MakeItFrom.com
Menu (ESC)

Titanium Diboride vs. Aluminum Nitride

Both titanium diboride and aluminum nitride are non-oxide engineering ceramics. There are 16 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is titanium diboride and the bottom bar is aluminum nitride.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 3540
2100
Elastic (Young's, Tensile) Modulus, GPa 290
330
Flexural Strength, MPa 380
190 to 400
Fracture Toughness, MPa-m1/2 6.5
2.9
Knoop Hardness 2800
1160
Poisson's Ratio 0.11
0.21 to 0.31

Thermal Properties

Maximum Temperature: Mechanical, °C 1270
1380
Maximum Thermal Shock, °C 110
220
Specific Heat Capacity, J/kg-K 870
780
Thermal Conductivity, W/m-K 58
80 to 190
Thermal Expansion, µm/m-K 8.0
4.2 to 5.4

Electrical Properties

Electrical Resistivity Order of Magnitude, 10x Ω-m -6.5
10 to 12

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.9 to 3.3

Common Calculations

Stiffness to Weight: Axial, points 35
55 to 63
Stiffness to Weight: Bending, points 49
69 to 80
Thermal Diffusivity, mm2/s 15
31 to 74