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Journal of the Korean Ceramic Society 1977;14(2): 88. |
| Tundish용 Zircon 내화물의 제조에 관한 연구 |
| 지응업, 최상욱 |
| 인하대학교 |
| Preparation of Zircon Nozzle for the Tundish |
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| ABSTRACT |
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Zircon sand of two different particle distribution with 2 percent of ground pyrophyllite were adoted to prepare the dense specimens of the stopper nozzle for the tundish. The molding pressure of $600kg/cm^2$ brought about the superior properties to those obtained t the pressure of $300kg/cm^2$, and as the firing temperatures were increased from $1, 350^{circ}C$ to $1, 600^{circ}C$, the better characteristics resulted. The addition of 2 percent $MgCr_2O_4$ to zircon pyrophyllite batch was more effective in corrosion-resistance to the blast furnace-slag. |
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