Machinable Glass Ceramic

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Description

Machinable Glass Ceramic has a continuous use temperature of 800ºC and a peak temperature of 1000ºC. Its coefficient of thermal expansion readily matches most metals and sealing glasses.It processes good machinability and can be lathed, milled, planed, ground, bored, incised and threaded. It also has the advantages of insulation, pore-free, high/low-temperature resistant, acid and alkali resistant and thermal impact resistant. In terms of machinability, it can take the place of aluminum oxide and boron nitride ceramics that are difficult to machine.

Los datos sobre este material han sido proporcionados por Innovacera.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

PropertyTemperatureValue

Densidad

23.0 °C

2.6 g/cm³

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Mecánica

PropertyTemperatureValue

Coeficiente de Poisson

23.0 °C

0.29 [-]

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Módulo elástico

23.0 °C

25.5 GPa

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Resistencia a la compresión

23.0 °C

345 MPa

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Resistencia a la flexión

23.0 °C

94 MPa

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Aplicaciones térmicas

PropertyTemperatureValue

Calor específico

23.0 °C

790 J/(kg·K)

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Coeficiente de dilatación térmica

23.0 °C

9E-6 1/K

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Conductividad térmica

23.0 °C

1.71 W/(m·K)

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Eléctrico

PropertyTemperatureValue

Constante dieléctrica

23.0 °C

6 - 7 [-]

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Resistividad eléctrica

23.0 °C

1.00E+18 Ω·m

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Rigidez dieléctrica

23.0 °C

45 kV/mm

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Tangente de pérdidas

23.0 °C

4E-4 [-]

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Technological properties

Property
Application areas

It is widely used for nuclear, microwave high vacuum insulation, high precision magnetism-free skeleton for aeronautic and astronautic electrical devices, ultra-high voltage insulation for electric motors and structural parts at strong erosion environments.

Processing methods

Crystal Growth