Developments in 3D Printing a Sector by Sector Overview
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A Review on Polymeric Materials in Additive Manufacturing ⇑ J.M
Materials Today: Proceedings xxx (xxxx) xxx Contents lists available at ScienceDirect Materials Today: Proceedings journal homepage: www.elsevier.com/locate/matpr A review on polymeric materials in additive manufacturing ⇑ J.M. Jafferson , Debdutta Chatterjee VIT University Chennai Campus 600127, India article info abstract Article history: Polymers are the greatest innovation of the millennium. Due to their low price, ease of manufacture, Available online xxxx resistance to water and versatility, polymers have several applications in different domestic and indus- trial sectors. Digital fabrication technology which is also referred to as 3D printing or additive Keywords: Manufacturing (AM) is used for creating physical components from a geometrical representation by Polymeric materials step-by-step addition of materials. This review paper elaborates on the use of polymers for Rapid Additive manufacturing Manufacturing. One such material used is Shape Memory Polymers that have been analyzed as Smart Automotive Materials (4D Printing Materials). Polymers such as Thermoplastics, elastomers, thermosets, and poly- Drug delivery mers with integrated fillers, bio-polymers, and polymers blended with biological materials come under Fabric industry the range of other polymeric materials used in AM. The quality evaluations that are performed are based on mechanical properties, part density and temperature stability. Polycarbonates (PC), acrylonitrile buta- diene styrene (ABS), polyether-ester ketone (PEEK), polyetherimide (ULTEM) and Nylon are usually uti- lized polymers in measures which need thermoplastics, or plastics treated by warming to a semi-fluid state and near the softening point. Properties of materials were reviewed for example, Strength param- eters of a specific list of Polymeric Materials used in 3D printing was revised, where strength tests showed that material such as Polybutylene terephthalate has a high Yield Strength and Polypropylene has a high Ultimate Tensile Strength. -
High Speed Sintering for 3D Printing Applications
High Speed Sintering for 3D printing applications High Speed Sintering for 3D printing applications Neil Hopkinson, Adam Ellis, Adam Strevens, Manolis Papastavrou and Torben Lange, Xaar plc Introduction High Speed Sintering (HSS) is a transformational inkjet-based 3D printing technology which is being further developed at Xaar by the original inventor, Prof. Neil Hopkinson. This 3D printing (also called Additive Manufacturing) technology involves depositing a fine layer of polymeric powder, after which inkjet printheads deposit a single IR (infrared) absorbing fluid directly onto the powder surface in the required cross-sectional pattern where sintering is desired. The entire build area is then irradiated with an infrared lamp, causing the printed fluid to absorb this energy and then melt and sinter (consolidate) the underlying powder. This process is then repeated layer by layer until the build is complete. The use of digital inkjet printing makes the process considerably faster than point based systems, for example those requiring a laser to sinter/melt material. As with all 3D printing processes there is no requirement for new moulds, plates or other design template related fixtures. High Speed Sintering is a self-supporting process; this means that solid, hollow and complex shapes with internal features are possible without the need to create and subsequently remove support structures, at much higher speeds than other additive manufacturing processes. Today there are many 3D printing technologies and several other sintering technologies available. This paper demonstrates how High Speed Sintering (HSS) fits in the 3D printing space as a fast and cost-effective route to develop and manufacture customised prototypes and products. -
Influence of the Printing Parameters on the Stability of the Deposited Beads in Fused Filament Fabrication of Poly(Lactic) Acid
Open Archive Toulouse Archive Ouverte (OATAO ) OATAO is an open access repository that collects the wor of some Toulouse researchers and ma es it freely available over the web where possible. This is an author's version published in: http://oatao.univ-toulouse.fr/20922 Official URL : https://doi.org/10.1016/j.addma.2018.10.012 To cite this version: Bakrani Balani, Shahriar and Chabert, France and Nassiet, Valérie and Cantarel, Arthur Influence of the printing parameters on the stability of the deposited beads in Fused Filament Fabrication of poly(lactic) acid. Vol. 25, pp. 112-121 (2019) Additive Manufacturing. Any correspondence concerning this service should be sent to the repository administrator: [email protected] Influence of printing parameters on the stability of deposited beads in fused filament fabrication of poly(lactic) acid Shahriar Bakrani Balani 1, 2, a), France Chabert 1, b), Valérie Nassiet 1, c), Arthur Cantarel 2, d), 1 LGP-ENIT-INPT, University of Toulouse, 47 Avenue d’Azereix, BP1629-65016 Tarbes Cedex, France Web Page: http://www.enit.fr/ 2 Institut Clément Ader (ICA), CNRS UMR 5312, University of Toulouse, IUT of Tarbes, UPS, France Web Page: http://www.institut-clement-ader.org/ Corresponding author: b) [email protected] a) [email protected] c) [email protected] d) [email protected] Abstract: Fused filament fabrication (FFF) is one of the various types of additive manufacturing processes. Similar to other types, FFF enables free-form fabrication and optimised structures by using polymeric filaments as the raw material. This work aims to optimise the printing conditions of the FFF process based on reliable properties, such as printing parameters and physical properties of polymers. -
3D Printing System for Ceramic Materials: Design and Testing of an Experimental Rig
3D printing system for ceramic materials: design and testing of an experimental rig Armand Yahnn Fabrice Chefdor Thesis to obtain the Master of Science Degree in Mechanical Engineering Supervisors : Prof. Marco Alexandre de Oliveira Leite Prof. António Manuel Relógio Ribeiro Examination Committee Chairperson : Prof. Luís Filipe Galrão dos Reis Supervisor : Prof. Marco Alexandre de Oliveira Leite Member of the Committee : Prof. Bruno Alexandre Rodrigues Simões Soares July 2018 Acknowledgements Primarily, I would like to express my gratitude to my supervisors from the Mechanical Engineering Department, Professor Marco Alexandre De Oliveira Leite and Professor António Manuel Relógio Ribeiro, as well as Professor Ana Paula Valagão Amadeu do Serro from the chemical department. They all did an outstanding job by granting me support, knowledge and valuable insight into this interesting subject. I would also like to thank my former colleagues from iMakr who introduced me to the capacities of additive manufacturing and took the time to provide me useful knowledge for this following topic. I would likewise thank my colleagues from the chemical department and the Lab2Prod for their guidance and generous help with diverse tasks regarding my work. Finally, I gratefully acknowledge all the people who allow the Erasmus exchange program to exist, and thus helped me to stay at Técnico for this semester. On the other hand, I do not wish to thank my Erasmus friends who often found a way to take my concentration away from this subject. II Abstract In the context of a constantly growing additive manufacturing market, many processes are acquiring important statuses in the medical field. -
Aerogel Background Slides
Aerogels Background Information Version 052917.1 Overview The following slides present background information on aerogel and its role in nanotechnology. They may be presented as part of a lecture introducing the Aerogel activity. Aerogel’s nickname: “Solid blue smoke” Aerogel resembles a hologram. Is it there or not? Aerogel is a highly porous, solid material. Aerogel has the lowest density of any solid known to man. It is one thousand times less dense than glass. NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California Aerogel is a Product of Nanotechnology Aerogels are made of 10nm silica spheres. They weigh only slightly more than air. In fact, one form is 99.8% air. About 8,000 of these air Scanning electron microscope image of aerogel bubbles would fit across a single human hair Why is Aerogel Blue? The size of the air bubbles is similar in size to the molecules in air and the air pockets in glaciers. They all scatter blue light more than red, making them look blue. NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California Gray Glacier, Torres del Paine National Park Chile How is Aerogel Made? • Labs make aerogels by suspending silicon dioxide in alcohol and water to form a gel. • The liquid is removed with carbon dioxide under high pressure and temperature. • Aerogels are expensive to make. Extreme Physical Properties of Aerogel Property Silica Aerogel Silica Glass Density (kgm3) 5-200 2300 Specific Surface area 500-800 0.1 (m2/g) Optical Transmission 90% 99% at 632.8nm -
Desktop Metal Is Set to Change How Metal Is Manufactured with the Fastest Metal 3D Printing System in the World
April 25, 2017 Desktop Metal Is Set to Change How Metal Is Manufactured with the Fastest Metal 3D Printing System in the World For the First Time, Affordable, Safe and Precise Metal 3D Printing for Both Prototyping and Mass Production Will Be a Reality Across Industries - at Speeds 100x Faster BURLINGTON, Mass.--(BUSINESS WIRE)-- Desktop Metal, the company committed to making metal 3D printing accessible to global manufacturers and engineers, today launched two systems covering the full product lifecycle -- from prototyping to mass production -- which mark a fundamental shift in how products will be developed and brought to market. The DM Studio and DM Production systems change the rules of traditional metal manufacturing solutions with the advent of first-of-its-kind innovative approaches that reduce costs and significantly increase speed, safety, and print quality. This Smart News Release features multimedia. View the full release here: http://www.businesswire.com/news/home/20170425005401/en/ The first office- friendly metal 3D printing system for rapid prototyping, the Desktop Metal Studio System is 10 times less expensive than existing technology today. The system is a complete platform, including both a printer, starting at $49,900, and microwave-enhanced sintering furnace that, The DM Studio System is the world’s first affordable, office-friendly metal 3D together, deliver printing system. (Photo: Business Wire) complex and even impossible geometries of metal 3D printed parts right in an engineer’s office or on the shop floor. The DM Studio System: Eliminates the need for expensive, industrial facilities to safely house the technology. Unlike traditional metal 3D printing processes, the DM Studio System requires no hazardous powders, no lasers and no cutting tools to operate. -
JRC Horizon Scanning on Dual-Use Civil and Military Research
JRC horizon scanning on dual-use civil and military research G. Bordin, M. Hristova and E. Luque-Perez 2020 EUR 30301 EN This publication is a Science for Policy report by the Joint Research Centre (JRC), the European Commission’s science and knowledge service. It aims to provide evidence-based scientific support to the European policymaking process. The scientific output expressed does not imply a policy position of the European Commission. Neither the European Commission nor any person acting on behalf of the Commission is responsible for the use that might be made of this publication. For information on the methodology and quality underlying the data used in this publication for which the source is neither Eurostat nor other Commission services, users should contact the referenced source. The designations employed and the presentation of material on the maps do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Contact information Name: Guy Bordin, Mayya Hristova and Encarnación Luque-Perez Address: Rue du Champ de Mars 21, 1049 Brussels, Belgium Email: [email protected]; [email protected]; [email protected] EU Science Hub https://ec.europa.eu/jrc JRC120638 EUR 30301 EN PDF ISBN 978-92-76-20775-7 ISSN 1831-9424 doi:10.2760/47988 Luxembourg: Publications Office of the European Union, 2020 © European Union, 2020 The reuse policy of the European Commission is implemented by the Commission Decision 2011/833/EU of 12 December 2011 on the reuse of Commission documents (OJ L 330, 14.12.2011, p. -
Aerogel Fact Sheet
The NASA Vision The NASA Mission To improve life here, To understand and protect our home planet, To extend life to there, To explore the universe and search for life, To find life beyond To inspire the next generation of explorers Aerogel ...as only NASA can Mystifying Blue Smoke At first sight, aerogel resembles a hologram. An JPL’s second application of aerogel is spacecraft in- excellent insulator, aerogel has the lowest density sulation. Because aerogel is mostly air, an effective Property Silica Aerogel Silica Glass of any known solid — one form of this extraordi- thermal insulator is contained within its porous nary substance is actually 99.8 percent air and silica network. This presents an excellent thermal Density (kgm3) 5 – 200 2300 0.2 percent silica dioxide (by volume). Aerogels barrier to protect the spacecraft against the ex- Specific Surface Area 500 – 800 0.1 have open-pore structures similar to honeycomb, treme cold of deep space. The Mars Pathfinder (m2/g) but in fact they are low-density, solid materials mission used aerogel to protect the electronics Refractive Index at with extremely fine microstructures. Typically sili- of the Sojourner rover against the frigid Martian 1.002 – 1.046 1.514 – 1.644 632.8 nm con-based like ordinary glass, or carbon-based like environment during Sojourner’s 1997 travels on common organic synthetics, aerogels possess the red planet. Each of the twin Mars Exploration Optical unique physical properties (see table). The unique Rovers, scheduled to land on Mars in early 2004, Transmittance 90% 99% characteristics of aerogels are being applied to employs aerogel for thermal insulation of the bat- at 632.8 nm tery, electronics, and computer in the chassis, or meet new technological demands. -
Developments in 3D Printing a Sector by Sector Overview
3D Printing Quarterly Report—Q42018 3D PRINTING–A FAST MOVING MARKET Developments in 3D Printing A Sector by Sector Overview Overview This report explores developments in 3D printing across several sectors and categories for the quarterly period of October 10, 2018 to January 10, 2019. For more information, Table of Contents please contact: Overview ................................... 1 Miscellaneous Partnerships ..... 11 Clothing & Wearables ............... 23 Mark E. Avsec (216) 363-4151 General ..................................... 2 Patents & Copyright ................ 12 Food ....................................... 24 [email protected] Materials .................................. 4 Auto & Transportation ............... 12 Education ................................ 26 Printing Techniques & Aviation & Aerospace .............. 15 Environmental Efforts ............... 27 Capabilities ............................. 8 Health & Life Sciences ............ 16 Arts & Entertainment ................ 28 www.beneschlaw.com M&A and Investments ............... 9 Manufacturing & Construction... 21 3D PRINTING–A FAST MOVING MARKET 3D Printing Quarterly Report—Q4 A Sector by Sector Overview General Mass manufacturing set to be next step in 3D printing, experts say There is a sense mass production is the next big thing in 3D printing and Christoph Schell, President 3D Printing & Digital Manufacturing at HP, lent credence to that when he said 2019 will be the year additive manufacturing moves from prototyping into full production in the automotive industry. HP aims to play a prominent role in this evolution with its Multi Jet Fusion and Metal Jet 3D printing technologies, both of which are designed for large batch production. Startups like Evolve Additive and Origin are using their own technologies for 3D printing large runs of plastic parts. Most companies working toward mass metal manufacturing, including HP, have developed binder jet platforms for mass printing parts. Boston-based Digital Alloys has a novel approach to fusing metal parts called Joule Printing. -
Investigation of Carbon Nanotube Grafted Graphene Oxide Hybrid Aerogel for Polystyrene Composites with Reinforced Mechanical Performance
polymers Article Investigation of Carbon Nanotube Grafted Graphene Oxide Hybrid Aerogel for Polystyrene Composites with Reinforced Mechanical Performance Yanzeng Sun †, Hui Xu †, Zetian Zhao, Lina Zhang, Lichun Ma, Guozheng Zhao, Guojun Song * and Xiaoru Li * Institute of Polymer Materials, School of Material Science and Engineering, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China; [email protected] (Y.S.); [email protected] (H.X.); [email protected] (Z.Z.); [email protected] (L.Z.); [email protected] (L.M.); [email protected] (G.Z.) * Correspondence: [email protected] (G.S.); [email protected] (X.L.) † Yanzeng Sun and Hui Xu are co-first authors. Abstract: The rational design of carbon nanomaterials-reinforced polymer matrix composites based on the excellent properties of three-dimensional porous materials still remains a significant challenge. Herein, a novel approach is developed for preparing large-scale 3D carbon nanotubes (CNTs) and graphene oxide (GO) aerogel (GO-CNTA) by direct grafting of CNTs onto GO. Following this, styrene was backfilled into the prepared aerogel and polymerized in situ to form GO–CNTA/polystyrene (PS) nanocomposites. The results of X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy indicate the successful establishment of CNTs and GO-CNT and the excellent mechanical properties of the 3D frameworks using GO-CNT aerogel. The nanocomposite fabricated with around 1.0 wt% GO- CNT aerogel displayed excellent thermal conductivity of 0.127 W/m·K and its mechanical properties Citation: Sun, Y.; Xu, H.; Zhao, Z.; Zhang, L.; Ma, L.; Zhao, G.; Song, G.; were significantly enhanced compared with pristine PS, with its tensile, flexural, and compressive Li, X. -
Desktop Metal, Inc
Desktop Metal, Inc. Went public via SPAC with Trine Acquisition Corporation, Desktop Metal, Inc. is accelerating the transformation of manufacturing with end-to-end metal 3D printing solutions. The Company has developed the Studio System+, a three-part solution that automates metal 3D printing. The high resolution printing system is integrated through Desktop Metal’s cloud-based software and provides a seamless worklflow for printing metal parts in-house. • Address: 63 Third Avenue , , Burlington , MA, 01803 • Geographic Region: New England • Industry: Computers and Peripherals, Electronics / Instrumentation, Software • SIC Codes: 3577 - Computer Peripheral Equipment • NAICS Codes: 334119 - Other Computer Peripheral Equipment Manufacturing • Legal Counsel: Latham & Watkins LLP • Company Website: www.desktopmetal.com Key Management Investors • Rubino, Mike - CFO • BMW i Ventures • Schmitt, Peter - Chief Designer • DCVC • Sachs, Ely - Co-Founder • Ford Motor Company • Chiang, Yet-Ming - Co-Founder • Founder Collective • Heart, A. - Co-Founder • Future Fund • Schuh, Christopher - Co-Founder • GE Ventures • Fulop, Ric - Co-Founder, CEO, Director • Google Ventures (GV) • Myerberg, Jonah - Co-Founder, CTO • Kleiner Perkins Caufield & Byers LLC • Chin, Rick - Co-Founder, VP, Software Development (KPCB) • Zuberi, Bilal - Director • Koch Disruptive Technologies (KDT) • Hsieh, Wen - Director • Lowe's Companies, Inc. • Grayson, Dayna - Director • Lux Capital • Knight, Byron - Director • Moonrise Venture Partners • Papa, Steve - Director • New Enterprise -
3D Printing and the New Shape of Industrial Manufacturing
3D printing and the new shape of industrial manufacturing June 2014 In conjunction with Table of contents 1 Introduction: 3D printing’s growth spurt 2 3DP-powered R&D 4 The longest mile: From prototyping to final product 7 Reaching the 99%: Small and medium manufacturers 10 Can 3DP shrink the supply chain? 15 3DP and the industrial worker: Awkward bedfellows? 16 Shaping your 3DP strategy What is 3DP? 3D printing, also known as additive manufac- turing, is the process through which hundreds or even thousands of layers of material are Introduction: 3D printing’s growth spurt “printed,” layer upon layer, using a range of materials, or “inks,” most commonly plastic polymers and metals. The additive process, which manufacturers have been using for prototyping since the 1980s, contrasts with traditional subtractive manufacturing processes based on the removal of material Surely, the potential of 3D printing (3DP) surrounding the economics of 3DP, we to create products. But recent advancements has captured the popular imagination. explore how and why companies are in speed, capabilities and lowering prices From jet engine parts to made-to-fit bikinis, bringing this technology closer to an effec- in printers and feedstock have broadened the technology is being hailed as a revo- tual tipping point of adoption. the use and popularity of the technology. 3D lution in how products are manufactured. printers range from small personal hobbyist According to estimates, the global 3DP There are signs that the technology is on the machines (under $200) to industrial printers printer market is poised to hit $6 billion cusp of being mainstreamed and thus there (hundreds of thousands of dollars and more).