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Superhydrophobic Copper Surfaces By Shot Peening And Chemical Treatment

Author

Listed:
  • H. MOJIRI FOROOSHANI

    (Department of Materials Science, Faculty of Engineering, Tarbiat Modares University, Tehran, P. O. Box 14115-143, Iran)

  • M. ALIOFKHAZRAEI

    (Department of Materials Science, Faculty of Engineering, Tarbiat Modares University, Tehran, P. O. Box 14115-143, Iran)

  • A. SABOUR ROUHAGHDAM

    (Department of Materials Science, Faculty of Engineering, Tarbiat Modares University, Tehran, P. O. Box 14115-143, Iran)

Abstract

In this paper, superhydrophobic surfaces are developed on polycrystalline copper using a combination of mechanical and chemical treatments by shot peening, dislocation etching and stearic acid treatment. The key point in this combined approach is the fabrication of a dislocation forest by shot peening. These sites were dissolved by etching, and hierarchical structures were fabricated. When these etched surfaces are treated by stearic acid, which has low surface energy, they become superhydrophobic with contact angle more than 150∘. Because of the superior properties and low costs involved with this method, it is expected to be widely used in the industry to fabricate superhydrophobic surfaces.

Suggested Citation

  • H. Mojiri Forooshani & M. Aliofkhazraei & A. Sabour Rouhaghdam, 2017. "Superhydrophobic Copper Surfaces By Shot Peening And Chemical Treatment," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 24(07), pages 1-6, October.
    • Handle: RePEc:wsi:srlxxx:v:24:y:2017:i:07:n:s0218625x17500937
    DOI: 10.1142/S0218625X17500937
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