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Electrically insulating, relatively good corrosion
resistance, medium operating temperature (1300 C),
structural ceramics, good mechanical
characteristics, low thermal expansion, high
thermal conductivity, very good thermal shock
resistance, low specific weight. |
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Technical Parameters |
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Description |
Unit |
Value |
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Material |
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Si3N4 |
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Colour |
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grey,
black |
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Density |
g/cm3 |
3.2 |
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Flexural Strength |
MPa |
750 |
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Compressive Strength |
MPa |
2500 |
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Modulus of Elasticity (young) |
GPa |
295 |
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Impact Resistance |
MPa m1/2 |
6.7 |
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Weibull Modulus |
m |
15 |
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Vickers Hardness |
HV 0.5 |
1650 |
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Thermal Expansion Coefficient |
10-6 K-1 |
3.4 |
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Thermal Conductivity |
W/mK |
22 |
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Thermal Shock Resistance |
∆T °C |
750 |
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Maximum Use Temperature |
°C |
1300 |
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Volume Resistivity at 20 °C |
Ωcm |
>10+11 |
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Dielectric Strength |
kV/mm |
20 |
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These properties were
measured on test samples. The values are typical
material properties and may vary according to
product configuration, geometry and
manufacturing process. |
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