Analysis of the Porous Structures from Laser Powder Bed Fusion Additive Manufacturing

Open and closed porous structures with lattice honeycomb geometry can be built using laser powder bed fusion additive manufacturing processes. The used to tailor the mechanical properties of a component or provide other functionality, such as for bone ingrowth in medical implants. Porous were created analysed this paper both physically finite element modelling. It was found that accuracy parts reasonable within processes general tolerance +/- 50 μm. However, it noticeable corners square shape pores naturally filleted by process. model developed ANSYS software, stress concentrations observed under loading. In addition this, fragments material present on internal surfaces pores, which formed from partially melted particles.