to Nitride ceramics
to Properties of ceramics

Aluminum Nitride (AlN)

(submitted by the website administration)

Aluminum Nitride ( AlN)
Chemical composition: AlN
Property Value in metric unit Value in US unit
Density 3.15 *10³ kg/m³ 196.6 lb/ft³
Modulus of elasticity 320 GPa 46400 ksi
Flexural strength 280 MPa 40600 psi
Fracture toughness 3.3 MPa*m½ 3.3 MPa*m½
Hardness 11000 HV 11000 HV
Thermal expansion (20 ºC) 5.0*10-6 ºCˉ¹ 2.8*10-6 in/(in* ºF)
Thermal conductivity 200 W/(m*K) 1387 BTU*in/(hr*ft²*ºF)
Specific heat capacity 730 J/(kg*K) 0.17 BTU/(lb*ºF)
Max. working temperature 1000 ºC 1830 ºF


Related internal links


to Nitride ceramics
to Properties of ceramics