95% Alumina

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Description

95 Alumina exhibits better properties than 92 Alumina and a more competitive price, making it the most popular ceramic material in China. It widely used in complex shape design like heat sink, disc, insulator and igniter.

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

3.7 g/cm³

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Mecánica

PropertyTemperatureValue

Coeficiente de Poisson

23.0 °C

0.22 - 0.23 [-]

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Dureza Vickers

23.0 °C

1377 [-]

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Módulo elástico

23.0 °C

280 - 320 GPa

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Plane-Strain Fracture Toughnes

23.0 °C

4 - 5 MPa·√m

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Resistencia a la compresión

23.0 °C

2068 MPa

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Resistencia a la flexión

23.0 °C

323.7 MPa

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Aplicaciones térmicas

PropertyTemperatureValue

Calor específico

23.0 °C

780 J/(kg·K)

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Coeficiente de dilatación térmica

23.0 °C

8.2E-6 1/K

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Conductividad térmica

23.0 °C

23 W/(m·K)

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Parámetro de choque térmico (R2)

200 W/m

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Eléctrico

PropertyTemperatureValue

Constante dieléctrica

23.0 °C

9 [-]

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Resistividad eléctrica

23.0 °C

1.00E+16 Ω·m

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Rigidez dieléctrica

23.0 °C

15 kV/mm

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Tangente de pérdidas

23.0 °C

4E-4 [-]

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Technological properties

Property
Application areas

Wear ceramic parts: Ceramic Nozzles, Sprayers Cyclones, Homogenising devices, Ceramic Linings, Milling Systems, Ceramic Thread guides - Precision components: Ceramic Measuring Components, Ceramic Control systems, (Micro) dosing valves, Electronic Components, Mechatronics, Optical applications - Machine-construction: Positioning Guide parts, Coatings, Transport ceramic rollers, Ceramic Dies, Textile machine parts, Furnace parts - Rotating equipment: Ceramic Sliding Bearings, Ceramic Ball bearings, Mechanical seals, Ceramic Plungers, Ceramic Valves / fittings, Dosing components - Cutting & moulding: Ceramic knives, Metal-forming tools, Seaming rolls, Ceramic Punches, Drawing dies

Processing methods

Ceramic Injection Molding, Low Pressure Injection Molding, Cold Isostatic Press, Dry Press, Precision Machining Processing