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Silicon nitride ceramic is an inorganic material ceramic that does not shrink during sintering.The strength of silicon nitride, especially hot-pressed silicon nitride, is one of the hardest substances in the world. Si3N4 Rod is a covalent bond compound with high strength, low density, and high temperature resistance.
Properties Of Silicon Nitride
| Property | Item | Data | Unit |
Mechanical Characteristics | Color | Black/Grey | - |
| Density | 3.2 | g/cm3 | |
| Bending Strength | 750 | MPa | |
| Compressive Strength | 3800 | MPa | |
| Elastic Modulus | 290 | GPa | |
| Fracture Toughness | 7 | MPa m1/2 | |
| Weber Coefficient | 15 | m | |
| Vickers Hardness | 1700 | HV 0.5 | |
Thermal Characteristics | Coefficient of Line Thermal Expansion | 2 | 10-6 K-1 |
| Thermal Conductivity | 20 | W/mK | |
| Thermal Shock Resistance (Put in Water) | 750 | ΔT℃ | |
| Max Working Temperature | 1300 | ℃ | |
Electrical Characteristics | Volume Resistance at 20℃ | >10⒕ | Ωcm |
| Dielectric Strength | 10×106 | V/m | |
| Dielectric Constant | - | εr | |
One MHZ Dielectric Loss Angle at 20℃ | - | tanδ | |
Chemical Characteristics | Nitric Acid(60%)90℃ | 1 | WT Loss mg/cm2/day |
| Sulphuric Acid(95%)95℃ | ≒0.00 | ||
| Caustic Soda(30%)80℃ | 0.2 |
This data is the result of laboratory testing. Customers need to judge whether it can be used according to the specific environment.
For more customization details, Please contact us.
Silicon nitride ceramic is an inorganic material ceramic that does not shrink during sintering.The strength of silicon nitride, especially hot-pressed silicon nitride, is one of the hardest substances in the world. Si3N4 Rod is a covalent bond compound with high strength, low density, and high temperature resistance.
Properties Of Silicon Nitride
| Property | Item | Data | Unit |
Mechanical Characteristics | Color | Black/Grey | - |
| Density | 3.2 | g/cm3 | |
| Bending Strength | 750 | MPa | |
| Compressive Strength | 3800 | MPa | |
| Elastic Modulus | 290 | GPa | |
| Fracture Toughness | 7 | MPa m1/2 | |
| Weber Coefficient | 15 | m | |
| Vickers Hardness | 1700 | HV 0.5 | |
Thermal Characteristics | Coefficient of Line Thermal Expansion | 2 | 10-6 K-1 |
| Thermal Conductivity | 20 | W/mK | |
| Thermal Shock Resistance (Put in Water) | 750 | ΔT℃ | |
| Max Working Temperature | 1300 | ℃ | |
Electrical Characteristics | Volume Resistance at 20℃ | >10⒕ | Ωcm |
| Dielectric Strength | 10×106 | V/m | |
| Dielectric Constant | - | εr | |
One MHZ Dielectric Loss Angle at 20℃ | - | tanδ | |
Chemical Characteristics | Nitric Acid(60%)90℃ | 1 | WT Loss mg/cm2/day |
| Sulphuric Acid(95%)95℃ | ≒0.00 | ||
| Caustic Soda(30%)80℃ | 0.2 |
This data is the result of laboratory testing. Customers need to judge whether it can be used according to the specific environment.
For more customization details, Please contact us.
