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Laser-based directed energy deposition (DED-LB) of advanced materials [PDF]
Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2022 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 materials. These include metals, ceramics, and composites. Successful DED operation
Aleksandra Vyatskikh +2 more
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An Analytical Cost Model for Laser-Directed Energy Deposition (L-DED) [PDF]
, 2022 Laser-Directed Energy Deposition (L-DED) is an Additive Manufacturing process in which focused thermal energy is used to fuse powder feedstock. The scientific literature concerning L-DED and cost estimation is not as comprehensive as Laser-powder Bed Fusion (L-PBF). Indeed, a robust and reliable cost model (in terms of the number of materials, machines,
Marco Mandolini +3 more
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A Review on Using of Directed Energy Deposition (DED) in Manufacturing Processes [PDF]
, 2020 Direct Energy Deposition (DED) is one of the laser-based additive manufacturing methods for the production offunctional metallic parts. DED process, which started with the use of the renovation processes of aerospace parts, hasbeen offering direct part production in the last decades. Numbers of experimental and theoretical studies have been donefor the
Mohamed, Hussein +3 more
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Modeling analysis of grain morphologies in Directed energy deposition (DED) coating with different laser scanning patterns [PDF]
Materials Letters, 2019 Directed energy deposition (DED)is often utilized to coat metallic part with complex geometries in a variety of anti-corrosion materials or high-temperature materials.
, Masakazu Soshi
exaly +3 more sources
Development of an Interactive Digital Twin for Directed Energy Deposition (DED) Process
Volume 2: Manufacturing Processes; Manufacturing Systems, 2022Abstract Due to inherent drawbacks of metal 3D printing process such poor dimensional accuracy, surface quality, and various defects, a process monitoring system with an appropriate information visualization interface has been required. In the recent technological mega-trend, the 4th industrial revolution, the digital twin technology has
Inwoong Noh +5 more
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2023
Directed Energy Distribution (DED) process involves a continuous and subsequent deposition of layers, by means of a laser heat source that melts the feedstock material supplied in form of powders or wires. Laser power, pow- der flow rate, travel speed affect temperature gradient distribution and residual stresses in components.
Marco Vallone +4 more
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Directed Energy Distribution (DED) process involves a continuous and subsequent deposition of layers, by means of a laser heat source that melts the feedstock material supplied in form of powders or wires. Laser power, pow- der flow rate, travel speed affect temperature gradient distribution and residual stresses in components.
Marco Vallone +4 more
openaire +2 more sources
Elastic Properties of IN718 Fabricated via Laser Directed Energy Deposition (DED)
2021 48th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2021Abstract Additive manufacturing of nickel based super alloys such as IN718 is highly desirable since they have a wide range of applications in high performance structures. Compared to conventional methods, laser processing allows for near net shaping of complex geometries.
M. M. Rahman +3 more
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VIABILITY ANALISYS FOR LASER DIRECTED ENERGY DEPOSITION (L-DED) OF POWDER MATERIAL15CDV6
DYNA, 2023The aim of the present research work is the characterization of the 15CDV6 powder material for Laser Directed Energy Deposition (L DED) processes. The novelty of the work lays on the fact that this aeronautical steel has never been employed before in powder L DED process.
Aizpea Urresti Ubillos +5 more
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Optics & Laser Technology, 2016
Abstract Direct energy deposition is an additive manufacturing technique that involves the melting of metal powder with a high-powered laser beam and is used to build a variety of components. In laser-assisted metal deposition, the mechanical and metallurgical properties achieved are influenced by many factors.
Do-Sik Shim +5 more
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Abstract Direct energy deposition is an additive manufacturing technique that involves the melting of metal powder with a high-powered laser beam and is used to build a variety of components. In laser-assisted metal deposition, the mechanical and metallurgical properties achieved are influenced by many factors.
Do-Sik Shim +5 more
openaire +1 more source