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Preparation of Glass-Ceramic by Recycling of Various Slags and Its Properties
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 Title & Authors
Preparation of Glass-Ceramic by Recycling of Various Slags and Its Properties
Lee, Duk-Hee; Shin, Dongyoon; Yoon, Mijung; Park, Hyun Seo; Yoon, Jin-Ho;
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 Abstract
Glass-ceramics were developed many years ago and have been applied in many fields such as electronics, chemistry, optics, etc. Much is already known about glass-ceramic technology, but many challenges in glass-ceramic research are still unresolved. Recently, large amounts of slag have steadily increased in the steel industry as by-products. To promote recycling of industrial waste, including steel industry slags, many studies have been performed on the fabrication of basalt-based high-strength glass-ceramics. In this study, we have fabricated such ceramics using various slags to replace high performance cast-basalt, which is currently imported. Glass-ceramic material was prepared in similar chemical compositions with commercial cast-basalt through a pyro process using slags and power plant by-product (Fe-Ni slag, converter slag, dephosphorization slag, Fly ash). The properties of the glass-ceramic material were characterized using DTA, XRD, and FE-SEM; measurements of compressive strength, Vicker`s hardness, and abrasion were carefully performed. It is found that the prepared glass-ceramic material showed better performance than that of commercial cast-basalt.
 Keywords
slag;glass-ceramic;cast-basalt;pyro processing;
 Language
Korean
 Cited by
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