Description
Magnesium alloys play an essential role in metallic lightweight construction for modern mobility applications due to their low density, excellent specific strength and very good castability. For some years now, degradable implants have also been made from magnesium alloys, which, thanks to this special functionality, save patients a second surgery for explantation. The new additive manufacturing processes, which are divided into powder-based and wire-based processes, according to the shape of the feedstock used, are also relevant for these applications. Therefore, magnesium alloys should also be used here, but this is hardly ever done, and few literature reports exist on this subject. This is attributable to the high affinity of magnesium to oxygen, which makes the use of powders difficult. Therefore, magnesium wires are likely to be used. In this paper, a magnesium-based nanocomposite wire is made from an AM60 reinforced with 1 wt% AlN nanoparticles and containing calcium to reduce flammability, using a high-shear process and then extruded into wires. These wires are then used to build up walls in wire arc directed energy deposition, and their mechanical properties and microstructure are examined. It is shown that although the ductility is reduced by adding calcium and nanoparticles, the yield strength in the welding direction and perpendicular to it is increased to 131 MPa.| Period | 27 Sept 2024 |
|---|---|
| Event title | 13. Ranshofener Leichtmetalltage 2024: Light Metals Innovations for Environmental and Economic Sustainability |
| Event type | Conference |
| Location | Saalfelden, AustriaShow on map |
| Degree of Recognition | International |
Research Field
- Wire-Based Additive Manufacturing