Chen, Y;
Clark, S;
Leung, ACL;
Sinclair, L;
Marussi, S;
Atwood, R;
Connoley, T;
... Lee, PD; + view all
(2020)
Melt pool morphology in directed energy deposition additive manufacturing process.
In:
MCWASP XV: International Conference on Modelling of Casting, Welding and Advanced Solidification Processes.
IOP Publishing: Jönköping, Sweden.
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Abstract
Directed Energy Deposition Additive Manufacturing (DED-AM) is one of the principal AM techniques being explored for both the repair of high value components in the aerospace industry as well as freeform fabrication of large metallic components. However, the lack of fundamental understanding of the underlying process-structure-property relationships hinders the utilisation of DED-AM for the production or repair of safety-critical components. This study uses in situ and operando synchrotron X-ray imaging to provide an improved fundamental understanding of laser-matter interactions and their influence on the melt pool geometry. Coupled with process modelling, these unique observations illustrate how process parameters can influence the DED-AM melt pool geometry. The calibrated simulation can be used for guidance in an industrial additive manufacturing process for microstructure and quality control.
| Type: | Proceedings paper |
|---|---|
| Title: | Melt pool morphology in directed energy deposition additive manufacturing process |
| Event: | MCWASP XV: International Conference on Modelling of Casting, Welding and Advanced Solidification Processes |
| Location: | Jönköping, Sweden |
| Dates: | 22 June 2020 - 23 June 2020 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1088/1757-899x/861/1/012012 |
| Publisher version: | https://doi.org/10.1088/1757-899X/861/1/012012 |
| Language: | English |
| Additional information: | Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence (http://creativecommons.org/licenses/by/3.0). Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10103654 |
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