Fabrication and Characterization of Superhydrophobic Film on Titanium Substrate

Dong Ping Long; Jian Rong Xue; Zhi Xin Yan

doi:10.4028/www.scientific.net/AMR.834-836.29

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 834-836Fabrication and Characterization of...

Fabrication and Characterization of Superhydrophobic Film on Titanium Substrate

Abstract:

TiO₂ nano film with different nano structure were prepared on the surfaces of titanium TA1 and titanium alloy TC4 via electrochemical anodization. The surface morphology was observed with SEM, and it is found that TiO₂films prepared on TA1 surface have porous structures, while the TiO₂ films synthesized on TC4 surface look like nano rod. The contact angle(CA) test results show that the TiO₂ nano film prepared on TA1 is hydrophilicity and the CA is about 19°,the film on the TC4 is super hydrophilicity and its CA is smaller than 2°. After combined with fluorinated silane the self-assembled film synthesized on the surfaces and they are superhy- drophobic and the Contact angle is 150° and 158° respectively. It is concluded that both nano- structures and fluoroalkysilanes with low surface energy have play an important role in the wettability with the contact angle is more than 150°. The surface only have nano roughness without the low energy does not show superhydrophobicity.

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Periodical:

Advanced Materials Research (Volumes 834-836)

Pages:

29-32

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.834-836.29

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Online since:

October 2013

Authors:

Dong Ping Long, Jian Rong Xue, Zhi Xin Yan

Keywords:

Bioinspired, Fluoroalkylsilane, Hydrophobicity, Surface Modification, Titanium Alloy

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