MakeItFrom.com
Menu (ESC)

Carbon-carbon vs. Mullite

Carbon-carbon belongs to the non-oxide engineering ceramics classification, while mullite belongs to the oxide-based engineering ceramics. There are 16 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is carbon-carbon and the bottom bar is mullite.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 240
800
Elastic (Young's, Tensile) Modulus, GPa 95
110 to 170
Poisson's Ratio 0.32
0.25
Tensile Strength: Ultimate (UTS), MPa 19
160

Thermal Properties

Maximum Temperature: Mechanical, °C 2400
1680
Specific Heat Capacity, J/kg-K 760
950
Thermal Conductivity, W/m-K 40
3.5 to 11
Thermal Expansion, µm/m-K 4.0
5.8

Electrical Properties

Electrical Resistivity Order of Magnitude, 10x Ω-m -5.0
10 to 11

Otherwise Unclassified Properties

Density, g/cm3 1.7
2.7 to 3.0

Common Calculations

Stiffness to Weight: Axial, points 31
22 to 31
Stiffness to Weight: Bending, points 89
58 to 62
Strength to Weight: Axial, points 3.0
15 to 17
Strength to Weight: Bending, points 9.1
22 to 24
Thermal Diffusivity, mm2/s 31
1.4 to 3.7
Thermal Shock Resistance, points 3.5
12 to 19