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Nanotechnology-associated coatings for aircrafts

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Abstract

Polymeric epoxy-based composites are modified with nanopowders of silicon oxide (∼ 100 nm). By the method of spraying, these composites are applied to specimens of 2024-T3 aluminum alloy preliminary treated with molybdate solutions to get conversion layers. Three types of polymeric coatings are considered: reference, treated by silica, and with additional polyurethane coatings. The aim of modification of polymeric coatings is to absorb and/or block unwanted ions/molecules (Cl−, O2, OH−, H2O, etc.) and improve the protective properties of the films. The tests carried out by the method of electrochemical impedance spectroscopy, in a salt-fog chamber, and by immersion in a 0.5 M NaCl solution reveal high anticorrosion characteristics of the coating. New coatings are promising for the corrosion protection in the aircraft industry.

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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering, Wichita State University, Wichita, USA

    R. Asmatulu

  2. Fiber & Electro Optics Research Center, Virginia Tech., Blacksburg, USA

    R. O. Claus

  3. NanoSonic Inc., Blacksburg, USA

    R. O. Claus & J. B. Mecham

  4. Department of Materials Science and Engineering, Virginia Tech., Blacksburg, USA

    S. G. Corcoran

Authors
  1. R. Asmatulu
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  2. R. O. Claus
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  3. J. B. Mecham
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  4. S. G. Corcoran
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Published in Fizyko-Khimichna Mekhanika Materialiv, Vol. 43, No. 3, pp. 103–108, May–June, 2007.

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Asmatulu, R., Claus, R.O., Mecham, J.B. et al. Nanotechnology-associated coatings for aircrafts. Mater Sci 43, 415–422 (2007). https://doi.org/10.1007/s11003-007-0047-7

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  • DOI: https://doi.org/10.1007/s11003-007-0047-7

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