Aluminium Nitride / Aluminum Nitride (AlN) - Properties and Applications

Material: Aluminium Nitride / Aluminum Nitride (AlN) - Properties and Applications
Composition: AlN
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0062 0.0064 m3/kmol 378.347 390.552 in3/kmol
Density 2.92 3.33 Mg/m3 182.29 207.885 lb/ft3
Energy Content 200 300 MJ/kg 21667.7 32501.6 kcal/lb
Bulk Modulus 193 240 GPa 27.9923 34.809 106 psi
Compressive Strength 1970 2700 MPa 285.724 391.602 ksi
Ductility 0.00061 0.00083 0.00061 0.00083 NULL
Elastic Limit 197 270 MPa 28.5724 39.1602 ksi
Endurance Limit 168 248 MPa 24.3663 35.9693 ksi
Fracture Toughness 3 5.9 MPa.m1/2 2.73014 5.36928 ksi.in1/2
Hardness 9975 12600 MPa 1446.75 1827.48 ksi
Loss Coefficient 1e-005 3e-005 1e-005 3e-005 NULL
Modulus of Rupture 262 367 MPa 37.9999 53.2288 ksi
Poisson's Ratio 0.23 0.27 0.23 0.27 NULL
Shear Modulus 126 139 GPa 18.2747 20.1602 106 psi
Tensile Strength 197 270 MPa 28.5724 39.1602 ksi
Young's Modulus 302 348 GPa 43.8014 50.4731 106 psi
Glass Temperature K °F
Latent Heat of Fusion 1210 1390 kJ/kg 520.204 597.589 BTU/lb
Maximum Service Temperature 1300 2000 K 1880.33 3140.33 °F
Melting Point 2670 2780 K 4346.33 4544.33 °F
Minimum Service Temperature 0 0 K -459.67 -459.67 °F
Specific Heat 780 820 J/kg.K 0.603609 0.634564 BTU/lb.F
Thermal Conductivity 60 177 W/m.K 112.322 331.35 BTU.ft/h.ft2.F
Thermal Expansion 4.3 5.6 10-6/K 7.74 10.08 10-6/°F
Breakdown Potential 10 20 MV/m 254 508 V/mil
Dielectric Constant 8.3 9.3 8.3 9.3 NULL
Resistivity 1e+017 1e+021 10-8 ohm.m 1e+017 1e+021 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 5
Fresh Water 5
Organic Solvents 5
Oxidation at 500C 5
Sea Water 5
Strong Acid 3
Strong Alkalis 3
UV 5
Wear 5
Weak Acid 5
Weak Alkalis 5