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中文摘要：
采用75％的特级铝矾土熟料（w（Al2O3）〉90％）作骨料，15％的冶金碳化硅（w（SiC）=97％）、8％的结合粘土及2％的硅粉作基质粉，成型后于1400℃保温6h烧成，制成混铁炉渣线、出铁口用普通Al2O3-SiC制品，并在此基础上分别用5％、10％和15％的玻璃窑用后的熔铸AZS回收料（≤1mill和≤0.088mm两种粒度）替代等量的矾土熟料制成改性Al2O3-SiC制品，研究了熔铸AZS回收料对制品常温物理性能、抗热震性、抗氧化性以及抗渣侵蚀性的影响。结果表明：熔铸AZS回收料的引入，增大了基质液相的粘度，改善了制品的显微结构，有利于制品抗热震性能的提高，并对高钙渣系具有良好的抗冲刷及抗侵蚀性；综合考虑材料的各种性能，熔铸AZS回收料的加入量以10％为佳。
英文摘要：
Al2O3 -SiC bricks used for slag line and tap.hole in mixer furnace were prepared by using 75% super grade bauxite （w（Al2O3） 〉90% ） as aggregate,and 15%SIC （w（SiC） =-97% ）,8% clay and 2% Si powder as matrix by molding and sintering at 1400 ℃ for 6 h. Based on this,5%, 10% and 15% bauxite was replaced by the equal amount of reclaimed fused cast AZS （two grain grades：≤ tmm and ≤0.088 mm） to prepare modified Al2O3 -SiC bricks. The effects of reclaimed fused cast AZS on physical properties at room temperature, thermal shock resistance, oxidation resistance and slag resistance were researched. The results show that：the reclaimed fused cast AZS can improve the viscosity of matrix liquid and microstructure at high temperature,thermal shock resistance,erosion and corrosion resistance to high-calcium slag, The optimum addition of AZS was proved to be 10%.
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