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Titanium Diboride vs. Cordierite

Titanium diboride belongs to the non-oxide engineering ceramics classification, while cordierite belongs to the oxide-based engineering ceramics. There are 18 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

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

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 3540
Elastic (Young's, Tensile) Modulus, GPa 290
Flexural Strength, MPa 380
17 to 32
Fracture Toughness, MPa-m1/2 6.5
Tensile Strength: Ultimate (UTS), MPa 280

Thermal Properties

Maximum Temperature: Mechanical, °C 1270
Maximum Thermal Shock, °C 110
290 to 390
Specific Heat Capacity, J/kg-K 870
800 to 850
Thermal Conductivity, W/m-K 58
1.3 to 1.7
Thermal Expansion, µm/m-K 8.0
2.9 to 4.8

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.0 to 2.2

Common Calculations

Stiffness to Weight: Axial, points 35
15 to 17
Stiffness to Weight: Bending, points 49
59 to 67
Strength to Weight: Axial, points 17
24 to 27
Strength to Weight: Bending, points 21
33 to 38
Thermal Diffusivity, mm2/s 15
0.74 to 1.0
Thermal Shock Resistance, points 8.7
47 to 78