indirect selective laser sintering
Densification and Geometrical Assessments of Alumina Parts Produced Through Indirect Selective Laser Sintering of Alumina-Polystyrene Composite Powder
... A distinction must be made between the production of metal and ceramic parts through rapid investment casting with (polystyrene) sacrificial patterns. When producing metal parts, the sacrificial polystyrene patterns have ...
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Processing and properties of PA6/MMT clay nanocomposites produced using selective laser sintering
... Selective laser sintering (SLS) is a layer manufacturing (LM) technique and has been used to produce prototypes as well as functional components ...a laser beam to selectively fuse powdered ...
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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 ...
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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 ...
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Investigation of Direct Metal Laser Sintering Process
... for sintering plastic, sand and metal powders. In the process of sintering metal powders (Direct Metal Laser Sintering - DMLS), a laser beam of high intensity directly melts a metal ...
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Microstructures and Charge Discharging Properties of Selective Laser Sintering Applied to the Anode of Magnesium Matrix
... Selective laser sintering (SLS) is an additive manufacturing (3D printing) technique that can be applied to the anode of lithium batteries to simplify the manufacturing process and enhance the ...
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Can 3D Printing change your business?
... Plastic Additive Manufacturing (AM) - also referred to as 3D Printing - produces parts suitable for both prototyping and production applications using Selective Laser Sintering. The process generates ...
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Finite element analysis and experimental study of plastic lattice structures manufactured by selective laser sintering
... the selective laser sintering (SLS) process has enabled the fabrication of high strength, lightweight and complex cellular lattice ...plastic selective laser sintering system and ...
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What triggers a microcrack in printed engineering parts produced by selective laser sintering on the first place?
... within Selective Laser Sintered (SLS) parts and will contribute to their enhanced life and ...ufacturing, laser sintering process and properties of nylon-12 is ...
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Complications of selective laser trabeculoplasty: a review
... ciliary body and iris thicknesses within the first month of treatment. This is in line with the increased inflammation seen with SLT compared to ALT. Following ALT, the greatest inflammatory response was 48 hours ...
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A method to fabricate small features on scaffolds for tissue engineering via selective laser sintering
... Visual inspection of the PCL constructs using SEM re- vealed strut thickness values of approximately 500 µm and 800 µm, respectively, depending on their orientation. The average pore size was around 400 µm (Figure 10a). ...
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Selective laser sintering fabrication of nano-hydroxyapatite/poly-ε-caprolactone scaffolds for bone tissue engineering applications
... (SLS) is one type of RP technology. SLS requires powdered materials, radiant heaters, a CO 2 laser, and a computer control system. First, the predesigned computer-aided design (CAD) files must be uploaded to the ...
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Three Dimensional Electrophotographic Printing Through Layered Manufacturing : An Exploration into Personal Fabrication
... Fig 4.1 describes the first embodiment described by Bynum. The heart of this system, like any other system based on electrophotography, is the laser engine and an array of toner containers/cartridges. The toner ...
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SLT versus ALT in Glaucoma Patients Treated Previously with 360-degree SLT—A Randomised, Single-Blind, Equivalence Clinical Trial
... the laser trabeculoplasty, baseline IOP and number of glaucoma medication were two significant predictors for the success of laser trabeculoplasty (p = ...for laser trabeculoplasty as the next step ...
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Sintering of calcium phosphates with a femtosecond pulsed laser for hard tissue engineering
... compositional differences between the brushite and the newly formed monetite and pyrophosphate phases are signi fi cant, particularly in terms of oxygen content since each transformation is accompanied by the removal of ...
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Sintering of calcium phosphates with a femtosecond pulsed laser for hard tissue engineering
... before laser irradiation are presented in ...After laser irradiation the XRD patterns for both materials changed dramatically, the brushite transformed into β-pyrophosphate (β-Ca 2 P 2 O 7 ), since all ...
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Innovations in Retinal Laser Technology
... Conventional laser photocoagulation has limited use in many retinal diseases involving the macular such as age-related macular degeneration (AMD), DME, and CSCR due to collateral thermal damage which can cause ...
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The Effect of Laser Sintering Process Parameters on Cu Nanoparticle Ink in Room Conditions
... Sintered samples were electrically measured with a mul- timeter with values obtained at an accuracy of 0.1 ohms, which is below 1% of the average resistance value. Fig- ure 2 shows the resistance of Cu conductors after ...
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Rapid Prototyping Technology and its Applications
... Typical system of Laminated Object Manufacturing (LOM) has been shown in figure 5. It can be seen form the figure that the slices are cut in required contour from roll of material by using a 25-50 watt CO2 laser ...
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Cost-Effectiveness of Selective Laser Trabeculoplasty (SLT) versus Argon Laser Trabeculoplasty (ALT) in Uncontrolled Open Angle Glaucoma Patients having at least One Full Previous SLT: An Economic Evaluation Alongside an Ongoing Randomized Controlled Clinical Trial
... two laser treatment modalities for uncontrolled open angle glaucoma (OAG) patients (including ocular hypertension, pigmentary dispersion syndrome and pseudoexfoliation syndrome) with at least one full previous SLT ...
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