สูตรและจุดหลอมตัวของออกไซด์ผสมบางชนิด
|
|
Compound |
Formula |
Softening point, ํC |
|
|
Mullite...................... |
3Al2O3.2SiO2 |
1810 |
|
|
Zircon...................... |
ZrO2.SiO2 |
1700* |
|
|
Forsterite................ |
2MgO.SiO2 |
1890 |
|
|
Spinel...................... |
MgO.Al2O3 |
2135 |
|
|
Dicalcium silicate... |
2CaO.SiO2 |
2130 |
|
|
Barium
Zirconate... |
BaO.ZrO2 |
2620 |
|
|
Thorium
Zirconate |
ThO2ZrO2 |
2800 |
|
|
Calcium
hafnate.... |
CaO.HfO2 |
2470 |
|
|
Barium
thorate |
BaO.ThO2 |
2300 |