Zirconia vs. Potassium Bromide

Zirconia belongs to the oxide-based engineering ceramics classification, while potassium bromide belongs to the non-glass optical ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (17, 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 zirconia and the bottom bar is potassium bromide.

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Material Properties

Density, g/cm³		5.7 to 6.0
Density, g/cm³		2.8

Dielectric Constant (Relative Permittivity) At 1 MHz		28
Dielectric Constant (Relative Permittivity) At 1 MHz		4.9

Elastic (Young's, Tensile) Modulus, GPa		190 to 200
Elastic (Young's, Tensile) Modulus, GPa		24

Poisson's Ratio		0.25 to 0.29
Poisson's Ratio		0.17

Specific Heat Capacity, J/kg-K		400 to 510
Specific Heat Capacity, J/kg-K		450

Stiffness to Weight: Axial, points		19
Stiffness to Weight: Axial, points		4.7

Stiffness to Weight: Bending, points		33 to 34
Stiffness to Weight: Bending, points		35

Thermal Conductivity, W/m-K		2.2 to 4.3
Thermal Conductivity, W/m-K		4.8

Thermal Diffusivity, mm²/s		0.73 to 1.8
Thermal Diffusivity, mm²/s		3.9

Thermal Expansion, µm/m-K		8.8 to 9.5
Thermal Expansion, µm/m-K		39

Zirconia vs. Potassium Bromide

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