Superhydrophobic surface prepared by micromilling and grinding on aluminium alloy

An efficient method for processing superhydrophobic surface is presented in this paper, which can realise the microstructure machining on a large area. First, the microgroove arrays were processed by high speed precision micromilling machine on the surface of the aluminium alloy. Then, the surface o...

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Bibliographic Details
Published in:Surface engineering 2016-02, Vol.32 (2), p.108-113
Main Authors: Yu, H-D., Zhang, X-R., Wan, Y-L., Xu, J-k., Yu, Z-J., Li, Y-Q.
Format: Article
Language:English
Subjects:
Abrasive belt grinding
Abrasive belts
Aluminium alloy
Aluminum base alloys
Aluminum oxide
Arrays
Contact angle
High speed
Micromilling
Microstructure
Sand
Superhydrophobic
Topography
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Summary:An efficient method for processing superhydrophobic surface is presented in this paper, which can realise the microstructure machining on a large area. First, the microgroove arrays were processed by high speed precision micromilling machine on the surface of the aluminium alloy. Then, the surface of the microgroove was ground by 1000 # electrostatic sand alumina water resistant abrasive belt. The machined surface topography was observed by SEM, which showed that the microgroove arrays were uniform. The contact angles of the water on the microgroove arrays were measured in different directions. In the parallel direction, the contact angle of microgroove arrays is 142±0·5°, whereas in the vertical direction, it arrives 160±0·6°. The above values of contact angle mean that a stable superhydrophobic metallic surface was prepared by the micromilling and grinding.
ISSN:0267-0844
1743-2944
DOI:10.1179/1743294414Y.0000000405