aluminum alloys mechanical properties 6 microstructure 6 Technology: general issues 5 additive manufacturing 5 Inconel 718 4 composite materials 4 finite element analysis 4 laser powder bed fusion 4 porosity 4 rapid solidification 4 selective laser melting 4 3D printing 3 History of engineering & technology 3 Ti-6Al-4V 3 aluminum 3 anisotropy 3 concrete 3 design 3 fatigue 3 finite element simulation 3 grain refinement 3 mechanical property 3 microstructures 3 numerical analysis 3 powder bed fusion 3 properties 3 residual stress 3 selective laser melting (SLM) 3 simulation 3