Silicon nitride bonded silicon carbide brick
Silicon nitride bonded silicon carbide brick (Si₃N₄-SiC Brick) is a high-performance composite refractory material, formed by tightly bonding silicon nitride (Si₃N₄) and silicon carbide (SiC) through a nitriding reaction sintering process. This product combines the high-temperature strength and oxidation resistance of silicon nitride with the excellent thermal shock resistance, wear resistance, and thermal conductivity of silicon carbide. It is specially designed for extreme high-temperature, corrosive, and mechanical impact environments, and is widely used in metallurgy, chemical industry, ceramics, glass, and other industrial fields.
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Aluminum
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| Item | Silicon nitride bonded silicon carbide brick Si 3 N 4 -SiC brick |
| Si 3 N 4 % | ≥18 |
| SiC % | ≥72 |
| Bulk density g/cm3 | 2.6-2.7 |
| Apparent porosity % | ≤16 |
| Cold compression strength MPa | ≥180 |
| High temperature flexural strength MPa (1400℃×0.5h) | ≥50 |
| Thermal conductivity W/(m.k) 1200℃ Thermal Conductivity |
15 |
| Thermal shock resistance Water quenching at 1100℃ (times) |
≥30 |
Application:
Silicon nitride bonded silicon carbide brick (Si₃N₄-SiC Brick) is a high-performance composite refractory material, formed by tightly bonding silicon nitride (Si₃N₄) and silicon carbide (SiC) through a nitriding reaction sintering process. This product combines the high-temperature strength and oxidation resistance of silicon nitride with the excellent thermal shock resistance, wear resistance, and thermal conductivity of silicon carbide. It is designed for extreme high temperature, corrosion, and mechanical impact environments, and is widely used in metallurgy, chemical industry, ceramics, glass, and other industrial fields.
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