Layered surface structure of gas-atomized high Nb-containing TiAl powder and its impact on laser energy absorption for selective laser melting

316L Stainless Steel Manufactured by Selective Laser Melting and Its Biocompatibility with or without Hydroxyapatite Coating

“…Figure 5a shows the impact of the laser power on the relative density of the SL Med samples. It is noted that the maximum density was achieved at a laser power of 230 W. The laser energy density (total energy input per volume of each track), E (J/mm 3 ), can be calculated by [17]:…”

“…Customized implants, with geometry deriving from their own magnetic resonance imaging (MRI) data, are urgently needed [16]. SLM, which is a powder-bed-based additive manufacturing technology, can be used to selectively melt metal powders layer by layer through a highly focused and computer-controlled laser beam [17,18]. It has been used to successfully prepare many kinds of metallic biomaterials, such as stainless steel, alloys of titanium, magnesium, and medical noble metals, and compared with some of the more traditional approaches, it provides superior mechanical properties and a relatively simpler manufacturing process [19,20].In retrospect, some studies around SLM-processed 316L stainless steel with different laser parameters and lattice structure designs have been undertaken [21][22][23].…”

A semi-analytical solution of 3-D transient temperature field for a uniform plate subjected to Gaussian-distribution laser heat source

“…There were some problems in the practical application of laser assisted processing. For instance, determining the optimal process parameters of the laser [7][8][9], the interaction mechanism of the laser and the material (such as the absorptivity of the material to the laser [10][11][12], the penetration ability of the laser to the material [13,14], and the phase change of the laser to the material influences [15][16][17][18], etc.). Therefore, a large number of experimental studies were conducted.…”

Ultra-low cost Ti powder for selective laser melting additive manufacturing and superior mechanical properties associated

“…Additive manufacturing (AM), or 3D printing, has demonstrated its potent processing capability to realize near net shaping and/or customization particularly for parts of complex geometry, and therefore is becoming increasingly important 4,5 . Among the various AM approaches, selective laser melting (SLM) is one of the mostly investigated for exploring the opportunities for materials Ti and Ti alloys [6][7][8][9][10] in particular.…”