Abstract
Densification of a ceramic coating based on SiO2-Al 2O3-TiO2 using wet processing was investigated by controlling microscopic grains of materials used. The grains of the materials used in coating slurry were reduced from their initial size of about 10 μm to less than 5μm in diameter using ball-milling. The ceramic composite films thus prepared were deposited about 100 μm in thickness on a steel plate by slurry coating with a doctor blade, followed by drying and calcination in air. It was found that the coating prepared was stable to heating up to 800°C in air, although the use of overly small grains easily caused cracks on the surface. By optimizing the amount of alkali silicate, however, such cracks could be eliminated from the coating, and the number of through-holes in the coating could be drastically decreased. The ceramic coating obtained by both the control of grain size in powders and the optimal addition of the alkali silicate showed excellent densification, thermal stability and adhesion strength.
| Original language | English |
|---|---|
| Pages (from-to) | 308-312 |
| Number of pages | 5 |
| Journal | Journal of the Ceramic Society of Japan |
| Volume | 114 |
| Issue number | 1328 |
| DOIs | |
| Publication status | Published - Jan 1 2006 |
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All Science Journal Classification (ASJC) codes
- Ceramics and Composites
- Chemistry(all)
- Condensed Matter Physics
- Materials Chemistry
Cite this
Addition of alkali silicate to grain size-controlled ceramic coatings for dense film. / Muroya, Yuji; Shimanoe, Kengo; Haruta, Yukinori; Teraoka, Yasutake; Yamazoe, Noboru.
In: Journal of the Ceramic Society of Japan, Vol. 114, No. 1328, 01.01.2006, p. 308-312.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Addition of alkali silicate to grain size-controlled ceramic coatings for dense film
AU - Muroya, Yuji
AU - Shimanoe, Kengo
AU - Haruta, Yukinori
AU - Teraoka, Yasutake
AU - Yamazoe, Noboru
PY - 2006/1/1
Y1 - 2006/1/1
N2 - Densification of a ceramic coating based on SiO2-Al 2O3-TiO2 using wet processing was investigated by controlling microscopic grains of materials used. The grains of the materials used in coating slurry were reduced from their initial size of about 10 μm to less than 5μm in diameter using ball-milling. The ceramic composite films thus prepared were deposited about 100 μm in thickness on a steel plate by slurry coating with a doctor blade, followed by drying and calcination in air. It was found that the coating prepared was stable to heating up to 800°C in air, although the use of overly small grains easily caused cracks on the surface. By optimizing the amount of alkali silicate, however, such cracks could be eliminated from the coating, and the number of through-holes in the coating could be drastically decreased. The ceramic coating obtained by both the control of grain size in powders and the optimal addition of the alkali silicate showed excellent densification, thermal stability and adhesion strength.
AB - Densification of a ceramic coating based on SiO2-Al 2O3-TiO2 using wet processing was investigated by controlling microscopic grains of materials used. The grains of the materials used in coating slurry were reduced from their initial size of about 10 μm to less than 5μm in diameter using ball-milling. The ceramic composite films thus prepared were deposited about 100 μm in thickness on a steel plate by slurry coating with a doctor blade, followed by drying and calcination in air. It was found that the coating prepared was stable to heating up to 800°C in air, although the use of overly small grains easily caused cracks on the surface. By optimizing the amount of alkali silicate, however, such cracks could be eliminated from the coating, and the number of through-holes in the coating could be drastically decreased. The ceramic coating obtained by both the control of grain size in powders and the optimal addition of the alkali silicate showed excellent densification, thermal stability and adhesion strength.
UR - http://www.scopus.com/inward/record.url?scp=33645563357&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=33645563357&partnerID=8YFLogxK
U2 - 10.2109/jcersj.114.308
DO - 10.2109/jcersj.114.308
M3 - Article
AN - SCOPUS:33645563357
VL - 114
SP - 308
EP - 312
JO - Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
JF - Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
SN - 1882-0743
IS - 1328
ER -