| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
Additive Manufacturing of Large-scale Metallic Components
|
| Presentation Title |
Design, Modeling and Optimization of a Light Weight Impact Attenuator for Commercial Vehicles Using Wire Arc Additive/Subtractive Manufacturing (WAASM) Processing |
| Author(s) |
Mohamed Fawzy Aly Mohamed, Hanadi Salem, Islam Hamdy, Ahmed Elsokaty |
| On-Site Speaker (Planned) |
Mohamed Fawzy Aly Mohamed |
| Abstract Scope |
Wire arc additive/subtractive manufacturing (WAASM) is a novel and promising technique, which employs metallic wires and electrical arc to deposit metallic parts with medium-to-high geometrical complexity. Although, this method requires additional post-processing time to deal with lower resolution and relatively poor surface finish, it is advantageous due to the effective control of the residual stresses and structural anisotropy, and the lower cost and availability of metallic wires.
In the current research, design and manufacturing of a commercial light weight honey-comb shock absorption attenuator was carried out. Design optimization with variable built walls geometries was done with an objective of energy absorption maximization, weight and cost reduction, which were subject to structural integrity constraints such as strength, stiffness and buckling resistance. Impact simulation tests were run on ABAQUS and results are discussed to validate the chosen parameters. Quasi-static compression and structural integrity were used for characterization of the WAAM built structures. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Additive Manufacturing, Aluminum, Modeling and Simulation |