The properties of glass ceramic of LAS system with Y2O3 and Fe2O3 (Y2O3와 Fe2O3가 포함된 LAS 계 결정화 유리 특성)

LeeJISun (이지선); Tae-Young Lim (임태영); Jonghee Hwang (황종희); Youngjin Lee (이영진); Dae-Woo Jeon (전대우); Sun Woog Kim (김선욱); Yong-Ho Ra (라용호); Jinho Kim (김진호)

doi:10.6111/JkCGCT.2019.29.4.154

The properties of glass ceramic of LAS system with Y2O3 and Fe2O3

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2019, 29(4), pp.154-159
DOI : 10.6111/JkCGCT.2019.29.4.154
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering
Received : July 31, 2109
Accepted : August 13, 2019
Published : August 31, 2019

LeeJISun ¹, Tae-Young Lim ¹, Jonghee Hwang ¹, Youngjin Lee ¹, Dae-Woo Jeon ¹, Sun Woog Kim ¹, Yong-Ho Ra ¹, Jinho Kim ¹

¹한국세라믹기술원

Accredited

ABSTRACT

The glass-ceramic of Li2O-Al2O3-SiO2 system was fabricated by using yttrium oxide and iron oxide that it can reduce the melting temperature and affect the homogenization. Zirconium sulfate was used as a nucleation agent. Calcium phosphate was used to improve the flow the glass so as reduce the viscosity of the glass. The glass-ceramics met a thermal shock test of more than 750°C and the temperature at which the coefficient of thermal expansion rapidly increased at over 800°C was shifted by about the above 30°C. Therefore, it is concluded that the glass-ceramic of Li2O-Al2O3-SiO2 system with yttrium oxide and iron oxide was founded to have good melting conditions and excellent thermal expansion resistance at high temperature such as special field for kitchen utensils.

KEYWORDS

Glass-ceramic, Crystallization, Yttrium oxide, Iron oxide, TMA

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Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

The properties of glass ceramic of LAS system with Y2O3 and Fe2O3

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* References for papers published after 2023 are currently being built.

Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

The properties of glass ceramic of LAS system with Y2O3 and Fe2O3

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