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Rapid Prototyping of functional metallic and ceramic parts using the multiphase jet solidification (MJS) process

Rapid Prototyping funktioneller metallischer und keramischer Bauteile mit dem Multiphase Jet Solidification Verfahren
: Greul, M.; Pintat, T.; Greulich, M.

Cadle, T.M.; Narasimhan, K.S. ; Metal Powder Industries Federation -MPIF-, Princeton/N.J.:
Advances in Powder Metallurgy and Particulate Materials 1996. Proceedings
Princeton: MPIF, 1996
ISBN: 1-87895-459-8
World Congress on Powder Metallurgy and Particulate Materials <1996, Washington/DC.>
Conference Paper
Fraunhofer IFAM ()
ceramic prototype; cost reduction; keramischer Prototyp; metallic prototype; metallischer Prototyp; powder technology; process development; Pulvertechnologie; Rapid Prototyping; Verfahrensentwicklung; Wirtschaftlichkeit

Changing requirements in the manufacturing industry have led to a high demand of a fast availability of all kinds of prototypes during the last years. Due to the increasing number of product variants accompanied by a higher part complexity and decreasing product life cycles with a shorter requested time of delivery a steady requirement of prototypes have been induced. In order to fulfill the demand for the direct production of metallic and ceramic prototypes for functional application and testing, a new process named Multiphase Jet Solidification (MJS) has been developed, able to produce metallic or ceramic parts. The MJS process uses powder-binder mixtures (e.g. 316L, Ti, A1203, SiC) that are squeezed through a computer controlled nozzle. The parts are manufactured layer by layer. Subsequently the binder is removed and the green part is sintered to reach final density. Experiences and results with this new technique are presented. In this paper the working principle of this new techno logy is described, the state of the art and latest results are shown.