Fabrication of a Superhydrophobic Aluminum Alloy Surface by Phosphoric Acid-Dichromate Method

Abstract:

The preparation method of the superhydrophobic surface on aluminum alloys was investigated, the method is novel by phosphoric acid-dichromate process and stearic acid coating, superhydrophobic aluminum alloy surfaces were successful prepared, the maximum static water contact angle and sliding angle on the superhydrophobic surface was 151±1.8° and 10°, respectively. In this work, the microstructure and self-cleaning properties of the superhydrophobic surface were studied. The superhydrophobic surface is a factor to reduce device-associated contamination and can be used in metal packaging practice.

• Periodical: Applied Mechanics and Materials (Volume 312)
• Pages: 350-353
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.312.350
• Online since: February 2013
• Authors: Ruo Mei Wu, Guang Hua Chao, Hai Yun Jiang
• Keywords: Aluminium Alloy, Phosphoric Acid-Dichromate Method, Self-Cleaning, Superhydrophobic Surface

References

[1] R. M. Wu, S. Q. Liang, Z. Q. Yuan, et al.: Appl. Surf. Sci., Vol. 258 (2012), pp.5933-5937

[2] Z.G. Guo, W.M. Liu, B.L. Su: J. Colloid. Interf. Sci., Vol. 353 (2011), pp.335-355

[3] McKinley, K.K. Gleason: Nano Lett., Vol. 3 (2003), pp.1701-1705.

[4] N.J. Shirtcliffe, G. McHale, M. I. Newton: J. Polym. Sci., Part B: Polym. Phys., 49 (2011) 1203-1217.

DOI: 10.1002/polb.22286

[5] Nakajima A, Fujishima A, Hashimoto K, et al: Adv. Mater., Vol. 11 (1999), pp.1365-1368.

[6] Nakajima A: J. Ceram. Soc. Jpn., Vol. 112 (2004), pp.533-540.

[7] Z. H, Lamb R, Lewis J: Sci. Technol. Adv. Mat., Vol. 6 (2005), pp.236-239.

[8] Z. F. Huang, L. Y. Sun, Y. T. Luo, Y. Liu, R. M. Wu, Z. Q. Yuan: Journal of Hunan University of Technology, Vol. 25 (2011), pp.5-8.