thermoplastic polyurethane Technology: general issues 4 mechanical properties 3 optimization 3 3D printing 2 additive manufacturing 2 composites 2 hardness 2 material jetting 2 microstructure 2 nanocomposites 2 poly(lactic acid) 2 polymers 2 quality 2 selective laser sintering 2 surface roughness 2 3D filament 1 3D printing filament 1 3D scanning 1 3D surface roughness parameters 1 CFRP 1 EDM 1 Fused Filament Fabrication 1 History of engineering & technology 1 IR thermography 1 Ls Dyna 1 Materials science 1 Monomethacryloxy POSS 1 NIR light responsive 1 OLEDs 1