Laser-based directed energy deposition (DED-LB) of advanced materials

D Svetlizky, B Zheng, A Vyatskikh, M Das… - Materials Science and …, 2022 - Elsevier
Directed energy deposition (DED) has matured into an essential additive manufacturing
(AM) branch. DED has been broadly implemented in the design and fabrication of novel …

[HTML][HTML] Electron and laser-based additive manufacturing of Ni-based superalloys: a review of heterogeneities in microstructure and mechanical properties

NK Adomako, N Haghdadi, S Primig - Materials & Design, 2022 - Elsevier
The adaptation of additive manufacturing (AM) for Ni-based superalloys has gained
significance in aerospace and power-generation industries due to the ability to fabricate …

Directed energy deposition of Inconel 718 powder, cold and hot wire using a six-beam direct diode laser set-up

M Bambach, I Sizova, F Kies, C Haase - Additive Manufacturing, 2021 - Elsevier
This study puts forward a new set-up for directed energy deposition (DED) with a six-beam
direct diode laser head. The set-up implements three process variants, ie cold and hot wire …

Synchrotron X-ray imaging of directed energy deposition additive manufacturing of titanium alloy Ti-6242

Y Chen, SJ Clark, L Sinclair, CLA Leung, S Marussi… - Additive …, 2021 - Elsevier
Abstract Directed Energy Deposition Additive Manufacturing (DED-AM) is transformative for
the production of larger, geometrically complex metallic components. However, the …

[HTML][HTML] Hardness variation in inconel 718 produced by laser directed energy deposition

L Chechik, KA Christofidou, JFS Markanday… - Materialia, 2022 - Elsevier
Directed energy deposition (DED) of Inconel 718 is of critical importance for the repair of
aerospace components, which have tight tolerances for certification, particularly on …

In situ X-ray quantification of melt pool behaviour during directed energy deposition additive manufacturing of stainless steel

Y Chen, SJ Clark, Y Huang, L Sinclair, CLA Leung… - Materials Letters, 2021 - Elsevier
Abstract The Directed Energy Deposition Additive Manufacturing (DED-AM) of SS316L was
studied using in situ and operando synchrotron X-ray imaging to quantitively understand the …

[HTML][HTML] Wire-arc directed energy deposition of Inconel 718: Effects of heat input and build interruptions on mechanical performance

RM Kindermann, MJ Roy, R Morana, JA Francis… - Additive …, 2023 - Elsevier
Directed energy deposition via electric arc (DED-Arc) and wire-feed system can offer a low-
cost, high deposition rate method to produce large-scale, near-net-shape structural …

[HTML][HTML] Non-equilibrium solidification behavior associated with powder characteristics during electron beam additive manufacturing

Y Zhao, H Bian, H Wang, A Kenta, Y Kenta, A Chiba - Materials & Design, 2022 - Elsevier
For components built by powder bed fusion with electron beam (PBF-EB), the resulting
microstructure arising from non-equilibrium solidification, microsegregation and the …

[HTML][HTML] Microstructure evolution and mechanical response-based shortening of thermal post-treatment for electron beam melting (EBM) produced Alloy 718

S Goel, E Zaninelli, T Gundgire, M Ahlfors, O Ojo… - Materials Science and …, 2021 - Elsevier
Electron beam melting (EBM) produced Alloy 718 was subjected to thermal post-treatment
involving hot isostatic pressing (HIPing) and heat treatment (HT). Subjecting the material to …

Non-equilibrium solidification behavior with solute trapping associated with powder characteristics during electron beam additive manufacturing

Y Zhao, H Bian, H Wang, K Aoyagi, Y Cui… - Available at SSRN …, 2021 - papers.ssrn.com
For components built by powder bed fusion with electron beam (PBF-EB), the resulting
microstructure arising from non-equilibrium solidification–microsegregation and the …