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Formula: AlN
Form: Disk
Material: Aluminum Nitride
CAS Number: 24304-00-5
Commodity: Ceramics
Aluminum Nitride disks are available in 2 variations and feature high thermal conductivity and electrical resistivity. Potential applications include electronic substrates, thermally conductive fillers and components requiring dimensional stability at high temperatures. Whatever your technical requirements, we’ll ensure you have the right Aluminum Nitride disks to meet your research and development needs.
Tolerances
Disk
| Thickness | ±20% |
|---|
Material Properties for Ceramics
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Poor |
| Acids - dilute | Fair |
| Alkalis | Fair |
| Metals | Good |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant | 9.2 |
| Dielectric strength( kV mm⁻¹ ) | 35 |
| Volume resistivity( Ohmcm ) | >10¹³@25 |
Physical Properties
| Element | Value |
|---|---|
| Useful optical transmission range | 500-3000nm |
| Water absorption - saturation( % ) | 0 |
| Density( gcm⁻³ ) | 3.33 |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 2200 |
| Sublimation point( C ) | 2500 |
| Upper continuous use temperature( C ) | 1000-1800 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 800@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 175-190@20°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 4.4@20-1000°C |
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Vickers( kgf mm⁻² ) | 1100 |
| Shear strength( MPa ) | 450 |
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