Effect of Processing Parameters on the Relative Density of AlSi10Mg Processed by Laser Powder Bed Fusion
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In order for a material processed by laser powder bed fusion (LPBF) to achieve the desired mechanical properties, the relative density of the material should be as high as possible. In this study, the effect of various processing parameters of a LPBF process have been investigated in order to increase the relative density of processed AlSi10Mg. The results show that pre-heating the powder and increasing the substrate temperature increases both the relative density and build rate. In addition, a novel method to select the processing parameters, based on the laser penetration depth, has been proposed.