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Selective laser sintering/melting (SLS/SLM)

A review on selective laser sintering/melting (SLS/SLM) of aluminium alloy powders: Processing, microstructure, and properties

A review on selective laser sintering/melting (SLS/SLM) of aluminium alloy powders: Processing, microstructure, and properties

... the laser sintering of polymers, direct or indirect SLS of metals because of the oxidation, balling and uneven thermal gradients across the layers which may cause poor interlayer bonding, low density, weak ...

193

Crystallographic Features of Microstructure in Maraging Steel Fabricated by Selective Laser Melting

Crystallographic Features of Microstructure in Maraging Steel Fabricated by Selective Laser Melting

... either laser or electron ...used selective laser melting (SLM), selective laser sintering, selective heat sintering, and electron beam melting [3, ...

12

Additive Manufacturing Technology Development: A Trajectory Towards Industrial Revolution

Additive Manufacturing Technology Development: A Trajectory Towards Industrial Revolution

... (FFF), Selective Laser Sintering (SLS), Continuous Filament Fabrication (CFF), Stereolithography (SLA), Atomic Diffusion Additive Manufacturing (ADAM) and Selective Laser Melting ...

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Design and Development of Experimental Setup for Polymer Selective Laser Sintering

Design and Development of Experimental Setup for Polymer Selective Laser Sintering

... the laser and the melt pool width. Whenever a laser is incident on the loose material, it creates a heat zone in the material of a specific ...cause melting of the ...

8

Selective Laser Sintering of Porous Silica Enabled by Carbon Additive

Selective Laser Sintering of Porous Silica Enabled by Carbon Additive

... through selective laser sintering ...high melting point, brittleness and low thermal shock resistance from instinct ceramic material properties, the key hurdle lies on very poor absorptivity ...

11

New approaches to designing parts for digital additive productiona

New approaches to designing parts for digital additive productiona

... as selective laser sintering (SLS), direct metal deposition (DED), electron-beam melting (EBM), selective laser melting ...the selective laser melting ...

8

Study and investigation of influence of process parameters for selective laser melting - a Review

Study and investigation of influence of process parameters for selective laser melting - a Review

... of selective laser sintering manufacturing process and they used process parameters like temperature and ultimately, its change from phase a solid to illiquid and possibly even to gas ...like ...

9

Selective laser melting of cobalt chromium molybdenum for 3d implant component

Selective laser melting of cobalt chromium molybdenum for 3d implant component

... As an important issue affecting the part quality, surface roughness is most important when prototyping is used for casting. Two different types of surfaces are formed when the 3-D physical model is created. The first ...

38

Effects of selective laser melting parameters on relative density of AlSi10Mg

Effects of selective laser melting parameters on relative density of AlSi10Mg

... The laser-sintering process is characterized by extremely rapid melting and re-solidification and produces a metallurgy and corresponding mechanical properties in the as-built condition which is ...

6

Investigation of laser printing for 3D printing and additive manufacturing

Investigation of laser printing for 3D printing and additive manufacturing

... dark decay. Next, it is selectively exposed using a laser or LED radiation (typically visible or near IR radiation). Where exposed, the photoconductive material generates and transports charge (or holes depending ...

540

Fractal scan strategies for selective laser melting of ‘unweldable’ nickel superalloys

Fractal scan strategies for selective laser melting of ‘unweldable’ nickel superalloys

... how cracks may develop in each scenario, defects could be more reliably detected and potentially resolved in-situ during the build, effectively reducing the number of scrap parts manufactured. Further, there exists the ...

33

Review of in situ process monitoring and in situ metrology for metal additive manufacturing

Review of in situ process monitoring and in situ metrology for metal additive manufacturing

... pulsed laser is used to generate an ultrasonic wave and a continuous- wave laser interferometer detects the small surface displacement when the wave arrives at the detection point ...of laser ...

15

The effect of laser remelting on the surface chemistry of Ti6al4V components fabricated by selective laser melting

The effect of laser remelting on the surface chemistry of Ti6al4V components fabricated by selective laser melting

... rapid melting and cooling process, chemical transformations are possible depending on the elements in the material, melting and cooling rate and build ...

8

Selective Surface Sintering Using a Laser-Induced Breakdown
Spectroscopy System

Selective Surface Sintering Using a Laser-Induced Breakdown Spectroscopy System

... 1.1. Laser-Induced Breakdown ...nanosecond laser ablation state that when a laser hits a target, with enough high energy, the surface heats up, melts, vaporizes, and ionizes creating a ...the ...

12

Applications, Manufacturing and Thermal Characteristics of Micro Lattice Structures: Current State of the Art

Applications, Manufacturing and Thermal Characteristics of Micro Lattice Structures: Current State of the Art

... printing, Selective Laser Melting (SLM), Electron Beam Melting (EBM)), Rapid prototyping, woven metal lattices, non-woven metal lattices, self-propagating photopolymer waveguides, etc ...

13

Preliminary experience with selective laser sintering models of the human temporal bone

Preliminary experience with selective laser sintering models of the human temporal bone

... Selective laser sintering of polycarbonate powder was performed with a 25 W carbon dioxide laser with power centered at 14 W at a beam diameter of 0 .060 inches 1.5 mm, 100 scan lines pe[r] ...

5

Staged thermomechanical testing of nickel superalloys produced by selective laser melting

Staged thermomechanical testing of nickel superalloys produced by selective laser melting

... stages and XCT measurement was performed in each stage. In another study [9], an in-situ XCT measurement was applied to study a high-temperature tensile testing, the evolution of samples’ deformation was clearly ...

20

Modeling of Residual Stress Distribution for Components Manufactured by Selective Laser Melting

Modeling of Residual Stress Distribution for Components Manufactured by Selective Laser Melting

... The selection of heat source model in the simulation of SLM process has great influence on the calculation pre- cision of stress field. The heat source model with uni- form distribution is mostly used in the early ...

5

Influence of Annealing on Mechanical Properties of Al-20Si Processed by Selective Laser Melting

Influence of Annealing on Mechanical Properties of Al-20Si Processed by Selective Laser Melting

... Selective laser melting (SLM) is an additive manufacturing technique that produces three dimensional parts directly from CAD data [1–3]. Due to its flexibility in feedstock and shapes, SLM permits ...

9

Reduction of micro-cracking in nickel superalloys processed by Selective Laser Melting: A fundamental alloy design approach

Reduction of micro-cracking in nickel superalloys processed by Selective Laser Melting: A fundamental alloy design approach

... Abstract—The Selective Laser Melting (SLM) process generates large thermal gradients during rapid melting of metallic powdered feedstock. During solidification certain alloys suffer from ...

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