mechanical properties Technology: general issues 73 microstructure 70 History of engineering & technology 61 additive manufacturing 33 hardness 26 nanocomposites 22 3D printing 21 finite element analysis 21 porosity 20 thermal conductivity 20 Research & information: general 19 fatigue 18 titanium 18 wear 18 heat treatment 17 tensile strength 17 composites 16 compressive strength 16 corrosion 16 numerical simulation 16 phase transformation 16 concrete 15 microstructures 15 nanocomposite 15 thermal properties 15 biomaterials 14 graphene oxide 14 magnesium 14 Ti-6Al-4V 13