Material Properties Aluminum Oxide- 85% Alumina admin May 20, 2016January 17, 2017 Material Properties for Aluminum Oxide- 85% Alumina Physical specifications of materials. Materials Aluminum Oxide- Description 85% Alumina Density g/cc 3.465 lb/in^3 0.1255 Hardness Brinell unless specified 1450(Vickers) Tensile Strength ultimate Mpa 137 Ksi 19.865 Yield Strength MPa Ksi Modulus of Elasticity Gpa 228 10^6 Psi 33.043478208 Poisson’s Ratio %Elongation at break %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 15 Btu/ft-h-F 8.67052023 Specific Heat Cpacity J/g-K 0.419 Btu/lb-F 0.10056 Coefficient of thermal expansion 1E-6/K 5.57 1E-6/F 3.09909774189 Electrical Resistivity Ohm-cm 100000000000000