作者：WANG Linjun;WU Hongpeng;SUN Jialin;

作者单位：Inorganic Non-metallic Materials Institute, University of Science and Technology Beijing, Beijing 100083, China

刊名：China's Refractories

ISSN：1004-4493

出版年：2003-01-05

卷：12

期：1

起页：12

止页：16

分类号：TQ175

语种：英文

关键词：Admixtures;Magnesia;Silicon nitride;Composite refractory;Oxidation resistance;

内容简介

The effect of the admixtures of Al and Si metals and B_4C and MgAlON compounds on the oxidation of MgO/Si_3N_4 composite refractory has been studied, which is a promising carbon free refractory for steel-making application. The four kinds of admixtures can be used as anti-oxidants for Si_3N_4, but the mixture of Al and Si achieved the best result. The mixture can not only play the role as anti-oxidant, but also assist the sintering process and help form dense sintering layer, improving the property of the composite.