Calculate the SCFM.
Technical Information
Properties of Refractory and Ceramic Materials
| Material | Melting Point | Limit of Application | Hardness Moh's Scale | Density | Specific Heat (mean) 25-1000 °C |
Linear Coefficient of expansion | Thermal Conductivity | Electrical Resistivity |
|---|---|---|---|---|---|---|---|---|
| UNITS | °C | °C | g/cm3 | J/kg °C |
25-800°C х 10-6 / °C |
@°C W/m °C |
@°C ohm/cm |
|
| Alumina (Al203) |
2050 | 1950 | 9 | 3.96 | 1050 | 8.0 | [email protected] | 106@1100 |
| Beryllia (Be0) |
2550 | 2400 | 9 | 3.0 | 2180 | 7.5 | [email protected] | 4 x 108@600 8 x 1012@2100 |
| Magnesia (Mg0) |
2850 | 2400 | 6 | 3.60 | 1170 | 13.5 | [email protected] | 2 x 108@850 |
| Thoria (Th02) |
3220 approx |
2700 | 7 | 9.5 - 9.9 | 290 | 9.5 | [email protected] | 2.6 x 107@550 1.5 x 104@1200 |
| Zirconia (Zr02) |
2700 | 2400 | 6.5 | 5.5 - 5.8 | 590 | 7.5 | [email protected] | 106@385 3.6 x 104@1200 |
| Zircon (Zr02Si02) |
2500 approx |
1870 | 7.5 | 4.5 - 4.7 | 630 | 4.5 | [email protected] | High |
| Spinel (Mg0 Al203) |
2130 | 1900 | 8 | 3.60 | 1050 | 8.5 | [email protected] | 2.8 x 107@500 2.0 x 105@110 |
| Mullite (3Al2032Si02) |
1850 | 1800 | --- | 2.8 | 840 | 5.0 | [email protected] | 105 - 103 @815-1370 |
| Sillimanite (Al203Si02) |
1800 approx |
1800 | 6.5 | 3.2 | 840 | 5.0 | [email protected] | 104 - 105 @815 - 1370 |
| Silicon Carbide (SiC) | 2200-2700 Decomposes |
1400-1700 Oxidizes |
9 | 3.2 | 840 | 4.5 | [email protected] | 7420 -745 @1000 - 1500 |
| Silicon Nitride (Si3N4) | 1900 Sublimes |
1400 in air 1850 in inert |
9 | 3.18 | 1050 | α = 2.9 β = 2.3 |
[email protected] | 1013@25 1010@480 |
| Carbon Graphite (C) varies | 3600 Sublimes |
--- | 0.5 - 1.0 | 2.2 | 1600 | 2.2 | [email protected] [email protected] |
10-3 |
| Quartizite (Si02) |
1400 | 1090 | 7 | 2.65 | 1170 | 8.6 | [email protected] | 1014@20 5 x 103@1300 |
| Boron Carbide (B4C) |
2350 | 540 in air 2260 in inert |
9.3 | 2.5 | 2090 | 5.7 | [email protected] | --- |
| Baron Nitride (BN) |
2721 | 650 Oxidizes |
2 | 2.1 | 1570 |
7.5 // |
[email protected] | 1.7 x 1013@25// 2.3 x 1010@480// |
| TitaniumCarbide (TiC) |
3140 | 1500 Oxidizes |
9 - 10 | 6.5 | 1050 | 6.9 | [email protected] | --- |
| TungstenCarbide | 2780 | --- | 9 - 10 | 14.3 | 300 | 6.3 | [email protected] | --- |
