Crystal Structure
-
Cubic Spinel
Stoichiometry
-
Al(64+x)/3 O32-x Nx (2.75 ≤ x ≤ 5)
Density
-
3.711 ( g/cc3 )
Lattice Constant
-
7.946 Ã…
Flexure Strength
-
228 - 307 (MPa)
Compressive Strength
-
2677 (MPa)
Fracture Toughness
-
2.4 - 2.9 (MPa-m1/2 )
Hardness
-
13.8 (GPa)
Thermal Conductivity (W/m - 0c)
-
9.4-10.3
Coefficient of Expansion ( / 0c)
(Between 25 - 1000 0c)
-
7.6 x 10-6 / 0c
Young’s Modulus
-
307 - 320 (GPa)
Shear Modulus
-
123 - 128 (GPa)
Bulk Modulus
-
229.8 (GPa)
Poisson’s Ratio
-
0.25 - 0.26
Dielectric Constant (1 MHz)
-
8.56
Dielectric Constant (7 GHz)
-
8.6
Dielectric Loss (1 MHz)
-
0.0005
Dielectric Loss (7 GHz)
-
0.0002
Refractive index (at wavelength 0.5 μm)
-
1.77 - 1.88
Absorption Coefficient (at wavelength 3.39 μm)
-
0.1
Transmission wavelength range
-
0.22 - 6
Crystal Structure
-
Cubic Spinel
Stoichiometry
-
Al(64+x)/3 O32-x Nx (2.75 ≤ x ≤ 5)
Density
-
3.711 ( g/cc3 )
Lattice Constant
-
7.946 Ã…
Young’s Modulus
-
307 - 320 (GPa)
Shear Modulus
-
123 - 128 (GPa)
Bulk Modulus
-
229.8 (GPa)
Poisson’s Ratio
-
0.25 - 0.26
Flexure Strength
-
228 - 307 (MPa)
Compressive Strength
-
2677 (MPa)
Fracture Toughness
-
2.4 - 2.9 (MPa-m1/2 )
Hardness
-
13.8 (GPa)
Dielectric Constant (1 MHz)
-
8.56
Dielectric Constant (7 GHz)
-
8.6
Dielectric Loss (1 MHz)
-
0.0005
Dielectric Loss (7 GHz)
-
0.0002
Refractive index (at wavelength 0.5 μm)
-
1.77 - 1.88
Absorption Coefficient (at wavelength 3.39 μm)
-
0.1
Transmission wavelength range
-
0.22 - 6
Thermal Conductivity (W/m - 0c)
-
9.4-10.3
Coefficient of Expansion ( / 0c)
(Between 25 - 1000 0c)
-
7.6 x 10-6 / 0c