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Preparation And Characterization Of Super-Hydrophobic Surfaces On Aluminum And Stainless Steel Substrates

Author

Listed:
  • ZHIJIA YU

    (School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China)

  • YUEFEI YU

    (School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China)

  • YANFENG LI

    (School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China)

  • SHANPENG SONG

    (School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China)

  • SUBIN HUO

    (School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China)

  • XIUYAN HAN

    (School of Chemical Engineering, Dalian University of Technology, Dalian 116012, China)

Abstract

Hierarchical alveolate structures in nano- to microscale were fabricated on both aluminum and stainless steel substrates via a chemical etching. On aluminum surfaces, sharp edged caves and plateaus were found. On stainless steel substrate, fine papillae stand on protuberances. These surfaces exhibit super-hydrophobic properties after the fluorination treatment, their water contact angles are 158° and 160°, respectively, with the contact angle hysteresis of about 5°. The roll off angle is about 5°. Ice melting behaviors on a plate of aluminum super-hydrophobic surface were compared with those on a hydrophilic one, their difference shows that the new feature of super-hydrophobic surface could be expected.

Suggested Citation

  • Zhijia Yu & Yuefei Yu & Yanfeng Li & Shanpeng Song & Subin Huo & Xiuyan Han, 2010. "Preparation And Characterization Of Super-Hydrophobic Surfaces On Aluminum And Stainless Steel Substrates," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 17(03), pages 375-381.
    • Handle: RePEc:wsi:srlxxx:v:17:y:2010:i:03:n:s0218625x10014132
    DOI: 10.1142/S0218625X10014132
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