Browsing 1996 International Solid Freeform Fabrication Symposium by Issue Date
Now showing items 1-20 of 71
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Process Insight About LOM Systems
(1996)A Laminated Object Manufacturing (LOM) machine offers much freedom in terms ofsystem parameters: laser cutting speed, laser power setting, roller speed, roller temperature, and so on. Because ofthis freedom, users can ... -
Structural Composites Via Laminated Object Manufacturing (LOM)
(1996)An innovative, rapid prototyping (RP) technology is being adapted for the automated manufacture of composite tools and molds. The technology is a direct extension ofthe Laminated Object Manufacturing (LaM) process. LaM ... -
Rapid Prototyping of Mg/SiC Composites by a Combined SLS and Pressureless Infiltration Process
(1996)The expanding market for metal matrix composites (MMCs) presents a unique niche application for rapid prototyping I manufacturing. MMCs are well suited to RP for two reasons. First, these relatively new high performance ... -
Soft Tooling for Low Production Manufacturing of Large Structures
(1996)A new technique for building large prototypes from layered substrate relies on a higher order construction algorithm to produce accurate prototypes from thick layers. The process is capable ofproducing a 4' by 8' by 20' ... -
Biocompatibility of SLS-Formed Calcium Phosphate Implants
(1996)A method for fabricating artificial calcium phosphate bone implants by the Selective Laser Sintering (SLS) process has been developed that can fabricate complex and delicate calcium phosphate bone facsimiles from a variety ... -
Progress in Computer-Aided Manufacturing of Laminated Engineering Materials Utilizing Thick, Tangent-Cut Layers
(1996)This paper presents recent progress in extending the CAM-LEM process to 5-axis laser cutting for fabrication of laminated engineering components directly from sheet materials. The present extensions enable construction ... -
Selective Laser Sintering of High Performance High Temperature Materials
(1996)Hot Isostatic Pressing (HIP) of high performance metal parts is currently done using either a shaped metal container or a pre-fabricated ceramic mold depending on the part material and geometry. An alternative method of ... -
Rapid Prototyping using Electrodeposition of Copper
(1996)Injection mould cavities and EDM electrodes were produced from High Speed Selective Jet Electrodeposition (HSSJE). The performance ofthe electrodes in the EDM process and the surface finish ofthe tools produced were ... -
Mechanical and Dimensional Characteristics of Fused Deposition Modeling Build Styles
(1996)As rapid prototyping becomes more prominent, industry relies more on the mechanical properties of the builds. Fused Deposition Modeling (FDM) tensile samples were constructed and tested in order to characterize the mechanical ... -
Laser Cutting of Ceramic Composite Layers
(1996)The Laminated, Object Manufacturing (LOM) process lends itself to use of a variety of materials that can be delivered in sheet format. Studies are underway to investigate the use of monolithic and fiber reinforced ... -
Recent Developments in Extrusion Freeform Fabrication (EFF) Utilizing Non-Aqueous Gel Casting Formulations
(1996)Extrusion Freeform Fabrication (EFF) was shown to be an extremely versatile method for fabricating Functionally Graded Materials (FGMs) The approach is inexpensive and potentially feasible for grading between any ... -
Processing of Piezocomposites via Solid Freeform Fabrication (SFF)
(1996)Fused Deposition and Sanders prototyping were used to manufacture PZT-polymer composites with various architecture for transducer applications. Two separate processing routes, direct and indirect, were utilized to make ... -
Metal and Ceramic Components made via CAM-LEM Technology
(1996)CAM-LEM (Computer-Aided Manufacturing ofLaminated Engineering Materials) is an SFF technology suitable for many engineering materials for which feedstock is available in sheet form; lamination and post-processing procedures ... -
Forced Convection in a Polymeric Powders
(1996)In a Selective Laser Sintering (SLS) powder bed, thermal transfer occurs through multiple modes. Forced convection through the powder, or downdraft, has recently been implemented in SLS machines in an effort to enhance ... -
Fused Deposition of Ceramics (FDC) for Structural Silicon Nitride Components
(1996)Fused Deposition of Ceramics is aI! SFF tec~que based on comm~rcial FDMTM ~echno.logy, f?r fabrication of structural and functIonal cerannc components. ThIS study descnbes, ill detail, process improvements made in pre-FDC, ... -
Finite Element Analysis and Strain Gauging of the Stereolithography/Investment Casting System
(1996)Many metal parts have been produced from stereolithography (SL) models via the investment casting route. However, it is still not possible for every foundry to directly use SL models as thermally expendable patterns and ... -
Metal Processing Using Selective Laser Sintering and Hot Isostatic Pressing (SLSIHIP)
(1996)In July of 1995 the Office of Naval Research (ONR) awarded a contract to Loral Vought Systems entitled Low Cost Metal Processing Using SLSIHIP. The two-phase, four-year program is co-sponsored by ONR and the Defense ...
