Metals, 2022 The energy used to melt the material at each layer during laser-directed energy deposition (L-DED) accumulates in the solidified layers upon layer deposition and leads to an increase in the temperature of the part with an increasing number of layers ...
Christian Hagenlocher +5 more
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Improvement of Directed Energy Deposition (DED) material addition rate via fluence-based parameter scaling method [PDF]
, 2022 Directed Energy Deposition (DED) is a metal additive manufacturing process where feedstock (metal powder in this study) is delivered to a meltpool on the surface of a metallic part simultaneously with an energy source (a laser in this study) that causes ...
Soshi, Masakazu +3 more
core +1 more source
Preventing Evaporation Products for High-Quality Metal Film in Directed Energy Deposition: A Review
Metals, 2021 Directed energy deposition (DED), a type of additive manufacturing (AM) is a process that enables high-speed deposition using laser technology. The application of DED extends not only to 3D printing, but also to the 2D surface modification by direct ...
Kang-Hyung Kim +3 more
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In-process spectroscopic detection of chromium loss during Directed Energy Deposition of alloy 718
Materials & Design, 2020 In this work, a fast optical spectrometer was used to monitor the Directed Energy Deposition (DED) process, during the deposition of Alloy 718 samples with different laser power, thus different energy inputs into the material.
Agnieszka Kisielewicz +5 more
doaj +1 more source
Materials & Design, 2020 In this study, the hot plastic deformation behavior and dynamic recrystallization (DRX) phenomenon of Inconel 625 superalloy prepared by directed energy deposition (DED) are investigated by carrying out hot compression tests.
Y.L. Hu +7 more
doaj +1 more source
Ti6Al4V Thin Walls Production using Laser Directed Energy Deposition (L-DED) Process
International Journal of Engineering Materials and Manufacture, 2021 One of the main applications of Directed Energy Deposition (DED) is the production of thin-wall structures, where it has significant advantages over traditional milling and machining techniques, or even welded analogues.
German Barragan +2 more
doaj +1 more source
A Study of Different Deposition Strategies in Direct Energy Deposition (DED) Processes
Procedia Manufacturing, 2020 Abstract The stepover of adjacent deposition lines (or beads), when stacking layers to build a 3D-solid shape, is found to be of great importance to minimize voidage and so, improving density of parts produced by the Directed Energy Deposition (DED) process.
Kandice S.B. Ribeiro +2 more
openaire +1 more source
Deposition strategies for generating cuboid volumes using extreme high-speed directed energy deposition [PDF]
, 2022 Extreme high-speed directed energy deposition (EHLA) is a variant of directed energy deposition (DED-LB) developed at Fraunhofer ILT in cooperation with RWTH Aachen University.
Jonathan Schaible +7 more
core +1 more source
Effects of the Deposited Area on the Thermo-Mechanical Characteristics for the Case of Deposition of Inconel 718 Powder on AISI 1045 Substrate Using the DED Process [PDF]
한국정밀공학회지, 2022 Metal additive manufacturing processes such as directed energy deposition process (DED), can be used to manufacture high value metal parts, with improved mechanical properties and efficiency.
Alissultan Aliyev +2 more
doaj +1 more source