| About this Abstract |
| Meeting |
2024 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2024)
|
| Symposium
|
2024 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2024)
|
| Presentation Title |
Improve Frames´ Crash-Worthiness with AlSi10Mg Reinforcement Structures by DED-LB/P |
| Author(s) |
Francesco Bruzzo, Matteo Alberghini, Andrea Bertinetti, Alessio Tommasi, Mirko Riede, Daniele Pullini, Elena López |
| On-Site Speaker (Planned) |
Francesco Bruzzo |
| Abstract Scope |
DED technologies can be easily integrated in manufacturing chains with conventional technologies. This characteristic can be exploited by designing topology optimized reinforcement onto pre-existing frames to improve their crash-worthiness while keeping the part lightweight. This study focuses on DED-LB/P optimization to manufacture AlSi10Mg reinforcement structures on thin aluminium substrates while preventing excessive thermal deformation. The reinforcement provided to a 1.5 mm thick substrate by a single wall of deposited material, with cross section of 2 x 2.5 mm, was evaluated by 3 points bending tests. With the reinforcement on the tensile side of the stresses, the energy absorbed increased by 2.4%, while with the reinforcement on the compression side of the stresses the increase was 75.8%. Numerical simulations are then calibrated on those results and later used to de-sign topology optimized reinforcements on complex subcomponents to tailor their mechanical behaviour and maximize energy absorption during deformation. |
| Proceedings Inclusion? |
Definite: Post-meeting proceedings |