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CoorsTek Hot Pressed Aluminum Nitride

Category Ceramic , Nitride
Manufacturer CoorsTek
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF CoorsTek Hot Pressed Aluminum Nitride.pdf
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Material Notes:
Aluminum Nitride Advantages: High heat dissipation with thermal conductivity of 170 W/m K Non-toxic alternative to BeO Thermal expansion coefficient similar to Si, GaN, and GaAs semiconductors High dielectric strengthInformation provided by CoorsTek, Inc.
Physical Properties Metric English Comments
Density 3.26 g/cc
0.118 lb/in³
ASTM C20
Water Absorption 0.00 %
0.00 %
ASTM 373
Permeability 0.00
0.00
Gas
Mechanical Properties Metric English Comments
Hardness, Knoop 11
11
1000gm
Modulus of Elasticity 330 GPa
47900 ksi
ASTM C848
Flexural Strength 340 MPa
49300 psi
MOR, Four point bend modulus of rupture; ASTM F417
Poissons Ratio 0.25
0.25
ASTM C848
Fracture Toughness 3.00 MPa-m½
2.73 ksi-in½
K<sub>Ic</sub>; Notched Beam
Shear Modulus 132 GPa
19100 ksi
Calculated
Thermal Properties Metric English Comments
CTE, linear 5.00 µm/m-°C

@Temperature 25.0 - 1000 °C
2.78 µin/in-°F

@Temperature 77.0 - 1830 °F
ASTM C372
Specific Heat Capacity 0.740 J/g-°C

@Temperature 100 °C
0.177 BTU/lb-°F

@Temperature 212 °F
ASTM E1269
Thermal Conductivity 80.0 W/m-K
555 BTU-in/hr-ft²-°F
ASTM C408
Maximum Service Temperature, Air 800 °C
1470 °F
No load condition
Electrical Properties Metric English Comments
Volume Resistivity >= 1000 ohm-cm

@Temperature 1000 °C
>= 1000 ohm-cm

@Temperature 1830 °F
ASTM D1829
>= 1e+05

@Temperature 500 °C
>= 1e+05

@Temperature 932 °F
ASTM D1829
>= 1.00e+13 ohm-cm

@Temperature 25.0 °C
>= 1.00e+13 ohm-cm

@Temperature 77.0 °F
ASTM D1829
Dielectric Constant 9.0

@Frequency 1.00e+6 Hz
9.0

@Frequency 1.00e+6 Hz
ASTM D150
Dielectric Strength 17.0 kV/mm

@Thickness 6.35 mm
432 kV/in

@Thickness 0.250 in
ASTM D150
Dielectric Loss Index <= 0.0010

@Frequency 1.00e+6 Hz
<= 0.0010

@Frequency 1.00e+6 Hz
ASTM D150
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