■ Introduction:
Wear resistant silicon nitride ceramic tile plate is a kind of high temperature ceramic material,Silicon nitride lining tile made of silicon nitride powder by pressing, sintering and other processes. Si3N4 ceramic lining plate has the characteristics of high hardness, high strength, high wear resistance, high temperature resistance, corrosion resistance and so on. Wear resistant Si3N4 tile is widely used in mechanical engineering, chemical industry, electronics, petroleum, metallurgy, aerospace and other fields.
■ 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: It has a Mohs hardness of 9.5, which is stronger than ordinary ceramics and metals
2. High purity: It has excellent insulation and thermal conductivity.
Corrosion resistance, with good acid and alkali corrosion resistance, can be used in corrosive environment for a long time.
3. Good wear resistance : with good wear resistance, can work in high speed friction and wear environment for a long time.