Research Article
Thermo-Structural Behaviour Prediction of the Nose Cap of a Hypersonic Vehicle Based on Multifield Coupling
Table 3
Material properties of the nose cap.
| | ZrB2/SiC | C/SiC | Titanium alloy | Graphite |
| Density (kg/m3) | 6060 | 1870 | 4430 | 1730 | Specific heat (J/kg·K) | 520 (300 K) | 682 (300 K) | 526 | 720 | 850 (2200 K) | 1602 (2200 K) | Heat conductivity coefficient (W/m·K) | 79.87 (300 K) | 11.74 (273 K) | 6.7 | 90 | 85 (1473 K) | 17.2 (1673 K) | Young’s modulus (Gpa) | 506 | 45 | 114 | 10.4 | Tensile strength (Mpa) | 491 | 200 | 965 | 30 | Poisson ratio | 0.13 | 0.3 | 0.33 | 0.3 | Thermal expansion coefficient | | | | | Emissivity | 0.55 | 0.83 | 0.5 | 0.75 |
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