Yttria vs. Granite

Yttria belongs to the oxide-based engineering ceramics classification, while granite belongs to the natural stone. There are 10 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is yttria and the bottom bar is granite.

Yttria (Yttrium Oxide, Y₂O₃)Granite

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Material Properties

Compressive (Crushing) Strength, MPa		390
Compressive (Crushing) Strength, MPa		2200

Density, g/cm³		5.0
Density, g/cm³		2.9

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		70

Maximum Temperature: Mechanical, °C		2000
Maximum Temperature: Mechanical, °C		350

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		840

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		32
Stiffness to Weight: Bending, points		48

Thermal Conductivity, W/m-K		0.3
Thermal Conductivity, W/m-K		2.7

Thermal Diffusivity, mm²/s		0.14
Thermal Diffusivity, mm²/s		1.1

Thermal Expansion, µm/m-K		8.0
Thermal Expansion, µm/m-K		7.4

Yttria vs. Granite

Material Properties

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