Fig. 2 Schematic of laser powder-bed fusion, also known as selective laser melting. Reprinted from Ref 11 with permission from Wiley More

Fig. 12 Coarsening of grain size in a ferritic stainless steel by laser melting More

Fig. 4 Example of Al 2 O 3 part made using selective laser melting (SLM) process. Source: Ref 64 More

Fig. 10 Balling effect in selective laser melting (SLM) processing of ceramic powder. Source: Ref 16 More

Fig. 4 Microstructures of tungsten powders processed by selective laser melting. (a) Top view along laser scan. (b) Side view perpendicular to laser scan. Source: Ref 11 More

Fig. 16 Heat map and energy density per layer in a direct metal laser melting process visualized using an in-process monitoring system. Courtesy of Baker Hughes More

Fig. 3 (a) Solid model of the designed stent prototype for selective laser melting. (b) Highlighted zones correspond to surfaces with an angle of ˂<45° for the layer plane ( xy ). (c) Hatching strategy and (d) concentric scanning strategies shown with black and red lines, respectively More

Fig. 5 (a) Representative structure of selective-laser-melting-processed Inconel 718 with retained melt pool segregation. Source: Ref 12 . (b) Representative structure of electron-beam-melting-processed Inconel 718 with columnar grains aligned with the build direction. Source: Ref 13 More

Fig. 15 Cross section of laser-melted cast iron surfaces. (a) Gray iron. (b) Ductile iron. Source: Ref 13 More

Fig. 16 Erosive wear behavior of as-received and laser-melted gray and ductile irons. Source: Ref 22 More

Fig. 6 Tool life of conventionally heat-treated and laser-melted tool bits. (a) M2 tool steel. (b) M35 tool steel. Source: Ref 18 More

Fig. 8 View of laser-melted surface and temperature profiles experienced at different points on the surface during laser melting. Liquidus ( T L ), solidus ( T S ), and solid-state transformation ( T R ) temperatures are indicated. More

Fig. 3 Selective laser melt (SLM) process scanning strategy: (a) zigzag and (b) island. Source: ( Ref 63 ) More

Fig. 5 Three-dimensional-printed selective-laser-melted tungsten preclinical x-ray system collimator. Courtesy of M&I Materials More

Fig. 13 Microstructure of selective-laser-melted WC-12%Co cemented carbide. Source: Ref 25 More

Fig. 3 Samples of Towe Norlen’s laser-melted bracelets. The intertwined links are built together. Source: Ref 24 More

Fig. 6 Comparison of the surfaces of laser-melted cobalt-chromium and a copper alloy build. Source: Ref 30. Reprinted by permission from The Santa Fe Symposium on Jewelry Manufacturing Technology More

Fig. 3 Defects in selective-laser-melted (SLM) materials. (a) Porosity formed in SLM Ti-6Al-4V. (b) Balling. (c) Hot tears. Source: Ref 26 More

Fig. 20 Fracture surfaces of tensile tests from as-built selective-laser-melted Ti-6Al-4V specimens. (a) Cup-and-cone. (b) Dimples. (c) and (d) Quasi-cleavage facets. Source: Ref 26 , 42 More

Fig. 11 Stress/number of cycles plot comparing wrought and selective-laser-melted (SLM) specimens prepared at different build directions. 0° refers to the crack-growth direction being parallel to the build direction; 90° refers to the crack-growth direction being perpendicular to the build More