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Investigations on laser sintering of ceramic slurries

Untersuchungen zum Lasersintern keramischer Schlicker
: Klocke, F.; Derichs, C.; Ader, C.; Demmer, A.


Production Engineering. Research and development 1 (2007), No.3, pp.279-284
ISSN: 0944-6524
ISSN: 1863-7353
Journal Article
Fraunhofer IPT ()
schnelle Fertigung; Laserstrahlsintern; keramische Masse; Schlicker; keramisches Trocknen; Keramik; Dichte=Masse; Porosität; mathematisches Modell; Prozessmodell; experimentelle Untersuchung; Oxidkeramik; Zirkoniumdioxid; Sinterkeramik; Verfahrensparameter; Rauigkeit; Suspension

For almost two decades, layer manufacturing techniques have assisted the product development at various stages from the operational point of view. Laser sintering is a powder-based layer manufacturing technology. Since the beginning of the 1990s, laser sintering of ceramic materials has been investigated academically. Since laser sintered bodies are porous correlating with a comparatively low strength, industrial use is still limited. This paper provides a knowledge base for laser sintering of ceramic suspensions. Therefore a model based on system analysis is generated, which is sub-divided into a drying and a process model. Furthermore experimental investigations with different high-performance oxide ceramic slurries (for examples, zirconia) are conducted in order to approve the estimations of the model.
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