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http://dx.doi.org/10.3740/MRSK.2016.26.5.266

Preparation of Glass-Ceramic by Recycling of Various Slags and Its Properties  

Lee, Duk-Hee (Advanced Materials & Processing Center, Institute for Advanced Engineering)
Shin, Dongyoon (Advanced Materials & Processing Center, Institute for Advanced Engineering)
Yoon, Mijung (Dongdo Basalt Ind. Co.)
Park, Hyun Seo (Technical Research Laboratories Gwangyang Research Lab., POSCO)
Yoon, Jin-Ho (Advanced Materials & Processing Center, Institute for Advanced Engineering)
Publication Information
Korean Journal of Materials Research / v.26, no.5, 2016 , pp. 266-270 More about this Journal
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;
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Times Cited By KSCI : 1  (Citation Analysis)
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