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Machinable Glass-ceramic vs. Sandstone

Machinable glass-ceramic belongs to the glass and glass-ceramics classification, while sandstone belongs to the natural stone. There are 17 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is machinable glass-ceramic and the bottom bar is sandstone.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 310
120
Elastic (Young's, Tensile) Modulus, GPa 67
38
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 26
15
Tensile Strength: Ultimate (UTS), MPa 84
4.0

Thermal Properties

Maximum Temperature: Mechanical, °C 760
400
Specific Heat Capacity, J/kg-K 790
880
Thermal Conductivity, W/m-K 1.2
5.6
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 27
8.5

Otherwise Unclassified Properties

Density, g/cm3 2.7
2.6

Common Calculations

Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 51
43
Strength to Weight: Axial, points 8.8
0.43
Strength to Weight: Bending, points 16
2.1
Thermal Diffusivity, mm2/s 0.56
2.4
Thermal Shock Resistance, points 4.3
0.75