Thermal stability and mechanical properties for ceramic composite films coated on steel by wet process

Yuji Muroya, Akihiro Motoki, Kengo Shimanoe, Yukinori Haruta, Yasutake Teraoka, Noboru Yamazoe

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A ceramic coating slurry was designed, which suspended or dissolved ceramic components (silica, titania, alumina and kaolinite) and glass-forming components (alkali silicates and soda ash) in water. SiO2-Al 2O3-TiO2 based composite films (about 100 μm thick) were deposited on a steel plate by coating the slurry with a brush, followed by drying and calcination. The ceramic coatings obtained under proper conditions were found to exhibit excellent stability over a wide range of temperature. As evaluated by copper electrodeposition method, through-holes were present in the coatings calcined at 700°C or below, while they were eliminated completely after calcination at 1100°C in N2. Vickers hardness of the coatings increased with increasing calcination temperature, while adhesive strength went through a sharp maximum at 800°C.

Original languageEnglish
Pages (from-to)189-194
Number of pages6
JournalJournal of the Ceramic Society of Japan
Volume114
Issue number1326
DOIs
Publication statusPublished - Feb 2006

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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