About this Abstract |
Meeting |
2nd International Conference on Technological Innovations in Metals Engineering (TIME)
|
Symposium
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Technological Innovations in Metals Engineering (TIME)
|
Presentation Title |
Microstructural Comparison of SEBM - Printed and Cast Al0.5CrMoNbTa0.5 Alloy |
Author(s) |
Eyal Eshed, Alexander Katz-Demyanetz, Igor Gorbachev , Vladimir V. Popov, Andrey Koptyug, Vladimir Popov, Menachem Bamberger |
On-Site Speaker (Planned) |
Eyal Eshed |
Abstract Scope |
Implementation of HEAs is complicated because of necessity to use vacuum arc melting. The alternative trials to synthesize refractory HEAs is AM routes (EBM/SLM), at which pre-alloyed powders made by powder metallurgy route are used as raw material. The current work reports on synthesizing Al0.5CrMoNbTa0.5 alloy by SEBM from elemental powders blend and comparison of the obtained material’s chemical composition and microstructure with those of the cast one as well with the CALPHAD made simulation. Samples characterization was done by SEM/EPMA, XRD and TEM. Though no completely homogeneous microstructure was achieved both throughout SEBM and casting, the as-printed material was composed of the zones with two multi-component solid solutions, confirming in situ alloying. The main conclusion is that the production of Al0.5CrMoNbTa0.5 alloy from elemental powders blend using SEBM technique is achievable and principally comparable with the cast material. The CALPHAD simulation is partially useful for the phase formation prediction in the studied alloy. |
Proceedings Inclusion? |
Undecided |