Silver Bromide vs. Hafnia

Silver bromide belongs to the non-glass optical ceramics classification, while hafnia belongs to the oxide-based engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is silver bromide and the bottom bar is hafnia.

Silver Bromide (AgBr) Optical Material Hafnia (Hafnium Oxide, HfO₂)

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Material Properties

Density, g/cm³		6.5
Density, g/cm³		9.7

Elastic (Young's, Tensile) Modulus, GPa		32
Elastic (Young's, Tensile) Modulus, GPa		57

Melting Onset (Solidus), °C		430
Melting Onset (Solidus), °C		2900

Specific Heat Capacity, J/kg-K		290
Specific Heat Capacity, J/kg-K		120

Stiffness to Weight: Axial, points		2.7
Stiffness to Weight: Axial, points		3.3

Stiffness to Weight: Bending, points		16
Stiffness to Weight: Bending, points		13

Thermal Conductivity, W/m-K		1.2
Thermal Conductivity, W/m-K		1.1

Thermal Diffusivity, mm²/s		0.64
Thermal Diffusivity, mm²/s		0.95

Thermal Expansion, µm/m-K		30
Thermal Expansion, µm/m-K		6.0

Silver Bromide vs. Hafnia

Material Properties

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