2015 International Solid Freeform Fabrication Symposium
Proceedings for the 2015 International Solid Freeform Fabrication Symposium. For more information about the symposium, please see the Solid Freeform Fabrication website .
The Twenty-Sixth Annual International Solid Freeform Fabrication (SFF) Symposium – An Additive Manufacturing Conference, held at The University of Texas in Austin on August 10-12, 2015, was attended by 388 researchers from 19 countries. The organizers are pleased that 175 of the attendees were students, representing 45% of the audience. The number of oral and poster presentations increased to 289 this year, an increase of almost 50% over 2014. The meeting was held on the camps of The University of Texas at Austin in the AT&T Executive Education and Conference Center.
The meeting consisted of a Monday morning plenary, 25 parallel technical sessions and a poster session. This year’s best oral presentation was entitled, “Thermographic Measurements of the Commercial Laser Powder Bed Fusion Process at NIST”, authored by B. Lane, S. Moylan, E. Whitenton and L. Ma from the National Institute of Standards and Technology. Selection is based on the overall quality of the paper, the presentation and discussion at the meeting, the significance of the work and the manuscript submitted to the proceedings. Selected from 256 oral presentations, the associated manuscript appears on Page 575. The best poster presentation selected from 33 posters was given by L.B. Bass, N.A. Meisel and C.B. Williams from Virginia Polytechnic Institute and State University. Titled, “Exploring Variability in Material Properties of Multi-Material Jetting Parts”, the paper is included in the Proceedings on Page 993. Posters are judged based on the quality and organization of the poster as well as the discussion of the poster by the author during the poster session.
The recipient of the International Outstanding Young Researcher in Freeform and Additive Manufacturing Award was Dr. Ibrahim T. Ozbolat from The Pennsylvania State University. Dr. Richard J.M. Hague from the University of Nottingham won the International Freeform and Additive Manufacturing Excellence (FAME) Award.
The editors would like to thank the Organizing Committee, the session chairs, the attendees for their enthusiastic participation, and the speakers both for their significant contribution to the meeting and for the relatively prompt delivery of the manuscripts comprising this volume. We look forward to the continued close cooperation of the additive manufacturing community in organizing the Symposium. We also want to thank the Office of Naval Research (N00014-15-1-0071) and the National Science Foundation (CMMI-1536671) for supporting this meeting financially. The meeting was co-organized by The University of Connecticut at Storrs, and the Mechanical Engineering Department/Lab for Freeform Fabrication under the aegis of the Advanced Manufacturing and Design Center at The University of Texas at Austin.
Recent Submissions
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Experimental Study of Snap-Fits Using Additive Manufacturing
(University of Texas at Austin, 2015)A snap-fit is a mechanical joint system whose mating parts exert a cam action, flexing until one part slips past a raised lip on the other part, preventing their separation. The use of snaps in additive manufacturing ... -
Capillary-Driven Flow in Open Microchannels Printed with Fused Deposition Modeling
(University of Texas at Austin, 2015)The fundamentals of fluid flow in 3D printed, open microchannels created using fused deposition modeling (FDM) are explored. Printed microchannels are used in microfluidic devices and have potential applications in ... -
Creating Embedded Radiofrequency Structures Using PolyJet Material Jetting
(University of Texas at Austin, 2015)Embedding of integrated systems via Additive Manufacturing (AM) offers the potential to save weight, space, and time in the production of electronics and vehicles. Of specific interest are embedded electrical systems ... -
Construction by Contour Crafting Using Sulfur Concrete with Planetary Applications
(University of Texas at Austin, 2015)This paper reports on the experiments with the Contour Crafting Automated Construction process using sulfur concrete as the choice of construction material. Sulfur concrete has numerous terrestrial applications and is ... -
Direct Selective Laser Sintering of Reaction Bonded Silicon Carbide
(University of Texas at Austin, 2015)Three-dimensional reaction bonded silicon carbide (SiSiC or RBSC) parts have been produced by direct selective laser sintering (SLS). Unlike previously investigated processing routes, which make use of a sacrificial ... -
Thermal Aspects of Selective Laser Sintering of PMMA+β-TCP Composites
(University of Texas at Austin, 2015)Biocompatible and osteoconductive characteristics expected of materials used for bone grafting applications identified Polymethyl methacrylate (PMMA) and β-Tri Calcium Phosphate (βTCP) combinations to be potential biopolymer ... -
Further Study of the Electropolishing of Ti6Al4V Parts Made via Electron Beam Melting
(University of Texas at Austin, 2015)In this study, the effect of various parameters including the voltage, current, polishing time, temperature and electrode spacing on the electropolishing quality of Ti6Al4V samples made via electron beam melting was ... -
Thermal Performance and Surface Characterization of a Selective Laser Melted Flat-Plate Oscillating Heat Pipe
(University of Texas at Austin, 2015)A titanium alloy (Ti-6Al-4V) flat-plate oscillating heat pipe (FP-OHP) was fabricated using Selective Laser Melting (SLM). The 50.8 x 38.1 x 15.75 mm3 FP-OHP consisted of four integral layers of capillary-sized, circular ... -
Study of Vapourised Solvent Attack on Additive Manufacturing Part Surface
(University of Texas at Austin, 2015)The additive manufacturing technologies has been facing an extraordinary growth during that last years, mainly as consequence of the increase of low cost FDM technologies into the marketing. In contrast with that, one of ... -
Improving Energy Efficiency of Car Climate Control with SLS
(University of Texas at Austin, 2015)In Europe, passenger cars are responsible for 12% of CO2 emissions. The European Commission established new regulations to drastically reduce the emissions from 130g to 95g CO2 per km between 2015 and 2021. While the ... -
Freeform Extrusion Fabrication of Titanium Fiber Reinforced Bioactive Glass Scaffolds
(University of Texas at Austin, 2015)Although implants made with bioactive glass have shown promising results for bone repair, their application in repairing load-bearing long bones is limited due to their low fracture toughness and fairly fast degradation ... -
Polymer Particle Formation Using Inkjet Printing
(University of Texas at Austin, 2015)Exciting advances have been made in biomaterials research, through both relating material properties to cell response and discovery of new materials via high throughput screening. This area of research is still hindered ... -
Optimal Process Parameters for 3D Printing of Dental Porcelain Structures
(University of Texas at Austin, 2015)Dental porcelain material is a typical glass ceramic material that is widely used in dental restoration applications. However, there still exists limited knowledge about the fabrication of this type of materials using ... -
Inkjet Printing of Materials with Resistance to Bacterial Attachment
(University of Texas at Austin, 2015)Biofilm formation on the surface of medical devices is a major source of health-care associated infections. The discovery of new materials that inherently avoid formation of such biofilms on their surface points the way ... -
In Situ Printing - An Alternative Three Dimensional Laden Structure Fabrication Method
(University of Texas at Austin, 2015)Recapitulating a structure that mimics the anatomic geometries and intratissue cell distribution as in live organism is a major challenge of tissue engineering nowadays. Solid freeform fabrication (SFF) has been demonstrated ... -
A Glance at the Recent Additive Manufacturing Research and Development in China
(University of Texas at Austin, 2015)This paper reviews some of the recent additive manufacturing research and development works in China. A considerable amount of AM research activities in China focuses on directed energy deposition processes, powder bed ... -
Protection Measures against Product Piracy and Application by the Use of AM
(University of Texas at Austin, 2015)Presently the implications Additive Manufacturing (AM) on intellectual properties are discussed in public. Here AM is often mentioned as a driver for product piracy as it allows to produce and to copy objects with any ... -
Polymer Recycling and Additive Manufacturing in an Open Source Context: Optimization of Processes and Methods
(University of Texas at Austin, 2015)Polymer recycling is a way to reduce environmental impacts of accumulation of polymeric waste materials. However, low recycling rates are often observed in conventional centralized recycling plants mainly to the challenge ... -
Feasibility Study of Small Scale Production Based on Additive Manufacturing Technologies
(University of Texas at Austin, 2015)Along the last years, the complexity of products has been growing progressively, while the product development life-cycle tended to be reduced. In addition to that, additive manufacturing technologies increased their role ...
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