Browsing 1998 International Solid Freeform Fabrication Symposium by Title
Now showing items 19-38 of 85
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EFAB: Batch Production of Functional, Fully-Dense Metal Parts with Micron-Scale Features
(1998)EFAB (Electrochemical FABrication) is a new SFF process with the potential to economically fabricate prototypes or mass production quantities of functional, mesoscale-microscale parts and mechanisms. EFAB generates an ... -
Effective Mechanisms of Multiple LED Photographic Curing
(1998)Multiple LED Photographic Curing (MPC) has proven capable of drawing cross sections of three-dimensional objects like printing a sheet of paper. Using raster scanning, however, simultaneously exposing a photopolymer with ... -
Enhanced controlling of the SLS Process during a build
(1998)Current commercial Rapid Prototyping (RP) systems like Stereolithography (3D Systems Corporation) and Selective Laser Sintering (DTM Corporation) use galvanometers from General Scanning Inc. (GSI) for the positioning of ... -
Fabrication of Curved Ceramic / Polymer Composite Transducers for Ultrasonic Imaging Applications by Fused Deposition of Ceramics
(1998)Fused Deposition of Ceramics (FDC), developed at Rutgers University, is a Solid Freeform Fabrication (SFF) technique where a three-dimensional green ceramic object is built layer by layer, starting from a Computer Aided ... -
Feasibility of Fabricating Metal Parts from 17-4PH Stainless Steel Powder
(1998)17-4 PH stainless steel is known to provide an attractive combination of high strength and corrosion resistance. In this research, the feasibility of SFF fabrication of high density parts using PH powder is examined. A ... -
Features in Layered Manufacturing of Heterogeneous Objects
(1998)The usage of features in computer aided design and manufacturing has increased significantly over the last decade. By and large, all such features are geometric (form features). In this paper, we shall discuss the need ... -
Functionally Optimized Ceramic Structures
(1998)The feasibility of using the Fused Deposition of Ceramics (FDC) process to rapidly fabricate functional quality advanced ceramic components has been demonstrated multiple extrusion heads enable the deposition of spatially ... -
Gas-Phase Selective Area Laser Deposition(SALD) Joining of SiC Tubes with SiC Filler Materia
(1998)The laser-driven, gas-phase based SFF technique for joining together ceramic components with ceramic filler material, known as Selective Area Laser Deposition(SALD) Joining, was utilized in fabricating joined silicon ... -
Generation of Porous Structures Using Fused Deposition
(1998)The Fused Deposition Modeling process uses hardware and software machine-level language that are very similar to that of a pen-plotter. Consequently, the·use of patterns with poly-lines as basic geometric features, instead ... -
Geometry Processing for SLS/HIP
(1998)SLS/HIP is a new net shape manufacturing method that combines the strengths of direct selective laser sintering and hot isostatic pressing. Direct selective laser sintering is a rapid manufacturing technique that ... -
Industrial Use of Direct Metal Laser Sintering
(1998)The Direct Metal Laser Sintering (DMLS) process was developed a few years ago by Electrolux Rapid Development (ERD) and EOS. DMLS has now been in commercial use for more than two years at Electrolux and also at other ... -
Influence of Rheology on Deposition Behavior of Ceramic Pastes in Direct Fabrication Systems
(1998)Rheology and deposition behavior offour commercially available thick-film inks and an aqueous alumina slurry were investigated using two different slurry-based deposition systems. The first ofthese deposition systems, a ... -
Investigation of Short Pulse Nd:YAG Laser Interaction with Stainless Steel Powder Beds
(1998)The development of metallic object construction has occurred at quite a pace over the last five years with provision of many commercial techniques such as indirect and direct sintering of metal powder beds. Although ... -
Laser Polishing of Silica Rods
(1998)Lasers have been widely used in surface modification. In this research a CO2 continuous wave laser has been used to polish the slot surface of the silica rods. The strong absorption of the lO.6 um C02 radiation by the ... -
Machine Design, Control and Performance of Automated Computer-Aided Manufacturing of Laminated Engineering Materials
(1998)This paper describes machine design and control aspects of automating a viable CAM-LEM layered manufacturing process. The cut-then-stack sheet-based approach permits using sheet materials of different thicknesses, enabling ... -
Material Strength in Polymer Shape Deposition Manufacturing
(1998)Shape Deposition Manufacturing (SDM) is a layered manufacturing process involving an iterative combination of material addition and material removal. Polymer SDM processes have used castable thermoset resins to build a ... -
Materials for Biomedical Applications
(1998)This paper discusses two ceramic material systems for selective laser sintering (SLS) that are being developed for biomedical applications for use in repair of bone defects. SLS is the preferred method of fabricating ... -
Materials Issues in Laminated Object Manufacturing of Powder-Based Systems
(1998)Laminated object manufacturing offine ceramic and powder metallurgy components can be carried out using either the cut-then-stack or stack-then-cut motif. With either approach, it is necessary to effect laser cutting to ...