Tensile Properties of Built and Rebuilt/Repaired Specimens of 316L Stainless Steel Using Directed Energy Deposition
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-020-05087-z
Abstract: One of the most exciting possibilities brought forward by some additive manufacturing (AM) processes is their ability to deposit materials on existing parts. Mainly achievable with directed energy deposition systems, it is thus possible to… read more here.
Keywords: directed energy; energy deposition; stainless steel; tensile ... See more keywords
Machine Learning-Enabled Competitive Grain Growth Behavior Study in Directed Energy Deposition Fabricated Ti6Al4V
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DOI: 10.1007/s11837-019-03917-7
Abstract: Directed energy deposition (DED) of titanium alloys is a rapidly developing technology because of its flexibility in freeform fabrication and remanufacturing. However, the uncertainties of a solidification microstructure during the deposition process are limiting its… read more here.
Keywords: directed energy; deposition; energy deposition; competitive grain ... See more keywords
Partitioning of laser energy during directed energy deposition
Sign Up to like & getrecommendations! Published in 2017 at "Additive manufacturing"
DOI: 10.1016/j.addma.2017.08.012
Abstract: Abstract An energy balance that describes the transfer of energy is proposed for the laser-based directed energy deposition process. The partitioning of laser energy was experimentally measured and accurately validated using a special process calorimeter… read more here.
Keywords: directed energy; laser energy; laser; energy ... See more keywords
Multi-sensor investigations of optical emissions and their relations to directed energy deposition processes and quality
Sign Up to like & getrecommendations! Published in 2018 at "Additive manufacturing"
DOI: 10.1016/j.addma.2018.03.017
Abstract: Abstract Optical Emissions Spectroscopy and plume imaging were utilized to investigate flaws generated during directed energy deposition additive manufacturing. Ti-6Al–4 V coupons were built using varying laser power, powder flow rate, and hatching pattern to induce… read more here.
Keywords: directed energy; optical emissions; energy deposition; flaw ... See more keywords
First Demonstration of Additive Manufacturing of Cutting Tools using Directed Energy Deposition System: Stellite™-Based Cutting Tools
Sign Up to like & getrecommendations! Published in 2019 at "Additive Manufacturing"
DOI: 10.1016/j.addma.2018.11.019
Abstract: Abstract Machine-tool concepts are becoming increasingly complex to meet the demanding requirements of advanced applications. This raises per-tool costs for manufacturers and end users, motivating the development of novel, innovative fabrication methods for these tools.… read more here.
Keywords: cutting tools; directed energy; energy deposition; additive manufacturing ... See more keywords
A novel strategy to fabricate thin 316L stainless steel rods by continuous directed energy deposition in Z direction
Sign Up to like & getrecommendations! Published in 2019 at "Additive Manufacturing"
DOI: 10.1016/j.addma.2019.03.024
Abstract: Abstract Thin 316L stainless steel rods were fabricated by continuous directed energy deposition in Z direction. The process parameters (laser power, scan velocity, and powder feeding rate) were carefully selected to obtain a stable deposition… read more here.
Keywords: directed energy; 316l stainless; energy deposition; thin 316l ... See more keywords
The role of Directed Energy Deposition atmosphere mode on the microstructure and mechanical properties of 316L samples
Sign Up to like & getrecommendations! Published in 2020 at "Additive manufacturing"
DOI: 10.1016/j.addma.2020.101274
Abstract: Abstract Laser-Directed Energy Deposition was used to produce AISI 316L stainless steel samples. The effect of the protective atmosphere on the microstructure and mechanical performance of AISI 316L deposited parts was investigated by building samples… read more here.
Keywords: directed energy; energy deposition; microstructure mechanical;
Microstructure and anodic electrochemical behavior of additive manufactured Hastelloy X alloy via directed energy deposition
Sign Up to like & getrecommendations! Published in 2021 at "Additive manufacturing"
DOI: 10.1016/j.addma.2020.101824
Abstract: Abstract The microstructure characteristics and anodic electrochemical behavior of Hastelloy X fabricated by directed energy deposition were investigated in this work. The microstructure of as-deposited Hastelloy X mainly consisted of columnar dendrites along the deposition… read more here.
Keywords: directed energy; anodic electrochemical; deposition; dissolution ... See more keywords
Metastable δ-ferrite and twinning-induced plasticity on the strain hardening behavior of directed energy deposition-processed 304L austenitic stainless steel
Sign Up to like & getrecommendations! Published in 2021 at "Additive Manufacturing"
DOI: 10.1016/j.addma.2021.102363
Abstract: Abstract Rapid melting and solidification cycles during laser-based additive manufacturing create non-equilibrium microstructures in stainless steels (SSs) including atomic segregation-mediated ultrafine δ-ferrite, in contrast to coarse δ-ferrite in typical casting-produced SSs. The formation of metastable… read more here.
Keywords: directed energy; ultrafine ferrite; energy deposition; deposition processed ... See more keywords
Corrosion properties of 304L stainless steel made by directed energy deposition additive manufacturing
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DOI: 10.1016/j.corsci.2019.02.029
Abstract: Abstract The impact of microstructure and processing defects of directed energy deposition (DED) 304L stainless steel on its corrosion behavior was investigated. Materials produced by DED with heat inputs of 0.45 and 0.03 kJ/mm were compared… read more here.
Keywords: directed energy; stainless steel; energy deposition; corrosion ... See more keywords
Controlling microstructure of FeCrMoBC amorphous metal matrix composites via laser directed energy deposition
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.157537
Abstract: Abstract Fe-based amorphous coatings are typically known for their high hardness and wear resistance and are often applied using thermal spraying techniques. When cladding these materials, using laser directed energy deposition (DED), it becomes possible… read more here.
Keywords: directed energy; laser directed; amorphous metal; energy deposition ... See more keywords