PREPARATION OF HIGH- ALUMINA REFRACTORY CEMENT AND STUDY OF REFRACTORY CASTABLES PROPERTIES PRODUCED BY IT

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KHALILI MOZHGAN; POUYAMEHR MOHAMAD REZA

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Journal Paper

Paper Information

Journal: Journal of Advanced Processes in Materials Engineering Year:2015 | Volume:9 | Issue:1 (32) Page(s): 137-152

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Information Journal Paper

Title

PREPARATION OF HIGH- ALUMINA REFRACTORY CEMENT AND STUDY OF REFRACTORY CASTABLES PROPERTIES PRODUCED BY IT

Author(s)

KHALILI MOZHGAN | POUYAMEHR MOHAMAD REZA | Issue Writer Certificate

Keywords

CASTABLE ALUMINA SPINELQ2

SPINEL- CEMENTQ2

CASTABLE REFRACTORIESQ2

TABULAR-ALUMINAQ2

RAW DOLOMITEQ2

ALUMINA CALCINEDQ2

Abstract

CASTABLE ALUMINA SPINEL refractories have more resistance to the molten and slagear than refractory bricks. So these kind of material are gradually replacing with these bricks in the industrial application, specially in the industry of steels. In this paper, the effect of spinel-cement on properties of the CASTABLE ALUMINA SPINEL has been studied at 110, 700, 800, 1000, 1400 °C and 1500°C. The CASTABLE ALUMINA SPINEL was made by mixing the aggregate alumina tabular with spinel-cement, including ALUMINA CALCINED and dolomite. Properties such as cold crushing strength (C.C.S), density, phase analysis (by X.R.D), microstructure (by SEM), have been investigated. Finally the resulted data of these kind of materials were compared with those of cement sekar. Results showed that the spinel cement which was sintered at 1650 °C Contained MA and CA phased futher more. By increasing the sintering temperature the amount of CA2 and MA phases has been increased while the amount of Al203 phases has been decreased on the other hand the sintering temperature leaded to rising the crystalline size of spinel and falling the lattice constant. The castable mass has a higher compressive strength with increasing temperature due to the formation of spinel. The highest density and lowest porosity at 1000 °C has been observed that the reasons can be pointed out L O I. and pointed out hydrate water. The porosity is increased with increasing higher spinel phase at 1500 °C.

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References

INFLUENCE OF GRAIN SIZE DISTRIBUTIONS AND SPINEL CONTENT ON THE PROPERTIES OF LOW CEMENT ALUMINA-SPINEL CASTABLES

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APA: Copy

KHALILI, MOZHGAN, & POUYAMEHR, MOHAMAD REZA. (2015). PREPARATION OF HIGH- ALUMINA REFRACTORY CEMENT AND STUDY OF REFRACTORY CASTABLES PROPERTIES PRODUCED BY IT. ADVANCED PROCESSES IN MATERIALS, 9(1 (32)), 137-152. SID. https://sid.ir/paper/172556/en

Vancouver: Copy

KHALILI MOZHGAN, POUYAMEHR MOHAMAD REZA. PREPARATION OF HIGH- ALUMINA REFRACTORY CEMENT AND STUDY OF REFRACTORY CASTABLES PROPERTIES PRODUCED BY IT. ADVANCED PROCESSES IN MATERIALS[Internet]. 2015;9(1 (32)):137-152. Available from: https://sid.ir/paper/172556/en

IEEE: Copy

MOZHGAN KHALILI, and MOHAMAD REZA POUYAMEHR, “PREPARATION OF HIGH- ALUMINA REFRACTORY CEMENT AND STUDY OF REFRACTORY CASTABLES PROPERTIES PRODUCED BY IT,” ADVANCED PROCESSES IN MATERIALS, vol. 9, no. 1 (32), pp. 137–152, 2015, [Online]. Available: https://sid.ir/paper/172556/en

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