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Engineering Porcelain vs. Barium Fluoride

Engineering porcelain belongs to the oxide-based engineering ceramics classification, while barium fluoride belongs to the non-glass optical ceramics. There are 11 material properties with values for both materials. Properties with values for just one material (19, 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 engineering porcelain and the bottom bar is barium fluoride.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67 to 150
60
Knoop Hardness 600
80
Poisson's Ratio 0.17
0.32
Shear Modulus, GPa 34
25

Thermal Properties

Specific Heat Capacity, J/kg-K 600 to 1000
420
Thermal Conductivity, W/m-K 1.8 to 6.5
9.0
Thermal Expansion, µm/m-K 2.0 to 6.6
18

Otherwise Unclassified Properties

Density, g/cm3 2.3 to 3.0
4.9

Common Calculations

Stiffness to Weight: Axial, points 16 to 29
6.8
Stiffness to Weight: Bending, points 49 to 65
27
Thermal Diffusivity, mm2/s 0.73 to 3.9
4.4