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

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Lukely Works, Carisbrooke Road, Newport, Isle of Wight, United Kingdom, PO30 1DH
Tel: +44 (0)1983 528697 - Fax: +44 (0)1983 822252 - Email: info@ceramic-substrates.co.uk
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