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/m^3)	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