Material Properties Gallium Arsenide admin May 20, 2016January 17, 2017 Material Properties for Gallium Arsenide Physical specifications of materials. Materials Gallium Arsenide Description Density g/cc 5.316 lb/in^3 0.192 Hardness Brinell unless specified 7500(Knoop) Tensile Strength ultimate Mpa 66 Ksi 9.57 Yield Strength MPa Ksi Modulus of Elasticity Gpa 85.5 10^6 Psi 12.391304328 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 50 Btu/ft-h-F 28.9017341 Specific Heat Cpacity J/g-K 0.325 Btu/lb-F 0.078 Coefficient of thermal expansion 1E-6/K 5.4 1E-6/F 3.0045112758 Electrical Resistivity Ohm-cm 10000000