Proceedings for the 2014 International Solid Freeform Fabrication Symposium. For more information about the symposium, please see the Solid Freeform Fabrication website .

Recent Submissions

  • Electrostatic Stabilisation of Drop on Demand Bio‐Ink through the Cationic Encapsulation of Cells 

    Benning, Matthew; Dalgarno, Kenny (University of Texas at Austin, 2014)
    The ability to formulate bioprinting inks in which suspensions of cells and other biological materials can be maintained, without affecting biological response, is crucial in producing robust printing strategies for ...
  • Separation Force Analysis Based on Cohesive Delamination Model for Bottom-Up Stereolithography Using Finite Element Analysis 

    Liravi, Farzad; Das, Sonjoy; Zhou, Chi (University of Texas at Austin, 2014)
    Bottom-up (constrain-surface) Additive Manufacturing (AM) systems have been widely used in industry. Compared to traditional open-surface AM technology, properties like better vertical resolution, higher material filling ...
  • Stereo Vision Based Hybrid Manufacturing of Ti-6Al-4V in Component Repair Process 

    Liu, Renwei; Wang, Zhiyuan; Sparks, Todd; Liou, Frank (University of Texas at Austin, 2014)
    Parts or products from high performance metal are very expensive, partly due to the processing complexities during manufacturing. Recent studies have indicated that hybrid processes of additive manufacturing and machining ...
  • Experimental Analysis on an Additively Manufactured ABS Living Hinge 

    Gribbins, Cassandra; Steinhauer, Heidi M. (University of Texas at Austin, 2014)
    A study on the plastic behavior of an additively manufactured acrylonitrile butadiene styrene (ABS) living hinge was conducted using a MakerBot 2X. Initial research included numerical and analytical linear analyses on a ...
  • The GE Aircraft Engine Bracket Challenge: An Experiment in Crowdsourcing for Mechanical Design Concepts 

    Carter, W.T.; Emo, D.J.; Abbott, D.H.; Bruck, C.E.; Wilson, G.H.; Wolfe, J.B.; Finkhousen, D.M.; Tepper, A.; Stevens, R.G. (University of Texas at Austin, 2014)
    An emerging international engineering design trend has resulted from widespread use of social media: a large number of people are engaged in collaborative engineering design activities to build their design expertise ...
  • A Graph Grammar Based Approach to 3D Print and Assemble Furniture 

    Gupta, Sulabh; Rui, Rahul (University of Texas at Austin, 2014)
    A Plethora of user generated 3D models are available online. With rapid proliferation and diffusion of additive manufacturing machines in households, it has now become possible to download these virtual objects and print ...
  • The Innovation Station: A 3D Printing Vending Machine for UT Austin Students 

    Kuhn, Joshua; Green, Matthew; Bashyam, Sanjai; Seepersad, Carolyn Conner (University of Texas at Austin, 2014)
    The Innovation Station is designed to provide on-demand, web-enabled 3D printing securely in a public space. The overarching goal is to lower the barriers to 3D printing at a university, to facilitate innovation and ...
  • Comparing Mechanical and Geometrical Properties of Lattice Structure Fabricated Using Electron Beam Melting 

    Park, Sang-in; Rosen, David W.; Duty, Chad E. (University of Texas at Austin, 2014)
    To design lattice structure, a uniform voxel based approach is widely used which divides a part into unit volumes (e.g., cubes) and maps lattice topology into those volumes. In contrast, conformal lattice structures ...
  • Optimization of Process Parameters for Reentrant Surfaces in Direct Metal Laser Melting 

    Ashby, Kathryn; Fieldman, Zack; Kenney, Pat; Rockstroh, Todd (University of Texas at Austin, 2014)
    One of the key factors for development and optimization of direct metal laser melting (DMLM) is the analysis of process parameters on reentrant build geometry and surface finish. Recent studies have focused on the ...
  • Thermographic Investigation of Laser Metal Deposition 

    Karnati, Sreekar; Sparks, Todd; Liou, Frank (University of Texas at Austin, 2014)
    Primitive stages of studies on and with additive manufacturing techniques popularly involve thin wall geometry. In the current effort attempts were made to capture various thermal aspects during deposition of a thin wall ...
  • Hybrid Automata in the Context of Additive Manufacturing 

    Boudreaux, J.C. (University of Texas at Austin, 2014)
    To maintain the forward momentum of additive manufacturing technology, it is necessary to thoroughly evaluate new and potentially useful technological developments in this field. One such development is the intense interest ...
  • A Review of Hybrid Manufacturing 

    Lorenz, K.A.; Jones, J.B.; Wimpenny, D.I.; Jackson, M.R. (University of Texas at Austin, 2015)
    In recent years the combination of laser-based Additive Manufacturing and Computer Numerical Controlled (CNC) machining has become increasingly popular, with several machine tool manufacturers exhibiting products based ...
  • Understanding the Dynamics of Ultrasonic Additive Manufacturing 

    Mao, Qing; Coutris, Nicole; Gibert, James; Fadel, Georges (University of Texas at Austin, 2015)
    Ultrasonic Additive Manufacturing (UAM) is an additive manufacturing technique that uses ultrasound to merge metal foils (150 µm thick, 24 mm wide) layer by layer to fabricate three-dimensional bodies. As new layers are ...
  • Selective Separation Sintering (SSS) A New Layer Based Additive Manufacturing Approach for Metals and Ceramics 

    Zhang, Jing; Khoshnevis, Behrokh (University of Texas at Austin, 2015)
    Selective Separation Sintering (SSS) is a powder layer based Additive Manufacturing approach. SSS can fabricate high temperature ceramic and metallic parts at comparatively lower cost with high quality. In the printing ...
  • Support-less Horizontal Filament-Stacking by Layer-less FDM 

    Kanada, Yasusi (University of Texas at Austin, 2015)
  • High Viscosity Jetting of Conductive and Dielectric Pastes for Printed Electronics 

    Ledesma-Fernandez, J.; Tuck, C.; Hague, R. (University of Texas at Austin, 2015)
    Ink-jet printing of multiple materials in 3 dimensions is a promising alternative to traditional patterning methods due to its flexibility, scalability and accuracy. However, the printability of the inks is strongly ...
  • Active Device Fabrication Using Fiber Encapsulation Additive Manufacturing 

    Saari, M.; Galla, M.; Cox, B.; Richer, E.; Krueger, P.; Cohen, A. (University of Texas at Austin, 2015)
    Fiber Encapsulation Additive Manufacturing (FEAM) is a novel solid freeform fabrication process in which a fiber and a matrix are co-deposited simultaneously within a single printer along straight and curved 2-D and 3-D ...
  • Resource Based Build Direction in Additive Manufacturing Process 

    Ahsan, Nazmul; Habib, Ahasan; Khoda, Bashir (University of Texas at Austin, 2014)
    Three dimensional free-form geometric shapes can be built by putting layers upon layer in a predefined direction via Additive Manufacturing (AM) processes. The fabrication processes require computational as well as ...
  • Supply Chain Modifications to Improve Additive Manufacturing 

    Mohajeri, Babak; Khajavi, Siavash H.; Nyberg, Timo; Khajavi, Siamak H. (University of Texas at Austin, 2014)
    Additive manufacturing (AM) offers unique production characteristics which among those, toollessness and production of complex geometries are potentially significant to operations efficiency. Previous research has ...
  • High Resolution Topology Design with Iso-XFEM 

    Abdi, M.; Ashcroft, I.; Wildman, R. (University of Texas at Austin, 2014)
    Topology optimization, as a challenging aspect of structural optimization, has gained interest in recent years as a method of designing structures to take advantage of the design freedoms of advanced manufacturing ...

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