Browsing 1998 International Solid Freeform Fabrication Symposium by Title
Now showing items 12-31 of 85
-
Designing Conformal Cooling Channels for Tooling
(1998)SFF technologies have demonstrated the potential to produce tooling with cooling channels which are conformal to the molding cavity. 3D Printed tools with conformal cooling channels have demonstrated simultaneous ... -
Development of a Binder Formulation for Fused Deposition of Ceramics
(1998)A new binder formulation has been developed for Fused Deposition of Ceramics (FDC) which consists of commercially-available polymer constituents.. This formulation was used. in conjunction with lead zirconate titanate ... -
Dimensional Issues in Stereolithography
(1998)New stereolithography photopolymers have recently been introduced that provide a wider range of functional properties similar to those of high-density polyethylene. One of the important criteria for these materials is ... -
Dimensional Variability Analysis ln Post-Processing Of Rapid Tooling
(1998)Rapid tooling for sand casting can be made by creating pattern with elements made by solid freeform fabrication (SFF) devices. Using this approach, post-processing and hand finishing remain as necessary steps to improve ... -
Direct Injection Molding Tooling Inserts from the SLS Process with Copper Polyamide
(1998)The "RapidTool" Short Run (SR) Tooling Process using the Copper Polyamide material provides a route to mold inserts for injection molding made directly in the Selective Laser Sintering machine. The STL files for the mold ... -
Direct Laser Fabrication of a Gas Turbine Engine Component - Microstructure and Properties - Part I
(1998)This paper presents the development of a new technique for the production of abrasive turbine blade tips by direct laser processing. This superalloy cermet component is an integral part of the low pressure turbine sealing ... -
Domain Decomposition and Space Filling Curves in Toolpath Planning and Generation
(1998)Ever increasing computer performance, along with significant developments in CADI CAM technology and high precision digital motion controllers lead to rapid and significant developments in the field ofrapid prototyping ... -
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 ...
