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http://dx.doi.org/10.6111/JKCGCT.2018.28.6.256

Effect of limestone addition on mechanical properties of ceramic tiles with fly ash  

Lee, Jin-Wook (Icheon Branch, Korea Institute of Ceramic Engineering and Technology)
Han, Kyu-Sung (Icheon Branch, Korea Institute of Ceramic Engineering and Technology)
Hwang, Kwang-Taek (Icheon Branch, Korea Institute of Ceramic Engineering and Technology)
Kim, Jin-Ho (Icheon Branch, Korea Institute of Ceramic Engineering and Technology)
Publication Information
Journal of the Korean Crystal Growth and Crystal Technology / v.28, no.6, 2018 , pp. 256-262 More about this Journal
Abstract
A great amount of fly ash, which is a waste from a thermal power plant, has not been appropriately recycled until now. Landfill of flay ash causes environmental pollution and enormous economic costs. In this study, manufacturing of architectural ceramic tile was investigated replacing fly ash with clay raw material. The properties of porcelain tile was analyzed after manufacturing porcelain tile with mineral based glaze and fast firing process. In particular, the effect of the fly ash addition on the properties of ceramic tile was investigated by increasing the amount of limestone addition. Porcelain tile with fly ash showed excellent bending strength, water absorption, warping and abrasion resistance. However, a significant decrease in durability was observed through the autoclave test. Addition of limestone increased the water absorption, twisting and hydration expansion of the ceramic tile, but it was confirmed that the durability of the ceramic tile with fly ash was greatly improved. In conclusion, recycled architectural ceramic tiles, which can meet domestic construction standards, could be manufactured with the addition of fly ash and limestone.
Keywords
Ceramic tile; Fly ash; Limestone; Moisture expansion; Durability;
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Times Cited By KSCI : 1  (Citation Analysis)
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