Limestone vs. Yttria

Limestone belongs to the natural stone classification, while yttria belongs to the oxide-based engineering ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

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

Limestone Yttria (Yttrium Oxide, Y₂O₃)

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa		700
Compressive (Crushing) Strength, MPa		390

Density, g/cm³		2.6
Density, g/cm³		5.0

Elastic (Young's, Tensile) Modulus, GPa		77
Elastic (Young's, Tensile) Modulus, GPa		120

Maximum Temperature: Mechanical, °C		360
Maximum Temperature: Mechanical, °C		2000

Specific Heat Capacity, J/kg-K		920
Specific Heat Capacity, J/kg-K		440

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

Stiffness to Weight: Bending, points		55
Stiffness to Weight: Bending, points		32

Thermal Conductivity, W/m-K		2.1
Thermal Conductivity, W/m-K		0.3

Thermal Diffusivity, mm²/s		0.88
Thermal Diffusivity, mm²/s		0.14

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

Limestone vs. Yttria

Material Properties

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