Acta Metallurgica Sinica (English Letters) ›› 2018, Vol. 31 ›› Issue (5): 515-522.DOI: 10.1007/s40195-018-0721-9
• Orginal Article • Previous Articles Next Articles
Shu-Ming Wang1(), Jiang-Shan Li1, Yan-Xin Wang1, Xiao-Fang Zhang1, Qing Ye1
Received:
2018-02-07
Revised:
2018-03-08
Online:
2018-05-20
Published:
2018-05-02
Shu-Ming Wang, Jiang-Shan Li, Yan-Xin Wang, Xiao-Fang Zhang, Qing Ye. Thermal Shock Behavior Analysis of Tungsten-Armored Plasma-Facing Components for Future Fusion Reactor[J]. Acta Metallurgica Sinica (English Letters), 2018, 31(5): 515-522.
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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 | 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 |
Table 1 Thermal-physical properties of the considered materials at selected temperatures
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 | 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 |
Reference positions | High heat flux (MW/m2) | |||
---|---|---|---|---|
5 | 10 | 15 | 20 | |
1 | 0.2942/8285 | 0.9429/1191 | 1.4649/571 | 2.0078/336 |
2 | 0.2944/8273 | 0.9640/1158 | 1.4991/548 | 2.0055/325 |
Table 2 Equivalent plastic strain in an HHF load cycle and the predicted fatigue lifetime at positions 1 and 2
Reference positions | High heat flux (MW/m2) | |||
---|---|---|---|---|
5 | 10 | 15 | 20 | |
1 | 0.2942/8285 | 0.9429/1191 | 1.4649/571 | 2.0078/336 |
2 | 0.2944/8273 | 0.9640/1158 | 1.4991/548 | 2.0055/325 |
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