Engineering and Technology Journal

Improve the Corrosion Resistance of the Copper-Zinc Alloy by the Epoxy-WO3 Nanocomposite Coating

Document Type : Research Paper

Authors

Materials Engineering Dept., University of Technology-Iraq, Alsina’a street, 10066 Baghdad, Iraq.

Abstract

Metal corrosion is one of the most critical challenges in industrial processes. In this research, nanocomposite coating was synthesized by blending tungsten trioxide (WO3) nanoparticles with Epoxy resin and applied on brass samples to evaluate the performance of corrosion protection under stressed environments. A dip-coating method was adopted to coat the brass sample's surface. Coated and uncoated brass samples have been subjected to corrosion tests to study the corrosion behavior when exposed to corrosive media. Obtained results indicated that the brass coated samples with mixed epoxy\tungsten trioxide (WO3) exhibited reasonable corrosion resistance because of the ceramic protective barrier on the surface of the metal. Therefore, the proposed methodology could be considered as a promising surface coating that promotes corrosion resistance under stressed industrial conditions.

Highlights

  • Brass samples were coated by Epoxy/ tungsten trioxide nanoparticles.
  • Potentiodynamic polarization corrosion test was used to study the corrosion behavior of the coated samples.
  • The epoxy nanocomposite coating improved the protection performance against corrosion

Keywords

Main Subjects

References
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Engineering and Technology Journal
Volume 39, Issue 11
Material Engineering
November 2021
Page 1669-1673
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