IN-SITU AND HIERARCHICAL INVESTIGATION OF ALLOYS AND COMPONENTS FOR ADDITIVE MANUFACTURING

Kurzfassung

In this work, different materials tailored for AM produced by different AM processes are characterized on AM relevant scales. Among the AM techniques, Laser Powder Bed Fusion (LPBF) stands out as it is used to produce near-net-shape metallic components with complex geometries and higher material efficiency, typically replacing multiple conventional components with savings in material, tooling and assembly costs. However, this technique is only applicable to single materials and has size limitations. Therefore, as a second route, we are also investigating the production of multi-material AM components with integrated multifunctionality and without size limitations by combining directed energy deposition (DED) and metal spraying technologies, using specially developed materials with incorporated nanotechnologies to enhance material properties. Since the mechanical properties and performance of final AM parts are inherited for the entire processing history and the material used, the relevant scales range from several centimeters down to the submicron range. Therefore, the aim of our study is to develop a correlative imaging approach that allows the linking of the relevant scales mentioned above in order to address the scientific challenges of AM. The beamlines ID16B and BM18 at the European Synchrotron Radiation Facility (ESRF) in Grenoble, France, make this approach possible.