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2003
Conference Paper
Titel
Laser sintering of complex-shaped ceramic prototypes
Abstract
The process consisting of Selective Laser Sintering and posttreatment is an efficient and successful technique for the fast and direct production of complex-shaped ceramic prototypes. Parts with complicated interior structures, filigree sections, undercuts and free-form surface areas can be produced. Coupling of material-oriented and technical process modules has enabled the laser-sintering technology to become viable for industrial application using ceramic powders such as silicon carbide. This paper presents the optimized sintering and infiltration steps of the manufacturing process. Properties of laser-sintered parts made of Si SiC are discussed in comparison with those made using traditional sintering techniques. In conclusion recommendations for the practical use of the technique are given.