■ Introduction:
Si3N4 silicon nitride liner with high wear resistance refers to a high temperature, wear resistant material commonly used in the manufacture of high temperature fused metal, glass and ceramic containers and pipes. Silicon nitride ceramics have excellent mechanical strength, chemical stability, high temperature resistance and wear resistance. Si3N4 silicon nitride liner can withstand extremely high temperatures and pressures without deformation or damage. Therefore, silicon nitride ceramic lining is widely used in steel making, casting, ceramic and glass manufacturing and other industries.
■ Technical data sheet:
Properties | Unit | Data |
Si3 N4 Content | % | ≧92% |
Density | g/cm3 | ≧3. 1 |
Relative Density | g/cm3 | >99.6 |
Elasticity Modulus | Gpa | 300-500 |
Crushing Load Ratio | (25℃)% | ≧45 |
Hardness | (Hv)Mpa | 1800-2000 |
Fracture Toughness | Mpa•m1/2 | 7.0-8.5 |
Flexural Strength | Mpa | ≧600 |
Poisson Ratio | / | 0.25 |
Coefficient of linear expansion | 10-6 K- 1 | 3.2-3.4 |
Heat Conductivity | W•(M•K)- 1 | 20-25 |
Surface smoothness | / | ≤0.3 |
Electrical isolation | KV | ≧20 |
Acid&Alkali Resistance | / | excellent |
Magnetism | / | Without |
Working Temperature | ℃ | 1400 |
■ Advantages:
1. High hardness: High wear resistance Si3N4 is much harder than traditional ceramic materials and can resist high-speed wear and cutting.
2. High purity: Wear resistant Si3N4 liner has high purity, will not pollute the material being treated, suitable for high purity requirements of industrial environment.
3. Wear resistance: Wear resistant silicon nitride liner has very high wear resistance, which can resist abrasion in high speed rotation, high frequency vibration and other abrasive environment
4. Easy processing: Si3N4 silicon nitride liner is easy to process and can be manufactured into complex shapes, improving the overall performance of the equipment.