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Carbon-carbon vs. Grade A Lava

Carbon-carbon belongs to the non-oxide engineering ceramics classification, while grade A lava belongs to the oxide-based engineering ceramics. There are 11 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is carbon-carbon and the bottom bar is grade A lava.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 240
76 to 170
Tensile Strength: Ultimate (UTS), MPa 19
6.9 to 21

Thermal Properties

Maximum Temperature: Corrosion, °C 350
1150
Maximum Temperature: Mechanical, °C 2400
650 to 1130
Specific Heat Capacity, J/kg-K 760
840
Thermal Conductivity, W/m-K 40
2.0
Thermal Expansion, µm/m-K 4.0
2.5 to 3.3

Otherwise Unclassified Properties

Density, g/cm3 1.7
2.3 to 2.5

Common Calculations

Strength to Weight: Axial, points 3.0
0.77 to 2.5
Strength to Weight: Bending, points 9.1
3.2 to 7.3
Thermal Diffusivity, mm2/s 31
1.0