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http://dx.doi.org/10.4191/KCERS.2011.48.1.074

Lightweight Porcelain using GHM(Glass Hollow Microsphere)  

Kim, Geun-Hee (Whiteware Ceramic Center, KICET)
Choi, Hyo-Sung (Whiteware Ceramic Center, KICET)
Pee, Jae-Hwan (Whiteware Ceramic Center, KICET)
Cho, Woo-Seok (Whiteware Ceramic Center, KICET)
Kim, Kyeong-Ja (Whiteware Ceramic Center, KICET)
Publication Information
Journal of the Korean Ceramic Society / v.48, no.1, 2011 , pp. 74-79 More about this Journal
Abstract
The pore generation technology using GHM (Glass Hollow Microsphere) was studied in order to reduce the weights of porcelain. In this study, we verify the property of modified slurry by adding GHM. The modified slurry was prepared by adding 1.0~2.5 wt%(K1), 1.0~6.0 wt%(K37) of GHM to the slurry for porcelain. The slurry viscosity were stable inside a content range of 1.0~2.5 wt%(K1), 1.0~6.0 wt%(K37). However, the viscosity of modified slurry increased more than 3.0 wt%(K1) and 6.5 wt%(K37). The formed specimen by slip casting was fired at $1229^{\circ}C$, $1254^{\circ}C$. As the amount of GHM content increased, the weight decreased and the addition of 1.0~2.5 wt%(K1), 1.0~6.0 wt%(K37) of GHM resulted in a weight drop of 30%(K1) and 25(K37). However, when the GHM content increased, the strength decreases over 70%. This is caused by the presence of a large volume of surface defects (pores) and defects from the agglomeration of GHM.
Keywords
Lightweight; Porcelain; Glass hollow microsphere; Porous; Slip casting;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
Times Cited By SCOPUS : 1
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