:

Materials Science Forum (Volume 789)

Pages:

154-156

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.789.154

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Online since:

April 2014

Authors:

Chun Mao Kang, Jin Yan Ji, Jun Li Zhao, Hong Peng Zhong, Jiao He, Yu Ma*, Mu Huo Yu

Keywords:

Bubble Bursting, Etching, Super-Hydrophobic

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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References

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