Shapal Hi-M Soft
SHAPAL™ Hi-M SOFT MACHINABLE ALUMINIUM NITRIDE CERAMIC
SHAPAL™Hi-M soft is a machinable grade of Aluminium Nitride and combines a high thermal conductivity with a high mechanical strength with bending strengths of 30 Kg/m.
Properties:
- Shapal-M can be machined into complex shapes with high precision
- High thermal conductivity, five times more than alumina
- High mechanical strength, has a flexural strength of 30kg/mm2 which is comparable to that of alumina.
- Excellent electrical insulation
- Low thermal expansion
- Low dielectric loss
- Good high temperature ability
- Excellent sealing ability under vacuum
Applications:
- Vacuum Parts
- Electronic parts where high thermal conductivity is required
- Heat sinks
- Crucibles for vacuum deposition
- Refractory parts such as protective tubes
- A comprehensive range of industrial applications
Physical properties (@25°C)
Porosity |
0% |
Volume Resistivity |
1.0 x 1015 Ωcm |
Dielectric Constant |
6.8 |
Dielectric Strength |
65 kv/mm |
Thermal Conductivity |
92 W/m°C |
Thermal Expansion |
RT to 400°C – 4.8 X10-6 |
|
RT to 600°C – 4.9 X 10-6 |
|
RT to 800°C – 5.0 X 10-6 |
Maximum Use Temp |
1000°C (air) |
|
1900°C (in inert atmosphere) |
Bending strength |
300 Mpa |
Compressive strength |
100 Kg/mm2 |
Modulus of Elasticity |
1.8 x 104 Kg/mm2 |
Poisson’s Ratio |
0.31 |
Vickers Hardness |
380 kg/mm2 |