添加物对熔铸33#AZS砖结构和性能的影响  

The effect of additive on the microstructure and properties of fused-cast 33# AZS refractory brick

作　　者：毛利民[1] 张晓波[1] 王志武[1] 冯中起[1] 成洁[1] 

机构地区：[1]中国建筑材料科学研究院耐火材料研究所,北京100024

出　　处：《耐火材料》1998年第3期138-140,142,共4页Refractories

摘　　要：熔铸33＃AZS耐火砖添加少量脱硅锆或稀土氧化物的试验结果表明：该砖的相组成与显微结构得到改善。脱硅锆具有提高砖的玻璃相渗出温度和抗玻璃液侵蚀性能，以及减少气泡析出指数的作用。添加稀土氧化物可使砖的玻璃相渗出温度及粘度增高。前者更有利于提高该材料的性能和质量。The microstructure and properties of fused-cast 33# AZS refractory brick with additive of desilicated zirconia or rare earth oxides were studied. The resultS show that the phase compeition or microstructure of the brick were improved.The exudation temperature of glass phase and the corrosion resistance against glass were enhanced and the bubble formation index was decreased with addition of desilicated zirconiurn. The rare earth oxides mainly played the role of increasement of the exudation temperature and viareity of glass phase. The deSlicated zirconia additive is beneficial to manufacture the 33# AZS preducts of high property and quality.

关 键 词：结构 性能 助剂 电熔刚玉 耐火材料 

分 类 号：TQ175.1[化学工程—硅酸盐工业] TQ175.741