Densification of SiO2-Al2O3-TiO2 based ceramic film coated on steel for high thermal stabilty and mechanical properties

Y. Muroya, A. Motoki, K. Shimanoe, T. Maeda, Y. Haruta, Y. Teraoka, N. Yamazoe

研究成果: Contribution to journalArticle査読

14 被引用数 (Scopus)

抄録

The densification of a ceramic coating based on SiO2-Al2O3-TiO2 by using wet processing was investigated by adding excess alkali silicates. Ceramic composite films (80-100 μm thick) added alkali silicates were deposited on a steel plate by slurry coating with a doctor blade, followed by drying and calcination. The corrosion test in 1 mol/l HCl solution revealed that the number of through-holes in the coating decreased drastically with increasing the amount of alkali silicates (26, 30, 33, 40 wt.%) and the calcination temperature up to 800 °C. The coatings involving alkali silicates of 33 and 40 wt.% were stable to heating up to 800 °C for thermal shock tested in air. The adhesive strength was also found to increase by three times with increasing amounts of alkali silicates.

本文言語英語
ページ(範囲)880-885
ページ数6
ジャーナルSurface and Coatings Technology
201
3-4
DOI
出版ステータス出版済み - 10 5 2006

All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 凝縮系物理学
  • 表面および界面
  • 表面、皮膜および薄膜
  • 材料化学

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