Material Properties Aluminum Oxide- 95% Alumina admin May 20, 2016January 17, 2017 Material Properties for Aluminum Oxide- 95% Alumina Physical specifications of materials. Materials Aluminum Oxide- Description 95% Alumina Density g/cc 3.68 lb/in^3 0.1325 Hardness Brinell unless specified 1720(Vickers) Tensile Strength ultimate Mpa 205 Ksi 29.725 Yield Strength MPa Ksi Modulus of Elasticity Gpa 282 10^6 Psi 40.869565152 Poisson’s Ratio %Elongation at break %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 3.6 Ksi(in)^0.5 3.24 Thermal conductivity W/m-K 20 Btu/ft-h-F 11.56069364 Specific Heat Cpacity J/g-K 0.439 Btu/lb-F 0.10536 Coefficient of thermal expansion 1E-6/K 6.2 1E-6/F 3.4496240574 Electrical Resistivity Ohm-cm 10000000000000000