Si₃N₄ highly pure (SN-PU)

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This material data has been provided by FCT Ingenieurkeramik.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

3.2 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

23.0 °C

320 GPa

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Flexural strength

23.0 °C

915 MPa

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Plane-Strain Fracture Toughnes

23.0 °C

6.5 MPa·√m

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Poisson's ratio

23.0 °C

0.26 [-]

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

20.0 °C

1.4E-6 1/K

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1000.0 °C

3.2E-6 1/K

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Max service temperature

1500 °C

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in inert gas

Max service temperature, long

1300 °C

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in air

Thermal conductivity

23.0 °C

30 W/(m·K)

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Thermal shock parameter R1

661 °C

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Thermal shock parameter R2

19837 W/m

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