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Tungsten Carbide vs. Yttria

Tungsten carbide belongs to the non-oxide engineering ceramics classification, while yttria belongs to the oxide-based engineering ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (11, 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 tungsten carbide and the bottom bar is yttria.

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa 4780
390
Density, g/cm3 15
5.0
Elastic (Young's, Tensile) Modulus, GPa 630
120
Maximum Temperature: Mechanical, °C 1000
2000
Specific Heat Capacity, J/kg-K 280
440
Stiffness to Weight: Axial, points 24
13
Stiffness to Weight: Bending, points 20
32
Thermal Conductivity, W/m-K 85
0.3
Thermal Diffusivity, mm2/s 21
0.14
Thermal Expansion, µm/m-K 5.4
8.0