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to Nitride ceramics
to Properties of ceramics
(submitted by the website administration)
| Aluminum Nitride ( AlN) | ||||
| Chemical composition: AlN | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 3.15 *10³ | kg/m³ | 196.6 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 320 | GPa | 46400 | ksi |
| Flexural strength | 280 | MPa | 40600 | psi |
| Fracture toughness | 3.3 | MPa*m½ | 3.3 | MPa*m½ |
| Hardness | 11000 | HV | 11000 | HV |
| Thermal expansion (20 ºC) | 5.0*10-6 | ºCˉ¹ | 2.8*10-6 | in/(in* ºF) |
| Thermal conductivity | 200 | W/(m*K) | 1387 | BTU*in/(hr*ft²*ºF) |
| Specific heat capacity | 730 | J/(kg*K) | 0.17 | BTU/(lb*ºF) |
| Max. working temperature | 1000 | ºC | 1830 | ºF |
