This kind of kiln furniture is kind of Composite Material which sintered in Nitrogen furnace in high temperature and it has high strength, high thermal shock resistance. The material can serve in the temp. up to 1550℃ withstanding high load and high thermal shock situation.
This kind of kiln furniture is kind of Composite Material which sintered in Nitrogen furnace in high temperature and it has high strength, high thermal shock resistance. The material can serve in the temp. up to 1550℃ withstanding high load and high thermal shock situation.
| Item | Si3N4 bonded SiC | |
| SERVICE TEMP. | 1550℃ | |
| SiC % | ≥72 | |
| Si3N4 % | ≥20 | |
| Fe2O3 % | ≤0.7 | |
| Bulk density , g/cm3 | ≥2.65 | |
| Apparent porosity % | ≤16 | |
| CCS MPa | ≥150 | |
| MOR, MPa | Room temp. | ≥42 |
| 1400℃×0.5hrs | ≥45 | |
| Refractoriness under load , ℃ , | ＞1700 | |
| (0.2MPa,0.6%) | ||
| Thermal shock resistance, cycles | ≥30 | |
| (Water quenching at 1100 ℃) | ||
