Corrosion protection of carbon steel using zirconium oxide/silane pretreatment and powder coating

Nguyen Van Chi, Pham Trung San, To Thi Xuan Hang, Le Thi Nhung, Truong Anh Khoa, Nguyen Hoang, Nguyen Thu Hien
Author affiliations

Authors

  • Nguyen Van Chi Coastal Branch, Vietnam - Russia Tropical Center, 30 Nguyen Thien Thuat, Nha Trang, Khanh Hoa, Viet Nam
  • Pham Trung San Nha Trang Institute of Technology Research and Application, Vietnam Academy of Science and Technology, 2 Hung Vuong, Nha Trang, Khanh Hoa, Viet Nam
  • To Thi Xuan Hang Institute for Tropical Technology, Vietnam Academy of Scienceand Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Le Thi Nhung Nha Trang Institute of Technology Research and Application, Vietnam Academy of Science and Technology, 2 Hung Vuong, Nha Trang, Khanh Hoa, Viet Nam
  • Truong Anh Khoa Nha Trang Institute of Technology Research and Application, Vietnam Academy of Science and Technology, 2 Hung Vuong, Nha Trang, Khanh Hoa, Viet Nam
  • Nguyen Hoang Nha Trang Institute of Technology Research and Application, Vietnam Academy of Science and Technology, 2 Hung Vuong, Nha Trang, Khanh Hoa, Viet Nam
  • Nguyen Thu Hien Nha Trang Institute of Technology Research and Application, Vietnam Academy of Science and Technology, 2 Hung Vuong, Nha Trang, Khanh Hoa, Viet Nam

DOI:

https://doi.org/10.15625/2525-2518/57/1/12275

Abstract

Surface pretreatment plays important role in improvement of corrosion resistance and adhesion of organic coatings. A new generation of metal pretreatments based on nanosize zirconium oxide or ogranosilane film has been investigated recently as an alternative method to phosphatation. In this paper, ZrO2/silane composite film on carbon steel was prepared and characterised by field emission scanning electron microscopy, energy dispersive X-ray spectrum and electrochemical measurements. The effect of ZrO2/silane surface treatment on the protection properties of powder coating was studied by salt spray test and adhesion measurement. The results obtained showed that ZrO2 was rapidly precipitated on the steel surface after first 1 minute immersion and ZrO2/silane film formed after 4 minutes immersion give best protective properties. Powder coating on carbon steel with ZrO2/silane pretreatement has equivalent protection performance like powder coating with  phosphate pretreatment.

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Published

18-02-2019

How to Cite

[1]
N. V. Chi, “Corrosion protection of carbon steel using zirconium oxide/silane pretreatment and powder coating”, Vietnam J. Sci. Technol., vol. 57, no. 1, pp. 38–47, Feb. 2019.

Issue

Vol. 57 No. 1 (2019)

Section

Materials

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