Paper Title:
The Effect of MgO-Al2O3 Spinel on Refractory Bricks Made from Al2O3-Cr2O3 Slag
  Abstract

The Al2O3-Cr2O3 slag as raw material was analyzed by scanning electron microscopy (SEM). The effects of different size distribution of MgO-Al2O3 spinel grain on physical properties of refractory bricks made from Al2O3-Cr2O3 slag was studied according to YB/T376.1-1995(water quenching), GB/T 5072-1985, GB/T 2997-1982 criterion. The results show that the main crystal phase of the refractory bricks were chromium corundum, corundum. The refractory bricks containing 10 wt% of the maximum size of 3.0 mm of MgO-Al2O3 spinel grain can significantly improve the thermal shock resistance of this refractory bricks. At the meanwhile, This kind of refractory bricks can be absolutely satisfied with the requirements about cold crushing strength, bulk density and apparent porosity.

  Info
Periodical
Advanced Materials Research (Volumes 291-294)
Chapter
Waste Engineering and Management
Edited by
Yungang Li, Pengcheng Wang, Liqun Ai, Xiaoming Sang and Jinglong Bu
Pages
1795-1799
DOI
10.4028/www.scientific.net/AMR.291-294.1795
Citation
L. J. Zheng, G. D. Zhang, D. L. Qu, F. Liu, "The Effect of MgO-Al2O3 Spinel on Refractory Bricks Made from Al2O3-Cr2O3 Slag", Advanced Materials Research, Vols. 291-294, pp. 1795-1799, 2011
Online since
July 2011
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Price
$32.00
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