Browsing 2006 International Solid Freeform Fabrication Symposium by Title
Now showing items 1-20 of 68
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Advanced Ceramic Materials and Processes for Three-Dimensional Printing (3DP)
(2006)The University of Washington and ExOne, Inc. are collaborating in the development of advanced ceramic materials and processes for three-dimensional printing (3DP). The focus of the research to be presented is work funded ... -
Analysis of Mesostructure Unit Cells Comprised of Octet-truss Structures
(2006)A unit truss finite element analysis method allowing non-linear deformation is employed to analyze a unit cell comprised of n 3 octet-truss structures for their stiffness and displacement compared to their relative ... -
Applications of a Hybrid Manufacturing Process for Fabrication and Repair of Metallic Structures
(2006)Since its appearance, rapid prototyping technology has been of interest to various industries that are looking for a process to produce/build a part directly from a CAD model in a short time. Among them, the direct metal ... -
Approach Tolerance in the Assemblies of Evolutionary Hybrid Prototypes
(2006-09-14)A new answer is proposed to replace the traditional “one shot” prototype (manufactured in one piece with one process): the hybrid rapid prototype. It is used to highly reduce time, cost and increase reactivity during the ... -
Automation of a Hybrid Manufacturing System Through Tight Integration of Software and Sensor Feedback
(2006-09-14)This paper presents a framework for the automation of the Laser Aided Manufacturing Process (LAMP) lab at the University of Missouri-Rolla. The groundwork for the proposed system involves the integration of the LabVIEW ... -
Comparison of Thermal Properties of Laser Deposition and Traditional Welding Process via Thermal Diffusivity Measurement
(2006-09-14)Laser deposition is an effective process for mold and die repair. In order to improve the part repair qualityˈthe process impact on thermal diffusivity and thermal conductivity needs to be understood for laser deposited, ... -
Computer Generation of Metal Components by Simultaneous Deposition of Mould, Cores and Part
(2006)A new solid freeforming method based on co-delivery of mould powder materials and part powder materials using vibration-controlled, dry powder valves is presented in this paper. Thin layers of stainless steel powder are ... -
Design and Freeform Fabrication of Deployable Structures with Lattice Skins
(2006)Frontier environments—such as battlefields, hostile territories, remote locations, or outer space—drive the need for lightweight, deployable structures that can be stored in a compact configuration and deployed quickly ... -
Design of a Graded Cellular Structure for an Acetabular Hip Replacement Component
(2006-09-14)The state-of-the-art porous coatings become more and more popular in uncemented prostheses to make bone grow into implants for biological fixation. In this paper, graded cellular structures are proposed for uncemented ... -
Design Synthesis of Adaptive Mesoscopic Cellular Structures with Unit Truss Approach and Particle Swarm Optimization Algorithm
(2006)Cellular material structures have been engineered at the mesoscopic scale for high performance and multifunctional capabilities. However, the design of adaptive cellular structures - structures with cellular configurations, ... -
Development of an Automated Multiple Material Stereolithography Machine
(2006)An automated Multiple Material Stereolithography (MMSL) machine was developed by integrating components of a 3D Systems 250/50 stereolithography (SL) machine in a separate stand-alone system and adapting them to function ... -
Direct Extrusion Freeforming of Ceramic Pastes
(2006-09-14)Microextrusion freeforming of ceramic lattices from high solids ceramic pastes provides multi-scale hierarchical void structures with the advantages of low shrinkage stress and high sintered density. Alumina lattices ... -
Direct Metal Laser Fabrication of Cu Slabs from Powder Precursor: Surface Depth of Melt and Furnace Temperature Issues
(2006)A DMLF processing unit based on a raster-scanned 80 W CO2 laser beam has been developed to process single layers of metallic powder precursor. The process chamber provides atmosphere control (high vacuum and inert gas ... -
Dry Powder Microfeeding System for Solid Freeform Fabrication
(2006)Second generation SFF techniques allow both composition and shape to be downloaded directly from a computer file so that 3D functionally graded materials (FGM) can be assembled. Methods for multi-material deposition are ... -
Effect of a Distributed Heat Source on Melt Pool Geometry and Microstructure in Beam-Based Solid Freeform Fabrication
(2006)The ability to control geometric and mechanical properties of parts fabricated using laser-based manufacturing processes requires an understanding and control of melt pool geometry and microstructure. With the development ... -
Evaluation of Mechanical Properties and Microstructure for Laser Deposition Process and Welding Process
(2006-09-14)Laser Aided Manufacturing Process (LAMP) can be applied to repair steel die/molds which are currently repaired using traditional welding process in industry. In order to fully understand the advantages of laser deposition ... -
An Evaluation of Non-Stochastic Lattice Structures Fabricated Via Electron Beam Melting
(2006)Metal foam structures have many applications and can be used as structural supports, heat exchangers, shock absorbers, and implant materials. Stochastic metal foams having different cell sizes and densities have been ...
