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Thin wall deposition of IN625 using directed energy deposition
Journal of Manufacturing Processes, 2020Abstract Laser powder-blown directed energy deposition (DED) is widely used for small feature deposition ability and geometrical accuracy. The effects of process parameters, control, and toolpath strategies on geometry of the final product and mechanical properties have been investigated in many different parent geometries, however, deposition on an ...
Myong Joon Kim, Christopher Saldana
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Directed Energy Deposition Moves Outside the Box
AM&P Technical Articles, 2022Abstract Metal additive manufacturing has steadily progressed over the past decade, with today’s directed energy deposition processes enabling rapid builds of large structures in near-net shape—and with minimal machining required to achieve final dimensions.
Judy Schneider, Paul Gradl
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Directed-Energy Deposition Processes
2020Abstract This article presents a detailed account of directed-energy deposition (DED) processes that are used for additive manufacturing (AM) of metallic materials. It begins with a process overview and a description of the components of DED systems followed by sections providing information on the process involved in DED and the ...
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Cooling Process for Directional Solidification in Directed Energy Deposition
Volume 1: Additive Manufacturing; Bio and Sustainable Manufacturing, 2018Additive manufacturing (AM) for metals has attracted attention from industry because of its great potential to enhance production efficiency and reduce production costs. Directed energy deposition (DED) is a metal AM process suitable to produce large-scale freeform metal products.
Keiya Ishiyama +4 more
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Modeling of Laser Directed Energy Deposition
2021Laser directed energy deposition is a promising additive manufacturing technique that has a huge potential in remanufacturing and restoration of high-value aerospace components. For sustainable repair, it is necessary to control the output parameters, such as deposition geometry and integrity in terms of residual stresses, dilution, defects, and ...
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Reuse of powder feedstock for directed energy deposition
Powder Technology, 2018Abstract The deposition efficiency of metal based additive manufacturing processes, particularly with directed energy deposition (DED) equipment which requires powder feedstock, is ...
Katherine L. Terrassa +3 more
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Directed Energy Deposition of AA7075
2020Directed energy deposition (DED) is an additive manufacturing technique which is commonly used to produce high dimension components, made from steels, titanium, aluminum and nickel alloys, in a short period of time. In addition, there is an increasing demand for producing high strength components using DED.
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