编号 | No.1 | No.2 | |
化学成分ω/% | Al2O3 | 67 | 70 |
SiC | 14 | 10 | |
F.C | 3 | 3 | |
体积密度/g·cm3 | 110℃,24h | 2.56 | 2.75 |
1450℃,3h | 2.62 | 2.73 | |
显气孔率/% | 110℃,24h | 18.5 | 21.6 |
1450℃,3h | 19.6 | 20.0 | |
抗折强度/MPa | 110℃,24h | 11.0 | 2.5 |
1450℃,3h | 14.0 | 6.7 | |
烧后线变化率/% | 1450℃,3h | -0.50 | +0.11 |
泵送加水量/% | 7.5 | 6.8 |