About this Abstract |
Meeting |
2024 TMS Annual Meeting & Exhibition
|
Symposium
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Additive Manufacturing: Materials Design and Alloy Development VI – Closed-Loop Alloy Design
|
Presentation Title |
Process Windows of Inconel 625 Fabricated by Direct Energy Deposition-based Lasermeister System |
Author(s) |
Yusufu Ekubaru, Kei Sekiguchi |
On-Site Speaker (Planned) |
Yusufu Ekubaru |
Abstract Scope |
Direct energy deposition (DED) is a branch of additive manufacturing (AM), and it has several unique features that can not accomplish other AM processes such as alloy design, repair, cladding, and large-scale fabricating. Therefore, DED increases the attention both from industry and academia as evidenced by the remarkable growth of the number of patents and scientific publications. We have developed a DED-based Lasermeister system, and we established a process window of Inconel 625 on this machine. Dozens of Inconel 625 samples were produced under a variety of process parameters, and their microstructure and mechanical properties were investigated systematically. As a result, the microstructure features correlated with mechanical properties, and the maximum yield stress 669±12 MPa was obtained, which was approximately two times higher than that of the casting alloy. Further, we successfully repaired the defective industrial parts by using this process window. These results demonstrated that this machine is suitable for use both in academics and industries. |
Proceedings Inclusion? |
Planned: |
Keywords |
Additive Manufacturing, Copper / Nickel / Cobalt, Process Technology |