高温烧结条件下蓝晶石的莫来石化  

Mullitization of Cyanite at High Sintering Temperature

作　　者：宋继芳[1] 李君文[1] 

机构地区：[1]成都理工大学材料与生物工程学院,四川成都610059

出　　处：《矿产综合利用》2003年第5期27-30,共4页Multipurpose Utilization of Mineral Resources

摘　　要：采用两种不同粒度的蓝晶石为主要原料,加入不同数量的轻烧高铝矾土,并分别于1600℃和1650℃下烧结,研究讨论所得试样的烧结性能。试验结果表明:提高铝硅比可以降低莫来石形成的起始温度;适当提高合成温度,可使莫来石含量提高,气孔率降低,体积密度增加。The sintering performance of the samples composed of two different sizes cyanite and different amount of bauxite has been investigated at 1600℃ and 1650℃.The test results showed that the starting temperature of forming mullite can be decreased by increasing Al/Si ratio. Moderately increasing sintering temperature can increase content of mullite and bulk density,and also decrease porosity.

关 键 词：蓝晶石 莫来石 高铝矾土 

分 类 号：TQ175.71[化学工程—硅酸盐工业]