Heat Transfer and Failure Mode Analyses of Ultrahigh-Temperature Ceramic Thermal Protection System of Hypersonic Vehicles

Table 1

Temperature-dependent material properties of the ZrB₂ ceramics.

Material properties	Values and expressions
𝑘 (W m^−1 ^∘C^−1)	60.225−0.01128𝑇+1.24456×10^−6𝑇^2
𝐶𝑝 (J kg^−1 K^−1)	210.75ln(𝑇)−746.28
𝜌 (g cm^−3)	6.119
𝛼 (10^−6 ^∘C^−1)	6.52+6.8114×10^−4𝑇
𝐸 (GPa)	Equation (28)
𝜈	0.15