Soda-lime Glass vs. Silicon Carbide
Soda-lime glass belongs to the glass and glass-ceramics classification, while silicon carbide belongs to the non-oxide engineering ceramics. There are 15 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is soda-lime glass and the bottom bar is silicon carbide.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 70 to 71 | |
370 to 490 |
Knoop Hardness | 570 | |
2500 to 2900 |
Poisson's Ratio | 0.23 | |
0.14 to 0.21 |
Tensile Strength: Ultimate (UTS), MPa | 41 to 180 | |
210 to 370 |
Thermal Properties
Maximum Temperature: Mechanical, °C | 300 | |
500 to 1590 |
Specific Heat Capacity, J/kg-K | 720 to 800 | |
670 to 1180 |
Thermal Conductivity, W/m-K | 1.0 to 1.1 | |
120 to 170 |
Thermal Expansion, µm/m-K | 8.8 to 9.0 | |
4.0 to 4.5 |
Otherwise Unclassified Properties
Density, g/cm3 | 2.4 | |
3.0 to 3.2 |
Common Calculations
Stiffness to Weight: Axial, points | 16 | |
69 to 84 |
Stiffness to Weight: Bending, points | 56 | |
79 to 82 |
Strength to Weight: Axial, points | 4.6 to 20 | |
18 to 34 |
Strength to Weight: Bending, points | 11 to 28 | |
24 to 38 |
Thermal Diffusivity, mm2/s | 0.51 to 0.6 | |
38 to 79 |
Thermal Shock Resistance, points | 4.7 to 20 | |
6.9 to 18 |