1998 / Solid Freeform Fabrication Proceedings
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Author Donald A. Klosterman (a), Richard P. Chartoff (a), Nora R. Osborne (a), George A. Graves (a), Allan Lightman (a), Gyoowan Han (a), Akos Bezeredi (a), Stan Rodrigues (a), Sung Pak (b), Gary Kalmanovich (b), Leon Dodin (b), Song Tu (b), (a) University of Dayton, (b) Helisys, Inc
Source Solid Freeform Fabrication Proceedings, 1998, pp 671-680
Abstract A novel rapid prototyping (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 structures made from ceramics and fibrous composites. A new LOM machine was developed that uses ceramic tapes and fiber prepregs as a feedstock and outputs a three dimensional green form. The green ceramic is then processed to a seamless, fully dense ceramic structure using traditional ceramic techniques. This report summarizes the new LOM process and necessary hardware. Also reviewed is the development of ceramic preforms and accompanying process technology for net shape fabrication of ceramic matrix composites (CMCs). Compared to making curved objects with the standard flat layer LOM process, the curved process affords the advantages of eliminated stair-step effect, increased build speed, reduced waste, reduced need for decubing, and the ability to maintain continuous fibers in the direction of curvature. (Auth abstract) [References: 5]
Solid Freeform Fabrication Proceedings can be obtained from: The Solid Freeform Fabrication Symposium
or contact:
The University of Texas at Austin
Laboratory for Freeform Fabrication / Texas Materials Institute
Mechanical Engineering Dept.
c/o The Solid Freeform Fabrication Symposium
MC C2200
Austin, TX 78712-1063 USA
512-471-3026; 512-471-7681 FX; Email: sffsymp@uts.cc.utexas.edu