CVD Diamond vs. Forsterite

CVD diamond belongs to the non-oxide engineering ceramics classification, while forsterite belongs to the oxide-based engineering ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is CVD diamond and the bottom bar is forsterite.

Polycrystalline CVD Diamond Forsterite (Mg₂SiO₄)

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Material Properties

Density, g/cm³		3.5
Density, g/cm³		2.1 to 3.1

Dielectric Constant (Relative Permittivity) At 1 MHz		5.7
Dielectric Constant (Relative Permittivity) At 1 MHz		6.2

Electrical Dissipation At 1 MHz		0.00020
Electrical Dissipation At 1 MHz		0.00030

Specific Heat Capacity, J/kg-K		500
Specific Heat Capacity, J/kg-K		850

Thermal Conductivity, W/m-K		1900
Thermal Conductivity, W/m-K		1.7 to 3.5

Thermal Diffusivity, mm²/s		1080
Thermal Diffusivity, mm²/s		0.94 to 1.3

Thermal Expansion, µm/m-K		1.0
Thermal Expansion, µm/m-K		9.0 to 10

CVD Diamond vs. Forsterite

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