A coating system derived from the combination of a sodium and a potassium water glass was developed to apply for steel in oxidizing and humidity environments at elevated temperature. Parameters such as filler volume, viscosity or coating thickness were varied to optimize the coatings. The coated specimens were investigated by TGA, SEM/EDS, and XRD to clarify the microstructure morphology and anti-oxidation behavior. Finally, oxidation tests, adhesion tests, thermal shock resistance tests and humidity resistance tests were performed to evaluate the performance of developed coating.

• Minh Dat Nguyen(Energy Materials Center, Korea Institute of Ceramic Engineering and Technology)
• Jung Won Bang(Energy Materials Center, Korea Institute of Ceramic Engineering and Technology)
• An Su Bin(Energy Materials Center, Korea Institute of Ceramic Engineering and Technology)
• Younghee Kim(Energy Materials Center, Korea Institute of Ceramic Engineering and Technology)
• Kyu Hong Hwang(Department of ceramic engineering, Gyeongsang National Univ.)
• Woo-Teck Kwon(Energy Materials Center, Korea Institute of Ceramic Engineering and Technology)