Alessandro Fortunato

TL;DR: In this paper, microstructure, defect formation and mechanical properties of AISI 316L components are investigated according to the process parameters used for their fabrication, and a first experimental campaign establishes process parameters guaranteeing a density greater than 98% Samples for microstructural and mechanical characterization are then produced based on these results, varying laser power from 100 W to 150 W, hatch space from 005 mm to 007 mm and orientation from 45° to 90°.

TL;DR: In this paper, the stability condition of a hybrid laser CO 2 -GMAW welding process was investigated by analyzing the influence of several process parameters, such as the filler metal transfer mode on the stability of the whole process.

TL;DR: In this paper, a correlation between LED value and density, surface quality, micro-structural features and hardness of SLM parts was defined, and the final goal was to identify, for the biomedical Co-28Cr-6Mo alloy, the optimal LED window to be considered in order to maximize the overall quality of the parts.

TL;DR: In this paper, a study of Cobalt-Chromium-Molybdenum endoprosthetic ankle implant fabrication by means of SLM is presented, including process characterization and kinematic considerations.

TL;DR: In this paper, a wide study on the hybrid CO2 LASER-MIG welding and investigates the influence of the shielding gas both on the stability of the process and on the dimensional characteristics of the weld bead.