Investigation on the Alkali Resistance Property of Theoretical Composition Magnesia Alumina Spinel Bricks

Shan Shan Hong; Yong Li; Ya Qin Liu; Yuan Gao; Guo Dong Ma; Jin Bao Li; Zhi Ming Qian; Jing Heng Huang

doi:10.4028/www.scientific.net/AMR.503-504.533

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 503-504Investigation on the Alkali Resistance Property of...

Investigation on the Alkali Resistance Property of Theoretical Composition Magnesia Alumina Spinel Bricks

Abstract:

Using alumina-rich MgAl2O4 spinel AR78 and 97 fused magnesite as raw materials, brine as the binder, magnesia alumina spinel bricks close to theoretical composition have been prepared. The phase composition and microstructure of the specimens were analyzed and characterized. The alkali resistance property of specimens was researched using static crucible method. The erosion mechanism of alkali vapor to specimens was studied by XRD, SEM and EDS. The results show that: (1) The alkali resistance property of MgAl2O4 spinel bricks were improved obviously when the addition of magnesite is more than 7%. (2) The alkali resistance property of MgAl2O4 spinel bricks is the best when the addition of magnesite is 10.3%.

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Periodical:

Advanced Materials Research (Volumes 503-504)

Pages:

533-537

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.503-504.533

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Online since:

April 2012

Authors:

Shan Shan Hong, Yong Li, Ya Qin Liu, Yuan Gao, Guo Dong Ma, Jin Bao Li, Zhi Ming Qian, Jing Heng Huang

Keywords:

Alkali Resistance Property, Magnesia Alumina Spinel, Oxy-Fuel Glass Melting Furnace

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