abstract |
The present invention relates to a refractory article comprising: Al2O3, Al2O3 in an amount ranging from about 10% by weight to about 94% by weight; SiO2 in an amount of at least about 1.1% by weight of SiO2; and an additive in an amount of at least 0.2wt % of an additive, wherein the additive comprises TiO2, Y2O3, CaO, MgO, or any combination thereof; and wherein the refractory article has a creep rate of no more than about 1 x 10-4 h-1. |