About this Abstract |
Meeting |
2022 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2022)
|
Symposium
|
2022 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2022)
|
Presentation Title |
An Overview of Key Results in Wire-based DED in the WAAMMat Programme |
Author(s) |
Filomeno Martina, Stewart Williams, J Ding, W Suder, Alec E. Davis, Philip Prangnell |
On-Site Speaker (Planned) |
Filomeno Martina |
Abstract Scope |
The talk will cover some of the key aspects of the work on large-scale metal AM carried out at Cranfield University (within the WAAMMat programme) and WAAM3D. Firstly in-process cold-work via rolling and machine hammer peening, which has an instrumental role in achieving forged-like microstructure in alloys of titanium, iron and nickel; as well as its effect on residual stress and mechanical properties. Secondly, a new Wire Arc Additive Manufacturing variant based on multiple wire feeds, which has enabled deposition rates of 15kg/h whilst resulting in improved microstructures thanks to better control of the thermal field. Finally, future research directions, featuring the new multi-energy source concept using both of arc and laser sources to achieve even higher deposition rates without compromising accuracy and structural integrity. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |