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SiAlON vs. Potassium Chloride

SiAlON belongs to the non-oxide engineering ceramics classification, while potassium chloride belongs to the non-glass optical ceramics. There are 11 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is SiAlON and the bottom bar is potassium chloride.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 290
28
Poisson's Ratio 0.23
0.18
Shear Modulus, GPa 120
8.5

Thermal Properties

Specific Heat Capacity, J/kg-K 880
690
Thermal Conductivity, W/m-K 19
6.5
Thermal Expansion, µm/m-K 3.6
36

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 MHz 9.3
4.6

Otherwise Unclassified Properties

Density, g/cm3 3.3
2.0

Common Calculations

Stiffness to Weight: Axial, points 50
7.7
Stiffness to Weight: Bending, points 67
51
Thermal Diffusivity, mm2/s 6.4
4.7