Paper Title:
Colloidal Process of Magnesia-Carbon Refractory and Its Sintering Characteristic
  Abstract

Carbon-containing refractories are widely used in metallurgical industry due to their excellent thermal property and resistance to corrosion by molten iron. In the present work, slip casting colloidal process, which is used to fabricate high performance structural ceramics, has been introduced into the preparation for magnesia-carbon refractory with selection of suitable dispersant. The results indicated that the curve of zeta-potential of magnesia was similar with that of carbon just containing dispersant and the homogenized mixtures were attained under a controlling of low pH value. Three kinds of preparing routes for green bodies were designed, and all of the final densities and the resultant hardness of sintered bodies using colloidal process were superior to these of the specimen using conventional dry pressing, whereas its high green density can be plausibly observed in dry pressing body because of high compaction pressure used.

  Info
Periodical
Key Engineering Materials (Volumes 280-283)
Edited by
Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li
Pages
1675-1678
DOI
10.4028/www.scientific.net/KEM.280-283.1675
Citation
L. H. Xu, Z. F. Cheng, F. Lian, T. Z. Wang, Y. Yao, "Colloidal Process of Magnesia-Carbon Refractory and Its Sintering Characteristic", Key Engineering Materials, Vols. 280-283, pp. 1675-1678, 2005
Online since
February 2007
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Price
$32.00
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