Table 1 Thermal physical properties of the selected materials at considered temperature.
From: Thermal damage of tungsten-armored plasma-facing components under high heat flux loads
Material | Temperature (°C) | Thermal conductivity (W·m−1·K−1) | Coefficient of thermal expansion (10−6 K−1) | Young’s modulus (GPa) | Poisson’s ratio | Yield strength (MPa) | Tangent modulus (GPa) |
|---|---|---|---|---|---|---|---|
W | 20 | 173 | 4.5 | 398 | 0.28 | 1360 | 1.3 |
200 | 156 | — | 396 | — | 1154 | — | |
500 | 133 | 4.7 | 390 | — | 854 | 1 | |
800 | 118 | — | 379 | 0.29 | 604 | — | |
1000 | 111 | 5.1 | 368 | — | 465 | 0.8 | |
1500 | 101 | 5.6 | 333 | 0.30 | 204 | — | |
1800 | 99 | 5.8 | 306 | — | 103 | — | |
OFHC-Cu | 20 | 403 | 16.7 | 125 | 0.34 | 69 | 1.5 |
200 | 392 | 17.2 | 115 | 60 | 1.3 | ||
400 | 379 | 17.8 | 100 | 48 | 0.9 | ||
700 | 360 | 18.9 | 70 | 30 | 0.6 | ||
CuCrZr | 20 | 326 | 16.7 | 128 | 0.32 | 293 | 0.9 |
250 | 343 | 17.2 | 118 | 0.42 | 257 | 0.7 | |
500 | 348 | 18.2 | 103 | 0.52 | 195 | 0.6 |