The Mechanical
Engineering Handbook




Thermal Properties of Ceramics

Material Thermal Conductivity (W/mK) Specific Heat Capacity (J/kgK) Melting Point (°C)
Alumina (Aluminum Oxide) 30 880 2072
Aluminum Nitride 200-285 320 2200
Boron Carbide 30 800 2450
Gallium Oxide 0.3-0.4 470 1700
Hafnia (Hafnium Dioxide) 2.0-3.0 900 2758
Magnesia (Magnesium Oxide) 60-70 1000 2852
Mullite 3-5 750 1840-1850
Silicon Carbide 120 750 2700
Silicon Nitride 29-35 710 1900
Zirconia (Zirconium Dioxide) 2.5-3 500 2715