Browsing 1999 International Solid Freeform Fabrication Symposium by Department "Mechanical Engineering"
Now showing items 1-20 of 48
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Agile Product Testing with Constrained Prototypes
(1999)The means to acquire reliable functional information is a critical factor that differentiates product development time and cost. Thanks to advances in solid freeform fabrication techniques, industries can produce geometrically ... -
Application of Design of Experiments to Extrusion Freeform Fabrication (EFF) of Functional Ceramic Prototypes
(1999)Extrusion Freeform Fabrication (EFF) is an adaptation of the Stratasys Fused Deposition Modeling (FDM) process for the Solid Freeform Fabrication (SFF) of functional ceramic prototypes. It is a complex process involving ... -
Application of Genetic Algorithms in the Design of Multi-Material Structures Manufactured in Rapid Prototyping
(1999)Recent developments in the Rapid Prototyping technology establish it as a new manufacturing technique, enabling localized material addition to build a part. Thus, heterogeneous structures, consisting of more than one ... -
Atmospheric Control during Direct Selective Laser Sintering of Stainless Steel 314S Powder
(1999)Stainless steel grade 314S powders have been Selective Laser Sintered (SLS) in three different argon/air (oxygen) atmospheric mixtures. The amount of oxygen present during the heating, melting and fusing of the metal ... -
Automated Layer Decomposition for Additive/Subtractive Solid Freeform Fabrication
(1999)The new additive/subtractiye technology (Shape. Deposition Manufacturing) enhances Solid Freeform Fabrication (SFF) capability inproducing near net-shape surface finish. This. technology also builds parts in fewer layers ... -
Automated Planning for Material Shaping Operations in Additive/Subtractive Solid Freeform Fabrication
(1999)Combining the advantages of layered manufacturing and material removal processes, additive/subtractive solid freeform fabrication (A/S SFF) can build parts with complex shapes without compromising precision requirements. ... -
Coated Feedstock for Fabrication of Ceramic Parts by CAM-LEM
(1999)In laminated object manufacturing of ceramic components, lamination is one of the most important materials issues. Good lamination ensures monolithic component after firing. Otherwise, lamination defects that inevitably ... -
Computer-Aided Process Planning for automatic generation of 3D digitizing process for laser sensors
(1999)This paper introduces some results of a research work carried out on the automation of digitization process ofcomplex parts using a precision 3D-laser sensor. It will be presented a new way to scan automatically a complex ... -
Cryogenic Mechanical Alloying of Poly (ether ether ketone) - Polycarbonate Composite Powders for Selective Laser Sintering
(1999)Mechanical alloying is a solid state processing technique traditionally used in the metallurgical industry to extend solubility limits in alloy systems. Mechanical alloying can also be used to blend polymer systems at ... -
Direct Fabrication of Polymer Composite Structures with Curved LOM
(1999)This report describes the application of Curved LOM to the direct fabrication of polymer matrix composites (PMCs). The overall methodology of directly fabricating PMC parts involved the use of the Curved LOM machine to ... -
Direct Laser Fabrication of High Performance Metal Components Via SLS/HIP
(1999)Recent research in the area of direct freeform fabrication of components via selective laser sintering/hot isostatic pressing (SLS/HIP) has focused on the processing of Alloy 625. Alloy 625 is a nickel-based superalloy ... -
An Ejection Mechanism Design Method for AIM Tools
(1999)One of the key advantages of AIM tooling is time savings when producing small batch production quality parts. However, designing suitable ejection mechanisms is becoming a bottleneck. There are two goals of this paper. ... -
Extrusion Freeform Fabrication of Functional Ceramic PrototypeS
(1999)Extrusion Freeforming (EFF) and Fused Deposition Modeling (FDM) processes are established freeforming techniques capable of fabricating complex shaped ceramic prototypes by the sequential deposition and solidification ... -
Fractal Growth Modeling of Electrochemical Deposition in Solid Freeform Fabrication
(1999)A new rapid tooling technique ElectroChemical Liquid Deposition Based Solid Freeform Fabrication (ECLD-SFF) was introduced in this paper. In the ECLD-SFF a substrate made of or coated with conductive materials is connected ... -
Functionally Gradient Material Design and Modeling Using Hypertexture for Solid Freeform Fabrication
(1999)SFF technologies have the potential to become manufacturing process that are capable of producing parts that have not been feasible by other techniques. The fabrication of Functionally Gradient Material (FGM) is one of ... -
Heterogeneous Solids: Possible Representation Schemes
(1999)Solid freeform fabrication processes allow parts to be built with accuracy and mechanical integrity, permittingthem to be used in tooling or fOrlnandfit applications. There is already a need form~lti ..color Parts.for ... -
Implementation and Evaluation of Novel Buildstyles in Fused Deposition Modeling (FDM)
(1999)Previous investigations have shown that the optimization of extrusion dynamics in .conjunction with the buildstyle pattern is of paramount importance to increase part quality in Fused Deposition Modeling (FDM). Recently ... -
An Interactive Virtual System for Simulation and Optimization of Rapid Prototyping
(1999)The paper describes the development of a computer system for simulation and optimization of rapid prototyping (RP) processes. The system provides a test-bed for virtual prototyping by integrating product design and RP ... -
A Knowledge-based Decision Support System for RP&M Process Selection
(1999)Due to the large variety of RP&M material/machines and the. strengths/weaknesses associated with different RP&M processes, the decision·to select a suitableRP&M system becomes increasingly difficult. This paper presents ...
