• Selective Laser Sintering Everything You Need To Know

    2019 11 21 Selective Laser Sintering is one of the main 3D printing technologies used though SLS 3D printers have been around since the late 1980s Along with fused deposition modeling and stereolithography SLS has dominated rapid prototyping and low number manufacturing for decades Since the original selective laser sintering patents have expired a number of companies have

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  • Injection seeding explained by RP Photonics Encyclopedia

    In the initial phase directly after injection of a pump pulse into the gain medium the laser resonator contains frequency selective elements which introduce some losses and could not tolerate a high power level but allow for the build up of light with a narrow linewidth Once a certain power level has been reached the Pockels cell is

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  • A Comparison of the Energy Efficiency of Selective Laser

    Selective laser sintering SLS is a prominent technology for additive manufa cturing A M of functional parts SL S and competing AM technologies are generally assumed to be

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  • 3D printing

    2021 10 8 A related process is called selective laser sintering SLS here the nozzle head and liquid binder are replaced by precisely guided lasers that heat the powder so that it sinters or partially melts and fuses in the desired areas Typically SLS works with either plastic powder or a combined metal binder powder in the latter case the built

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  • SLS Selective Laser Sintering

    Thermal Stress Modeling in Multi Material Laser Processing Cite this entry as 2014 SLS Selective Laser Sintering In Hetnarski R B eds Encyclopedia of Thermal Stresses

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  • T 34/76 Soviet medium tank

    2014 6 30 Soviet Union 1940 Medium tank 35 467 built A landmark in tank history The T 34 was and remains a legend It is not only the most produced tank of the WWII era with 84 000 built compared to the 48 966 Shermans of all versions but also one of the longest serving tanks ever built Many are still stored in depots in Asia and Africa and some served actively during the 90 s such as

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  • Numerical investigation on selective emitter formation by

    2017 4 4 Laser doping is a promising way of selective emitter formation for silicon solar cells To quantitatively study the influence of laser parameters on the doping effect it is necessary to develop a numerical model This work made some improvements on an experimentally verified numerical model

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  • Selenium

    2018 5 29 Selenium Description Selenium is a nonmetallic element with an atomic number of 34 and an atomic weight of 78 96 Its chemical symbol is Se Selenium is most commonly found in nature in its inorganic form sodium selenite An organic form of selenium selenomethionine is found in foods

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  • Selective Laser Melting

    Selective Laser Melting Selective laser melting SLM is a specific 3D printing technique which utilizes high power density laser to fully melt and fuse metallic powders to produce near net shape parts with near full density up to 99 9 relative density From Nano Today 2017

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  • Selective laser sintering

    Other articles where Selective laser sintering is discussed 3D printing A related process is called selective laser sintering SLS here the nozzle head and liquid binder are replaced by precisely guided lasers that heat the powder so that it sinters or partially melts and fuses in the desired areas Typically SLS works with either plastic powder or a combined metal binder

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  • Diabetes

    2018 5 23 Diabetes is a group of related diseases characterized by elevated levels of glucose sugar in the blood It is caused by the failure of the pancreas to produce sufficient insulin or any insulin at all It can also be caused by the failure of the body s cells to make proper use of the insulin that is produced

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  • Selective laser gelation of ceramic–matrix composites

    2011 1 1 Abstract This paper presents a layer manufacturing technology called selective laser gelation SLG combining selective laser sintering SLS and sol–gel technique for fabricating ceramic–matrix composite green parts which are difficult to produce using conventional processes The material used comprises stainless steel powder and a

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  • Evaluation of the influences of process parameters while

    2014 6 5 Though fused deposition modelling was attempted earlier with PMMA more promising approaches such as selective laser sintering attained very little attention in this regard In particular the mechanism of material consolidation and the effects of significant process parameters on critical responses need sufficient attention and this paper

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  • Aging effects of polyamide 12 in selective laser sintering

    2019 1 1 1 Introduction Selective laser sintering SLS belongs to the additive technologies with the highest potential to produce serial products due to high mechanical properties long term and thermal stability as well as high surface quality compared to other additive techniques like fused deposition modeling A benchmark of resulting resolutions of a selection of features of polyamide 12

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  • Diabetes

    2018 5 23 Diabetes is a group of related diseases characterized by elevated levels of glucose sugar in the blood It is caused by the failure of the pancreas to produce sufficient insulin or any insulin at all It can also be caused by the failure of the body s cells to make proper use of the insulin that is produced

    Get Price
  • Selective Area Modification of Silicon Surface Wettability

    Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment The JoVE video player is compatible with HTML5 and Adobe Flash Older browsers that do not support HTML5 and the H 264 video codec will still use a Flash based video player

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  • The Alexandrite Laser

    2021 10 19 The alexandrite laser with its large spot size and high repetition rate has now usurped the role of the ruby laser It is the fastest most widely used laser for hair removal and is suitable for rapid treatment of large body areas in patients with light to olive complexions and an entire back can be treated in less than thirty minutes

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  • Novel phenomena of graphene secondary dispersion and

    Selective laser melting and heat treatment of precipitation hardening stainless steel with a refined microstructure and excellent mechanical properties Scr Mater 178 2020 pp 712 Article Download PDF View Record in Scopus Google Scholar

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  • OSA

    Mechanical and thermodynamic responses of biomaterials after impulsive heat deposition through vibrational excitations IHDVE are investigated and discussed Specifically we demonstrate highly efficient ablation of healthy tooth enamel using 55 ps infrared laser pulses tuned to the vibrational transition of interstitial water and hydroxyapatite around 2 95 µm

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  • Laser Surgery

    2017 4 12 Laser Surgery A ruby medical laser in use 1971 In 1962 a dermatologist named Leon Goldman came up with a way to remove unwanted tattoos Utilizing new breakthroughs in laser technology Dr Goldman applied a laser to the tattooed area and presto the tattoo disappeared Dr Goldman s experiment was the first use of lasers in medical history

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  • Polygonal Encyclopedia by PolygonalEncyclopedia

    Selective Laser Sintering SLS Nylon 12 Versatile Plastic Thermoplastic Polyurethane TPU Nylon 11 PA11 SLS Nylon 6 Mineral Filled PA6MF Binder Jetting BETA Stainless Steel 17 4 PH Stainless Steel 316L Steel 60 Steel 40 Bronze Sandstone Multi Jet Fusion MJF Nylon 12 MJF Plastic PA12 Nylon 12 Glass Beads MJF Plastic PA12GB

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  • Selective Laser Sintering

    2019 2 20 Additive Manufacturing Technologies Cite this entry as 2014 Selective Laser Sintering In The International Academy for Production Engineering Laperrière L Reinhart G eds CIRP Encyclopedia of Production Engineering

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  • Encyclopedia of Interfacial Chemistry

    2018 3 29 Encyclopedia of Interfacial Chemistry Surface Science and Electrochemistry summarizes current fundamental knowledge of interfacial chemistry bringing readers the latest developments in the field As the chemical and physical properties and processes at solid and liquid interfaces are the scientific basis of so many technologies which enhance our lives and create new opportunities its

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  • Selective laser melting

    2019 8 9 Selective laser melting SLM also known as direct metal laser sintering DMLS or laser powder bed fusion LPBF is a rapid prototyping 3D printing or additive manufacturing AM technique designed to use a high power density laser to melt and fuse metallic powders together To many SLM is considered to be a subcategory of selective laser

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  • Selective laser sintering

    Laser sintering is a generative layer construction process the workpiece is built up layer by layer As a result of the effect of the laser beams any three dimensional geometries can also be created with undercuts e g B Workpieces that cannot be manufactured using conventional mechanical or casting technology Because of the high level of machine effort and in particular the process

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  • PDF Microstructure and Mechanical Properties of 18Ni

    Selective laser melting SLM is a precise additive manufacturing process that the metallic powders without binder are melted layer by layer to complex components using a high bright fiber laser

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  • Practical and Selective sp3 C−H Bond Chlorination via

    2021 1 18 Radical sp 3 C−H chlorination via hydrogen atom transfer HAT would be an ideal approach to access these building blocks and indeed it is widely used in the industrial valorisation of light alkanes 2 However as these processes are based on the radical chain reactivity of chlorine radicals Cl they require harsh conditions are difficult to control and deliver complex mixtures of all

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  • Selective Area Modification of Silicon Surface Wettability

    Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment The JoVE video player is compatible with HTML5 and Adobe Flash Older browsers that do not support HTML5 and the H 264 video codec will still use a Flash based video player

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  • Selective Laser Sintering

    Powder Particle Selective Laser Sinter Mold Insert Laser Energy Density Solid State Sinter These keywords were added by machine and not by the authors This process is experimental and the keywords may be updated as the learning algorithm improves

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  • PDF Aging effects of polyamide 12 in selective laser

    Selective laser sintering SLS is a popular powder based AM process with superior potentials to produce products with high mechanical properties and good thermal stability compared to other 3D

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  • Book Rapid Solidification Of Alloys And Selective Laser

    Ebook Rapid Solidification Of Alloys And Selective Laser Melting Of Metal Matrix Composites For Abrasive Applications Tuebl Download Online The following is a list of various book titles based on search results using the keyword rapid solidification of alloys and selective laser melting of metal matrix composites for abrasive applications

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  • Selective laser sintering

    3D printer computerized device that produces a three dimensional object by creating it as a series of thin layers The object is created from a model stored in computer aided design computer aided design CAD or computer aided design and drafting CADD form of automation that helps designers prepare drawings specifications parts lists and other design related elements using special

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  • Characterization of selective laser sintered

    2007 5 22 The development of a bone–implant interface is influenced by the surface morphology and roughness surface wettability and porosity of the implants This study characterizes these important properties of a hydroxyapatite based biocomposite structure fabricated by selective laser sintering SLS with a comparison to a moulded specimen

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  • PDF Bone tissue engineering using polycaprolactone

    merization of a synthesized PCL macromer 26 shape One such SFF method selective laser sintering SLS deposition modeling 29 precision extruding deposition may be advantageous for creating bone tissue engineer 35 3DP 36 low temperature deposition 37 and ing constructs for sites such as the TMJ because it multi nozzle free form

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  • PDF Assessing Energy Requirements and Material Flows

    Selective laser sintering SLS is a prominent technology for rapid manufacturing RM of functional parts SLS and competitive RM technologies are generally assumed to be more environmentally

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  • absorption

    absorption in wave motion the transfer of the energy of a wave to matter as the wave passes through it The energy of an acoustic electromagnetic or other wave is proportional to the square of its amplitude i e the maximum displacement or movement of a point on the wave and as the wave

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  • Laser isotope separation

    Laser isotope separation or laser enrichment is a technology of isotope separation using selective ionization of atoms or molecules by the means of precisely tuned lasers

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  • Publications

    2015 3 13 Brock Partee Scott J Hollister and Suman Das Selective Laser Sintering Process Optimization for Layered Manufacturing of CAPA 6501 Polycaprolactone Bone Tissue Engineering Scaffolds ASME Journal of Manufacturing Science and Engineering 128 pp 531 540 2006

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  • Design and Selective Laser Melting Manufacturing of TPE

    In presented work extrusion die made by maraging steel used in TPE processing was optimised by means of flow dynamics of the final part Maraging steel Ni 18 M300 die were produced by Selective Laser Melting SLM using AM125 machine provided by Renishaw The developed and manufactured extrusion die has not been processed by finishing the process i e grinding polishing or sandblasting

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  • Selective Laser Sintering Process Optimization for Layered

    2005 9 14 Selective Laser Sintering Process Optimization for Layered Manufacturing of CAPA 6501 Polycaprolactone Bone Tissue Engineering Scaffolds Brock Partee Brock Partee Mechanical Engineering Department Encyclopedia of Materials Science and Technology Elsevier

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