Thermal Conductivity di Materials
Comprehensive Guide
Compare MaterialsMaterial selection per thermal management requires comprendere conductivity values. Da heat sinks un insulation, choosing il right material depends on whether you want un conduct o block heat.
Materials da Application
| Application | Material | k (W/m·K) |
|---|---|---|
| Heat sinks | Copper/Aluminum | 205-400 |
| Cookware | Copper, Cast iron | 50-400 |
| Thermal interface | Thermal paste | 1-10 |
| Electronics PCB | FR-4 | 0.3 |
| Building walls | Concrete | 1.0-1.8 |
| Insulation | Polyurethane foam | 0.02-0.03 |
Conclusione
Material thermal conductivity spans five orders di magnitude—da diamond at 1000+ W/m·K un aerogel at 0.01. Engineers balance conductivity con cost, weight, e other properties. Copper excels per heat transfer; foams excel per insulation; ceramics bridge both worlds per specialized applications.