2011 Table of Contents

Preface

Sustainability

Energy and Resource Efficiency of SLS/SLM Processes 
K. Kellensa, E. Yasaa, Renaldi a, W. Dewulf b, J.P. Kruth a, J.R. Dufloua, aK.U.Leuven , bLeuven Engineering College

Feasibility Study on Plastic Laser Sintering Without Powder Bed Preheating 
Toshiki Niino, Hisashi Haraguchi, Yutaro Itagaki, 
The University of Tokyo

Energy Inputs to Additive Manufacturing: Does Capacity Utilization Matter? 
M. Baumers, C. Tuck, R. Wildman, I. Ashcroft, R. Hague
Loughborough University

A Comparative Evaluation of Energy Consumptionof Selective Laser Sintering and Injection Molding of Nylon Parts 
Cassandra Telenko, Carolyn Conner Seepersad, 
The University of Texas at Austin

 

Process Development

A Method to Eliminate Anchors/Supports From Directly Laser Melted Metal Powder Bed Processes
K.Mumtaz, P.Vora, N.Hopkinson, 
Loughborough University

Development of a Multi-material Mask-Image-Projection-based Stereolithography for the Fabrication of Digital Materials 
Chi Zhou, Yong Chen, Zhigang Yang, Behrokh Khoshnevis,
University of Southern California

Process Intermittent Measurement for Powder-Bed Based Additive Manufacturing
A.L. Cooke, S.P. Moylan, National Institute of Standards and Technology, University of Maryland

Real-Time Interferometric Monitoring System for Exposure Controlled Projection Lithography
Amit S. Jariwalaab, Robert E. Schwerzelb, David W. Rosena,
Georgia Institute of Technology,AlpZhi ,Inc.

Freeze-Form Extrusion Fabrication of Composite Structures
Ming C. Leu, Lie Tang, Brad Deuser, Robert G. Landers,Gregory E. Hilmas, Shi Zhang, Jeremy Watts, Missouri University of Science and Technology

Fab@Home Model 3: A More Robust, Cost Effective and Accessibl Open Hardware Fabrication Platform
Jeffrey Lipton, Robert MacCurdy, Matt Boban, Nick Chartrain, Lawrence Withers III,Natasha Gangjee, Alex Nagai, Jeremy Cohen, Karina Sobhani Jimmy Liu, Hana Qudsi,Jonathan Kaufman, Sima Mitra, Aldo Garcia, Anthony McNicoll, Hod Lipson, 
Cornell University

Layer Alignment and Lamination for the Fully Dense Freeform Fabrication (FDFF) Process
Timothy Glen Conner, Matthew Loerwald, Mohammad Hayasi, Bahram Asiabanpour, 
Texas State University-San Marcos

Development of a Hybrid Manufacturing Cell; Integration of Additive Manufacturing with CNC Machining 
K. Boivie, K. Sørby, V. Brøtan, P. Ystgaarda, SINTEF Raufoss Manufacturing, Norwegian University of Science and Technology

Cladding and Additive Layer Manufacturing with a Laser Supported Arc Process
A. Barroi, J. Hermsdorf, R. Kling, 
Laser Zentrum Hannover

A Strategy for Fabricating Complex Structures via a Hybrid Manufacturing Process
Tarak A. Amine, Todd E. Sparks, Frank Liou,
Missouri University of Science and Technology

Analysis of Sealing Methods for FDM-fabricated Parts
Jorge Mireles, Arturo Adame, David Espalin, Francisco Medina, Rob Winker, Terry Hoppe,Bob Zinniel, and Ryan Wicker, 
The University of Texas at El Paso, bStratasys, Inc

Benchmarking Evaluation of an Open Source Fused Deposition Modeling Additive Manufacturing System 
W. M. Johnson, M. Rowell, B. Deason, and M. Eubanks,
Armstrong State University

Online Quality Control of Selective Laser Melting
Tom Craeghs, Stijn Clijsters, Evren Yasa, Jean-Pierre Kruth,
Katholieke Universiteit Leuven

Investigation the Effect of Particle Size Distribution on Processing Parameters Optimisation in Selective Laser Melting Process
Bochuan Liu, Ricky Wildman, Christopher Tuck, Ian Ashcroft, Richard Hague, Loughborough University

Mechanical and Physical Properties – A Way to Assess Quality of Laser Sintered Parts
S. Rüsenberg, L. Schmidt, H.-J. Schmid, 
University of Paderborn

 

Modeling

Influence of Temperature Fields on the Processing of Polymer Powders by Means of Laser and Mask Sintering Technology
D. Rietzel, M. Drexler, F. Kühnlein, and D. Drummer, 
University Erlangen

Fabrication of Smooth Surfaces Based on Mask Projection Stereolithography
Yayue Pan, Yong Chen, Chi Zhou, 
University of Southern California

A Hybrid Algorithm for Topology Optimization of Additive Manufactured Structures
Aremu A., Ashcroft I., Wildman R., Hague R., Tuck C., Brackett D.,
Loughborough University 279

Numerical Simulation of Ram Extrusion Process for Ceramic Materials
Mingyang Li, Lie Tang, Fei Xue, Robert Landers, 
Missouri University of Science and Technology, Shanghai Dianji University

Shape Evolution of Droplet Impingement Dynamics in Ink-Jet Manufacturing 
Wenchao Zhou, Drew Loney, Andrei G. Fedorov, F. Levent Degertekin, David W. Rosen, 
Georgia Institute of Technology

A New Adaptive Slicing Approach for the Fully Dense Freeform Fabrication (FDFF) Process
Mohammad Hayasi, Bahram Asiabanpour, 
Texas State University-San Marcos

Octree Approach for Simulation of Additive Manufacturing Toolpath
Ch. Sweta Dhaveji, Todd E. Sparks, Jianzhong Ruan, Frank W. Liou,
Missouri University of Science and Technology

Topology Optimization for Additive Manufacturing
D. Brackett, I. Ashcroft, R. Hague,
Loughborough University

Rule-Based Free-Form Deformation for Additive Layer Manufacturing
C. Eschey, S. Feldmann, M. F. Zaeh, 
Technische Universitaet Muenchen

Dislocation Density Crystal Plasticity Based Finite Element Modeling of Ultrasonic Consolidation
D. Pal, B. E. Stucker, Utah State University, 
University of Louisville

Materials

Process Monitoring in Laser Sintering Using Thermal Imaging 
A. Wegner, G. Witt, 
University of Duisburg

Process Planning and Control for Functionally Graded Material Fabrication Using Freeze-Form Extrusion Fabrication
Brad Deuser, Lie Tang, Jeff Geldmeier, Robert G. Landers, and Ming C. Leu, 
Missouri University of Science and Technology

Thermal Conductivity Measurements of Polyamide
Mengqi Yuan, David Bourell, Tim Diller, 
The University of Texas at Austin

Advances in SLS Powder Characterization
A. Amado, M. Schmid, G. Levy , K. Wegener, 
Swiss Institute of Technology, bIRPD Institute

Effect of In-Plane Voiding on the Fracture Behavior of Laser Sintered Polyamide
David K. Leigh, David L. Bourell, Joseph J. Beaman Jr., 
The University of Texas at Austin

Design and Characterization of Orthotropic Re-Entrant Auxetic Structures Made via EBM Using Ti6Al4V and Pure Copper
L. Yang, O. Harrysson, H. West II, D. Cormier, 
North Carolina State University, Rochester Institute of Technology

High Density Ti6Al4V via SLM Processing: Microstructure and Mechanical Properties
Chang-Jing Kong, Christopher J. Tuck, Ian A. Ashcroft, Ricky D. Wildman, Richard Hague, 
Loughborough University

Process Optimization and Microstructural Analysis for Selective LaserMelting of AlSi10Mg
K. Kempena, L. Thijs a, E. Yasaa, M. Badrossamaya, W. Verheeckeb, J.-P. Kruth, Katholieke Universiteit Leuven, Lessius University College

Experimental and Theoretical Analysis of Scanning Laser Epitaxy Applied to Nickel-Based Superalloys
R. Bansal, R. Acharya, J. J. Gambone, S. Das,
Georgia Institute of Technology

Combined Effects of Montmorillonite Clay, Carbon Nanofiber, and Fire Retardant on Mechanical and Flammability Properties of Polyamide 11 Nanocomposites
Blake Johnson, Eric Allcorn, Min G. Baek, and Joseph H. Koo, 
The University of Texas at Austin

Gas Phase Solid Freeform for Fabrication of Three-dimensional Ceramic Structures
Clayton Weiss, Harris L. Marcus,
University of Connecticut

Effect of Particle Size, Binder Content and Heat Treatment on Mechanical Properties of 13-93 Bioactive Glass Scaffolds
Krishna C. R. Kolan, Ming C. Leu, Gregory E. Hilmas, Mariano Velez,
Missouri University of Science and Technology, Mo-Sci Corporation

SLM of Net-Shaped High Strength Ceramics: New Opportunities for Producing Dental Restorations
Y.-C. Hagedorn, N. Balachandran, W. Meiners, K. Wissenbach, R.
Poprawet, 
Fraunhofer Institute for Laser Technology

Comparison of Selective Laser and Electron Beam Melted Titanium Aluminides
L. Loeber, S. Biamino, U. Ackeli, S. Sabbadini, P. Epicoco, P. Fino, J. Eckert, Leibniz Institute for Solid State and Materials Research Dresden, bPolitecnico di Torino, Arcam AB, dAvio SpA

Applications

Manufacturing of Complex Parts With Continuous Functionally Graded Materials (FGM)
J.Y. Hascoet, P. Muller, P. Mognol, Institut de Recherche en Communications et Cybernetique de Nantes

Indirect Tissue Scaffold Fabrication via Fused Deposition Modeling and Biomimetic Mineralization
Jesse Bernardo, Satyavrata Samavedi, Christopher B. Williams, Abby R. Whittington, 
Virginia Polytechnic Institute and State University

A Method for Creating Actuated Joints via Fiber Embedding in a Polyjet 3D Printing Process
L. Justin Stiltner, Amelia M. Elliott, Christopher B. Williams, Abby R. Whittington,
Virginia Polytechnic Institute and State University

Combined SFF Patterning and Replica Molding for Microfabrication of Cell-Laden Microfluidic Device
Jessica Snyder, Chengyang Wang, Qudus Hamid, Wei Suna, Drexel University, Tsinghua University

Bio-Inspired Design of Bipolar Plate Flow Fields for Polymer Electrolyte Membrane Fuel Cells
Nannan Guo, Ming C. Leu, and Maoliang Wb, Missouri University of Science and Technology, Shanghai University of Electric Power

Indirect Laser Sintering of Corrugated Flow Field Plates for Direct Methanol Fuel Cell Applications
Kumaran M Chakravarthy and David L Bourell,
The University of Texas at Austin

Printed Circuit Boards by Selective Deposition and Processing
J. B. Jonesa, D. I. Wimpenny, R. Chudasama, & G. J. Gibbons, De Montfort University, The University of Warwick

Optimal Design of a Golf Club Using Functionally Graded Porosity
Phillip Ray, Gilbert Chahine, Pauline Smith, and R. Kovacevic,
Southern Methodist University, The Army Research Laboratory

A Dithering Based Method to Generate Variable Volume Lattice Cells for Additive Manufacturing
D. Brackett, I. Ashcroft, R. Hague, 
Loughborough University

Selective Laser Melting Of Porous Structures 
H. A. Stoffregen, J. Fischer, C. Siedelhofer, E. Abele, Technische Universität Darmstadt

Effective Thermal Conductivities of Unit-Lattice Structures For Multi- Functional Components
D. Cook, S. Newbauer, D. Pettis, B. Knier, S. Kumpaty Ph.D. P.E.,
Milwaukee School of Engineering, UW Madison

Robust Design of Negative Stiffness Elements Fabricated by Selective Laser Sintering
David Shahan, Ben Fulcher, Carolyn Conner Seepersad, Michael R. Haberman, Preston S. Wilson,
The University of Texas at Austin

Additive Manufacturing (AM) and Nanotechnology: Promises and Challenges 
Olga S. Ivanova, Christopher B. Williams, Thomas A. Campbell,
Virginia Tech