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320 Appendix E Thermal Properties of Selected Spacecraft Materials

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Thermal Specific Thermal Density conduct. heat expansion Material (kg/m3) W/(mK) J/(kgK) (10"6/K)

at 200 K at 100 K Nichrome (80% Ni, 20% Cr) at 800 K at 600 K at 400 K Inconel X-750 at 1500 K at 1000 K at 600 K at 400 K Invar 36, annealed Tantalum at 2500 K at 1500 K at 1000 K at 600 K Tungsten at 600 K at 1000 K at 1500 K at 2500 K Boron fiber epoxy, 30% vol. at 400 K parallel perpendicular at 300 K parallel perpendicular at 200 K parallel perpendicular at 100 K parallel perpendicular Graphite fiber epoxy, 25% vol. at 400 K parallel perpendicular at 300 K parallel perpendicular

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