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Carbon-carbon vs. AWS BAg-26

Carbon-carbon and AWS BAg-26 belong to fundamentally different material chemistries. Carbon-carbon is a ceramic material, while AWS BAg-26 is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 12 material properties with values for both materials. Properties with values for just one material (14, 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 carbon-carbon and the bottom bar is AWS BAg-26.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 95
98
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 36
37
Tensile Strength: Ultimate (UTS), MPa 19
160

Thermal Properties

Specific Heat Capacity, J/kg-K 760
350
Thermal Expansion, µm/m-K 4.0
21

Otherwise Unclassified Properties

Density, g/cm3 1.7
8.5

Common Calculations

Stiffness to Weight: Axial, points 31
6.4
Stiffness to Weight: Bending, points 89
18
Strength to Weight: Axial, points 3.0
5.2
Strength to Weight: Bending, points 9.1
7.7
Thermal Shock Resistance, points 3.5
5.6