Yttria vs. Soda-lime Glass

Yttria belongs to the oxide-based engineering ceramics classification, while soda-lime glass belongs to the glass and glass-ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (12, 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 yttria and the bottom bar is soda-lime glass.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		5.0
Density, g/cm³		2.4

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		70 to 71

Light Transmission Range, µm		0.3 to 12
Light Transmission Range, µm		0.35 to 2.5

Maximum Temperature: Mechanical, °C		2000
Maximum Temperature: Mechanical, °C		300

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		720 to 800

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

Stiffness to Weight: Bending, points		32
Stiffness to Weight: Bending, points		56

Thermal Conductivity, W/m-K		0.3
Thermal Conductivity, W/m-K		1.0 to 1.1

Thermal Diffusivity, mm²/s		0.14
Thermal Diffusivity, mm²/s		0.51 to 0.6

Thermal Expansion, µm/m-K		8.0
Thermal Expansion, µm/m-K		8.8 to 9.0

Yttria vs. Soda-lime Glass

Material Properties

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