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Wire Laser Metal Deposition
Laser Metal Deposition (LMD) operates using both, powder and wire additives. The last one present a series of advantages, as lower price per...
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Modelling of Laser Metal Deposition
Laser metal deposition (LMD) has become an established processing technique for the repair and manufacture of metal parts and the functionalization...
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Optimization of process parameters for gas-powder flow behavior in the coaxial nozzle during laser direct metal deposition based on numerical simulation
Abstract
Laser direct metal deposition (DMD) can supply a new method in the fields of surface modification and near-net forming. The powder flow...
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In situ monitoring of build height during powder-based laser metal deposition
A powder-based laser metal deposition (LMD) system can fabricate customised three-dimensional (3D) parts, layer by layer, based upon a computer-aided...
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In-situ powder mixing for laser-based directed energy deposition of functionally graded materials
The mixing of powders is a highly relevant field under additive manufacturing, however, it has attracted limited interest to date. The in-situ...
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Nozzle Designs in Powder-Based Direct Laser Deposition: A Review
Laser-based Direct Energy Deposition (L-DED) is one of the most commonly employed metal additive manufacturing technologies. In L-DED, a laser beam...
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Laser-Based Directed Energy Deposition (L-DED) Processing of Water Atomized 42CrMo4 Powder
This study investigates the viability of utilizing a low-cost steel feedstock powder in the context of laser-based directed energy deposition (DED)...
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Online monitoring of direct laser metal deposition process by means of infrared thermography
Direct laser metal deposition (LMD–DED) is an additive manufacturing (AM) process that is used to build up and repair high-quality metal components....
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Embedding optical fiber with laser metal deposition
In contrast to other additive manufacturing technologies, laser metal deposition (LMD) allows printing on existing metal parts. For smart tools, it...
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Investigations on mass flow rate of rotary vane feeder for direct metal laser deposition
Directed energy deposition (DED) is an additive manufacturing (AM) technology that builds components using laser melting and solidification. To...
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Multi-objective optimization of process parameters for laser metal deposition of NiTi shape memory alloy based on neural network and genetic algorithm
Due to the poor machinability and weldability of nickel-titanium (NiTi) shape memory alloy, application of NiTi alloy components prepared by smelting...
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Co-based and Co/WC Laser Metal Deposition: A Comparative Study between Continuous and Pulsed Wave Laser Process Conditions
Laser metal deposition (LMD) has attracted global interest due to its capacity to fabricate wear-resistant materials. However, the magnitude of heat...
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Overcoming machining challenges in hybrid laser metal deposition of IN718 with heat-assisted minimum quantity lubrication
This study addresses machining challenges in hybrid additive manufacturing, specifically focusing on laser metal deposition on wire arc additively...
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Laser metal deposition of mechanical milled IN718/Al2O3 nanocomposite
Metal matrix nanocomposites have attracted worldwide interest due to their applications in several industrial sectors. However, metal matrix powder...
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Visualization of melt pool stability for wire- and powder-based directed energy deposition repair of gray cast iron
Gray cast iron is favorable in agricultural and automotive castings for its high strength and wear resistance but offers difficulty during...
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Enhancing productivity and efficiency in conventional laser metal deposition process for Inconel 718 – Part II: advancing the process performance
This paper is the second part of a work focused on optimizing the performance of conventional Laser Metal Deposition (C-LMD) process for Inconel 718...
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Microstructure and Mechanical Properties of MoNbTaW RHEA Fabricated by Laser Metal Deposition
Refractory high-entropy alloys have great application potential in aerospace and shipbuilding due to their excellent properties, such as...
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Hybrid laser metal deposition of a Fe–Cr–Mo–V–Mn tool steel for hot stam** applications
In this investigation, a novel Fe–Cr–Mo–V–Mn hot work tool steel powder was specifically developed for laser-based additive manufacturing, targeting...
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Experimental and Computational Thermal Analysis of Ti-Based Alloy Produced by Laser Metal Deposition Technique
A Ti-Fe-Si-Cr-Nb alloy was fabricated using laser metal deposition (LMD) technique. The laser power and scanning speed were varied during fabrication...
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Laser shock forging—a novel in situ method designed towards controlling residual stresses in laser metal deposition
This paper presents a novel hybrid in situ additive manufacturing (AM) method – laser shock forging (LSF), which combines laser shock peening (LSP)...
