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Cracking on a nickel-based superalloy fabricated by direct energy deposition
Cracks have consistently been a significant challenge limiting the development of additive manufactured nickel-based superalloys. It is essential to...
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Characterization of microstructure and texture of lean duplex stainless steel 2101 produced by underwater laser wire direct energy deposition
Lean duplex stainless steel 2101 (LDX 2101) is a promising material to replace 304 austenitic stainless steel in nuclear power plant in the future...
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Experimental investigation and numerical simulation of synthesis carbides in Inconel 718/CFs/316L composite obtained by direct energy deposition
Direct energy deposition was used to obtain the carbides M x C y in carbon-fibers-reinforced Fe–Ni matrix composites. The direct energy deposition...
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Directed Energy Deposition
Also known as DED, the directed energy deposition process comprises of a focused thermal energy source to melt and fuse material that is deposited...
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Investigation of the Wire Arc Direct Energy Deposition-Process and Possible Interactions
The Wire Arc Direct Energy Deposition (WA-DED) process is highly regarded as part of additive manufacturing. Compared to other additive manufacturing...
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Numerical simulation of dynamic analysis of molten pool in the process of direct energy deposition
Laser direct energy deposition (L-DED) can improve the forming efficiency of parts by controlling laser power, scanning speed, powder flow rate, and...
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Surface Enhancements from Peening Effect on Inconel 718 Fabricated by Direct Energy Deposition
Direct energy deposition Inconel 718 is increasingly explored and used for various industrial applications due to its near net shape and ability to...
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Microstructure and Residual Stress in Functionally Graded 316L Stainless Steel/Inconel 625 Alloys Fabricated by Direct Energy Deposition
Functionally graded materials (FGMs) provide a unique solution to combine distinct properties within a single component to enhance its overall...
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Numerical study of powder flow characteristics of coaxial nozzle direct energy deposition at different operating and design conditions
This study investigates key parameters impacting powder particle efficiency in coaxial nozzle systems crucial for direct energy deposition (DED)...
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Multilayer composite Ti-6Al-4 V/Cp-Ti alloy produced by laser direct energy deposition
Titanium alloys are one of the most used materials in the medicine, aviation, and automotive industry. However, Ti alloys usually possess poor impact...
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Mathematical prediction of melt pool geometry and temperature profile for direct energy deposition of 15Cr5Ni SS alloy
Direct energy deposition is one of the 3D printing processes for fabricating functional parts for various engineering applications. The effectiveness...
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Effects of heat source type and FE time discretization strategy on predicting temperature histories during laser direct energy deposition process of Fe-based alloys
In this study, the temperature evolutions in the laser direct energy deposition process of Fe-based metallic materials are numerically investigated...
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Ni-based ODS alloy prepared by direct energy deposition process: powder fabrication, microstructure, mechanical property, and oxidation resistance
Additive manufacturing (AM) has generated considerable interest in Ni-based oxide dispersion strengthened (ODS) alloys to achieve enhanced...
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A membrane finite element for fast simulation of overlap** beads geometry during direct energy deposition additive manufacturing
The aim of this paper is to propose a fast FEM strategy for simulating molten metal deposition geometry during additive manufacturing for studying...
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Synthesis of the (Ti,Cr)xCy carbides on CFs reinforced Cr and Ti-based alloy obtained by direct energy deposition
A new alloy Ti6Al4V/CrCFs synthesized from powder mixture Ti6Al4V and carbon fibers (CFs) coated of chromium (Cr) during direct energy deposition...
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Spur gear teeth reconstruction via direct laser deposition
Fatigue damage, such as pitting and tooth root fatigue fracture, is one of several gear failure modes encountered in practical applications. Some of...
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Impact of laser process parameters in direct energy deposition on microstructure, layer characteristics, and microhardness of TC21 alloy
In the present study, layers consisting of 40% Stellite-6 and 60% WC were deposited on Ti-6Al-3Mo-2Sn-2Zr-2Nb-1.5Cr-0.1Si (TC21) alloy by means of...
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Investigation of interlayer bonding during pneumatic extruding direct writing deposition
At present, it is recognized that interlayer bonding plays a key role in the overall quality of additive manufacturing (AM)–fabricated parts. The...
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Coupling direct powder deposition with spark plasma sintering: a new approach towards rapid prototy**
In this paper, we propose a modified material jetting technology based on a piezoelectric-driven powder deposition, hence direct powder deposition...
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Optimizing energy consumption in directed energy deposition-based hybrid additive manufacturing: an integrated modelling and experimental approach
The awareness of energy consumption is gaining much more attention in manufacturing due to its economic and sustainability benefits. Reducing energy...
