Functionally Graded Alumina Toughened Zirconia Components made by Ceramic Vat Photo Polymerization (CerAM VPP)

ISSN online 2612-4882
ISSN print 2612-4408

Press Register No. 3/19, Court of Forlì
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Eric Schwarzer^a, Uwe Scheithauer^a, Stefan Holtzhausen^b, Claudia Ortmann^c, Thomas Oberbach^c, Tassilo Moritz^a, Alexander Michaelis^a
^aFraunhofer Institute for Ceramic Technologies and Systems IKTS, Dresden, Germany
^bTechnical University Dresden, Lehrstuhl für Konstruktionstechnik/CAD, Dresden, Germany
^cMathys Orthopädie GmbH, Mörsdorf, Germany

https://doi.org/10.29272/cmt.2018.0015

Abstract

Technological progress in the field of additive manufacturing (AM) as a shaping method is inexorably advancing. In particular, AM provides the possibility to manufacture functionally graded components using a voxel model method. In medical technology, especially in implantology, these new structures can open new applications. In order to increase the ingrowth of cells into an implant, a function-optimized structure with a defined porosity gradient seems to be advantageous. In addition, ceramic implants are known for their excellent biocompatibility. From the material side, alumina toughened zirconia is a particularly interesting material. In combination with AM processes, completely new possibilities arise for the production of novel implants. Vat photo polymerization of ceramics (CerAM VPP), also known as lithography-based ceramic manufacturing (LCM), is suitable to realize defined and filigree structures. This article will show results from the process development for CerAM VPP of ATZ components with a defined graded porosity.

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