Recent Submissions

  • Net Shape Fabrication of SiC and SiC/SiC Components Using Laminated Object Manufacturing (LaM): Overall Process Flowchart 

    Klosterman, Don; Chartoff, Richard; Osborne, Nora; Graves, George; Lightman, Allan; Bezeredi, Akos (1998)
  • Properties of a High Temperature Liquid Crystal Stereolithography Resin 

    Chartoff, R.P.; Schultz, J.W.; Bhatt, J.; Ullett, J.S. (1998)
    A liquid crystal monomer has been developed that contains both acrylate and acetylene reactive groups. The curing behavior and mechanical properties ofthe polymers formed from this monomer have been characterized in this ...
  • Composites with Gradient Properties From Solid Freeform Fabrication 

    Gervasi, V.R.; Crockett, R.S. (1998)
    TetraCast is a build style developed by Milwaukee School ofEngineering involving stereolithography patterns produced with an open cellular structure inside a surface shell. Composites are created using this pattern as a ...
  • Automated Fabrication of Complex Molded Parts Using Mold SOM 

    Cooper, A.G.; Kang, S.; Kietzman, J.W.; Prinz, F.B.; Lombardi, J.L.; Weiss, L. (1998)
    Mold Shape Deposition Manufacturing (Mold SDM) is a Solid Freeform Fabrication technique for producing complex shaped fugitive wax molds. A vari~ty of castable. polymer and ceramic materials have been used to make parts ...
  • Fabrication ofCurved Ceramic / Polymer Composite Transducers for Ultrasonic Imaging Applications by Fused Deposition of Ceramics 

    Lous, G.M.; Cornejo, I.A.; McNulty, T.F.; Safari, A.; Danforth, S.C. (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 ...
  • Functionally Optimized Ceramic Structures 

    Gasdaska, C.; Clancy, R.; Ortiz, M.; Jamalabad, V.; Virkar, Anil; Popovitch, Dragan (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 ofspatially ...
  • Recent Developments in Robocasting of Ceramics and MultimaterialDeposition 

    Cesarano Ill, Joseph; King, Bruce H.; Denham, Hugh B. (1998)
    Robocasting is a freeform fabrication technique for dense ceramics and composites that is based on layer-wise.deposition of highly loaded colloidalslurries. The process is essentially binderless with lessthan 1% organics ...
  • Features in Layered Manufacturing of Heterogeneous Objects 

    Qian, Xiaoping; Dutta, Debasish (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 ...
  • Virtual Simulation for Multi-material LM Process 

    Qiu, Dan; Langrana, Noshir A.; Danforth, Stephen C.; Safar, Ahmad; Jafar, Mohsen (1998)
    In an ONR funded MURI program, to improve quality of multi-material parts, we've been developing an advanced computer simulation for the multi-material layered manufacturing (LM) process. The CAD models and their .stLfiles ...
  • Curved Layer LOM ofCeramics and Composites 

    Klosterman, Donald A.; Chartoff, Richard P.; Osborne, Nora R.; Graves, George A.; Lightman, Allan; Han, Gyoowan; Bezeredi, Akos; Rodrigues, Stan (1998)
    A novel rapidprototyping (RP) technology incorporating a curved layer building style has been developed. The new process,based on Laminated Object Manufacturing (LOM), is suited for efficient fabrication of curved layer ...
  • Binder Formulation in EVA-wax system for Fused Deposition of Ceramics 

    Pekin, Senol; Zangvil, Avigdor; Ellingson, William (1998)
    Blends in the ethylene vinyl acetate (EVA) - wax system have been evaluated as potential binders.to be used in fused deposition of ceramics (FDC). In order to obtain good handling strength, it was indicated that the ...
  • A Study on Weight Loss Rate Controlled Binder Removal From Parts Produced by FDC 

    Pekin, Senol; Bukowski, John; Zangvil, Avigdor (1998)
    The binder removal schedule of a binder in the ethylene vinyl acetate-wax system was analyzed by automatically adjusting the soaking duration based on the monitored weight loss of the polymer. The thermolysis of several ...
  • Generation of Porous Structures Using. Fused.D~position 

    M., Bertoldi; Yardimci, M. A; Pistor, C. M; Guceri, S.I; Danforth, S. C. (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 ...
  • Automated Fabrication of Nonresorbable Bone Implants Using Laminated Object Manufacturing (LOM 

    Steidle, Cheri; Klosterman, Don; Osborne, Nora; Graves, George; Chartoff, Richard (1998)
  • Processing of Bioceramic Implants Via Fused Deposition Process 

    Bose, Susmita; Avila, Marisol; Bandyopadhyay, Amit (1998)
    Porous ceramic structures have long been a subject of investigation as bone sl..bstitute. Most of these porous structures are typically made by techniques that result .randomly arranged pores with a wide variety of pore ...
  • Materials for Biomedical Applications 

    Barlow, J. W; Lee, G.; Aufdemorte, T. B.; Fox, W. C; Swain, L.D.; Vail, N.K (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 ...
  • Development of a Binder Formulation for Fused Deposition of Ceramics 

    McNulty, Thomas F.; Cornejo, Ivan; Mohammadi, Farhad; Danforth, Stephen C.; Safari, Ahmad (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 ...
  • Selective Laser Sintering of Zirconium Silicate 

    Klocke, F.; Wirtz, H. (1998)
    The Fraunhofer Institute of Production Technology (IPT) and the Fraunhofer Institute of Laser Technology (ILT) have joined forces in a project dedicated to Selective Laser Sintering (SLS) ofmetals and ceramics, funded ...
  • Titanium Casting Molds via Selective Laser Sintering 

    Harlan, Nicole; Bourell, David; Beaman, Joe (1998)
    A mold material system has been developed that can be SLS processed and used to cast titanium alloys. Stabilized zirconia, chosen forits low reactivity with molten titanium, has been sintered into mold shapes. The molds ...
  • Mechanical Behavior of Robocast Alumina 

    Denham, Hugh B.; Cesarano III, Joseph; King, Bruce H.; Calvert, Paul (1998)
    Direct fabrication of alumina parts by robocasting was completed. This method is based on three-dimensional deposition of binderless aqueous alumina slurries. Parts were made with different deposition paths and ...

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