Journal of Sol-Gel Science and Technology

, Volume 79, Issue 1, pp 133–143 | Cite as

Sol–gel preparation and corrosion properties of Zn–SiO2 nanocomposite thin film

Original Paper: Nano-structured materials (particles, fibers, colloids, composites, etc.)


In this study, a novel nanocomposite thin film of Zn–SiO2 is considered. The thin film is a viable alternative for higher abrasion-resistant coatings. DLS technique revealed that the nanoparticle size is to be below 10 nm, and FE-SEM showed particle size to be below 17 nm in the obtained coating. The coating was found to be highly adhesive with an amorphous structure and hardness value above 1000HV. Corrosion resistance studies using linear polarization technique revealed that this unique nanocomposite has a lower corrosion rate than hot-dip galvanized steel at higher positive potentials. A conclusive mechanism for corrosion and erosion improvement has been proposed.

Graphical Abstract


Zinc Corrosion Nanocomposite film Silica gel FT-IR 



The authors would like to thank the Research council of Sharif University for partial support of the work. We also thank Mr. Farshad Salehi at the Department of Materials Science and Engineering for his kind assistance in conducting experiments. Special thanks also go to Ms. Parisa Gholamnezhad, Chemistry Department, for her assistance in data analysis.


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.Faculty of Engineering and ScienceSharif University of TechnologyKishIran
  2. 2.Institute for Nano-science and NanotechnologySharif University of TechnologyTehranIran
  3. 3.Materials Science and Engineering DepartmentSharif University of TechnologyTehranIran

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