다종슬래그를 재활용한 Glass-Ceramic의 제조 및 물성

이덕희; 신동윤; 윤미정; 박현서; 윤진호; Duk-Hee Lee; Dongyoon Shin; Mijung Yoon; Hyun Seo Park; Jin-Ho Yoon

Korean Journal of Materials Research, Vol.26, No.5, 266-270, May, 2016

DOI10.3740/MRSK.2016.26.5.266 Export Citation

다종슬래그를 재활용한 Glass-Ceramic의 제조 및 물성

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

이덕희, 신동윤, 윤미정¹, 박현서², 윤진호^†

고등기술연구원 신소재공정센터
¹(주)동도바잘트
²포스코 광양 기술연구소

Duk-Hee Lee, Dongyoon Shin, Mijung Yoon¹, Hyun Seo Park², and Jin-Ho Yoon^†

Advanced Materials & Processing Center, Institute for Advanced Engineering, Gyeonggi-do 17180, Republic of Korea
¹Dongdo Basalt Ind.Co., 38029, Gyeonju-si, Republic of Korea
²Technical Research Laboratories Gwangyang Research Lab., POSCO, 545-875, Gwangyang-si, Republic of Korea

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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 highstrength glass-ceramics. In this study, we have fabricated such ceramics using various slags to replace high performance castbasalt, 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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[1] Back GS, Park HS, Seo SM, Jung WG, Met. Mater. Int., 21, 1061 (2015)

[2] Tsakiridis PE, Papadimitriou GD, Tsivilis S, Koroneos C, J. Hazard. Mater., 152(2), 805 (2008)

[3] Wu S, Xue Y, Ye Q, Chen Y, Build. Environ., 42, 2580 (2007)

[4] Xue Y, Hou H, Zhu S, Zha J, Constr. Build. Mater., 23, 989 (2009)

[5] Gomes V, De Borba CDG, Riella HG, J. Mater. Sci., 37(12), 2581 (2002)

[6] Gu SI, Shin HS, Hong YW, Yeo DH, Kim JH, Nahm S, J. KIEEME, 23, 864 (2010)

[7] Liu H, Wei G, Liang Y, Dong F, J. Cent. S. Univ. Technol., 18, 1945 (2011)

[8] Fredericci C, Zanotto ED, Ziemath EC, J. Non-Cryst. Solids, 273, 63 (2000)

[9] Chang SH, Jung HJ, J. Korean Ceram. Soc., 17, 27 (1980)

[10] Chang SH, Jung HJ, J. Korean Ceram. Soc., 17, 151 (1980)

[11] Ray CS, Day DE, J. Am. Ceram. Soc., 80, 3100 (1997)

[12] Weinberg MC, J. Am. Ceram. Soc., 74, 1905 (1991)

[13] Ray CS, Fang XY, Day DE, J. Am. Ceram. Soc., 83(4), 865 (2000)