Browsing 2006 International Solid Freeform Fabrication Symposium by Title
Now showing items 7-26 of 68
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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 ... -
Expanding Rapid Prototyping for Electronic Systems Integration of Arbitrary Form
(2006-09-14)An innovative method for rapid prototyping (RP) of electronic circuits with components characteristic of typical electronics applications was demonstrated using an enhanced version of a previously developed hybrid ... -
Exploiting the Design Freedom of RM
(2006)This paper details how Rapid Manufacturing (RM) can overcome the restrictions imposed by the inherent process limitations of conventional manufacturing techniques and become the enabling technology in fabricating optimal ... -
Fab@Home: The Personal Desktop Fabricator Kit
(2006)Solid freeform fabrication has the potential to revolutionize manufacturing, perhaps even to allow consumers to customize and manufacture goods cost-effectively in their own home. At present, the florescence of the ... -
Freeform Bioprinting of Liver Encapsulated in Alginate Hydrogels Tissue Constructs for Pharmacokinetic Study
(2006)An in vitro model that can be realistically and inexpensively used to predict human response to various drug administration and toxic chemical exposure is needed. By fabricating a microscale 3D physiological tissue ... -
Freeform Extrusion of High Solids Loading Ceramic Slurries, Part I: Extrusion Process Modeling
(2006-09-14)A novel solid freeform fabrication method has been developed for the manufacture of ceramic-based components in an environmentally friendly fashion. The method is based on the extrusion of ceramic slurries using water ... -
Freeform Extrusion of High Solids Loading Ceramic Slurries, Part II: Extrusion Process Control
(2006-09-14)Part I of this paper provided a detailed description of a novel fabrication machine for high solids loading ceramic slurry extrusion and presented an empirical model of the ceramic extrusion process, with ram velocity ...
