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Machinable Glass-ceramic vs. Cesium Bromide

Machinable glass-ceramic belongs to the glass and glass-ceramics classification, while cesium bromide belongs to the non-glass optical ceramics. There are 11 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
16
Knoop Hardness 250
20
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 26
7.5

Thermal Properties

Specific Heat Capacity, J/kg-K 790
270
Thermal Conductivity, W/m-K 1.2
0.9
Thermal Expansion, µm/m-K 21
48

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.4

Common Calculations

Stiffness to Weight: Axial, points 14
2.0
Stiffness to Weight: Bending, points 51
19
Thermal Diffusivity, mm2/s 0.56
0.76