1999 / Solid Freeform Fabrication Proceedings
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Author Rolf Pfeifer (a), Liwu Wang (b), Peter Eyerer (a), (a) Institute of Polymer Testing and Polymer Science, (b) Max-Planck Institut fur Metallforschung and INAM
Source Solid Freeform Fabrication Proceedings, 1999, pp 623-630
Abstract A novel near-net shape process for the rapid production of complex-shaped ceramic prototypes has been developed. By using a newly developed in situ temperature induced forming (TIF) technology, concentrated ceramic slurries are vacuum cast into a mold, which has been produced in a rapid tooling process. The tooling process enables the production of complex- shaped molds which allow powerless demolding. The TIF technology enables the change of particle potential in the slurry from a repulsive into a weakly attractive particle network during consolidation. In combination of TIF- and rapid tooling technology a green body with a high and homogeneous density without any cracks can be realized. (Auth abstract) [References: 3]
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