Thermalox CR

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Description

Thermalox® CR ceramic - the purest BeO product at 99.7% was designed to make high temperature crucibles are non-reactive when it encounters other metals.

This material data has been provided by Materion Brush GmbH.

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

2.85 g/cm³

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Grain size

25 μm

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Water absorption

23.0 °C

0 %

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Mechanical

PropertyTemperatureValue

Compressive strength

23.0 °C

1.55 MPa

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Elastic modulus

23.0 °C

345 GPa

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Flexural strength

23.0 °C

207 MPa

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Hardness, Rockwell Superficial 45-N

23.0 °C

60 [-]

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Plane-Strain Fracture Toughnes

23.0 °C

3.7 MPa·√m

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Poisson's ratio

23.0 °C

0.26 [-]

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Tensile strength

23.0 °C

124 MPa

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

9E-6 1/K

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Specific heat capacity

23.0 °C

1046 J/(kg·K)

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Thermal conductivity

23.0 °C

250 W/(m·K)

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Electrical

PropertyTemperatureValueComment

Dielectric constant, 10GHz

23.0 °C

6.76 [-]

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Dielectric constant, 1MHz

23.0 °C

6.76 [-]

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Dielectric strength

23.0 °C

0.23 kV/mm

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AC, 6.35mm

Dissipation factor, 1MHz

23.0 °C

4E-4 [-]

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Electrical resistivity

23.0 °C

1.00E+13 Ω·m

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Minimum

Technological properties

Property
Application areas

Medical, industrial and electronics markets, dosimeters, crucibles for Li-ion batteries, aerospace applications for thermal management, medical imaging applications, defense systems and electronics manufacturing

Color

Light Grey