Journal article
(Original article)

Sintering of 3D-Printed Glass/HAp Composites

Publication Details
Author(s): Winkel A, Meszaros R, Reinsch S, Mueller R, Travitzky N, Fey T, Greil P, Wondraczek L
Publisher: Wiley-Blackwell
Publication year: 2012
Volume: 95
Pages range: 3387-3393
ISSN: 0002-7820


We report the sintering of 3D-printed composites of 13-93 bioactive glass and hydroxyapatite (HAp) powders. The sintering process is characterized on conventionally produced powder compacts with varying HAp content. A numeric approximation of the densification kinetics is then obtained on the basis of Frenkel, Mackenzie-Shuttleworth, and Einstein-Roscoe models, and optimized sintering conditions for 3D-printed structures are derived. Fully isotropic sintering of complex cellular composites is obtained by continuous heating to 750 degrees C at a rate of 2 K/min for a HAp content of 40 wt%. The approach can readily be generalized for printing and sintering of similar glass-ceramic composites.

How to cite
APA: Winkel, A., Meszaros, R., Reinsch, S., Mueller, R., Travitzky, N., Fey, T.,... Wondraczek, L. (2012). Sintering of 3D-Printed Glass/HAp Composites. Journal of the American Ceramic Society, 95, 3387-3393.

MLA: Winkel, Alexander, et al. "Sintering of 3D-Printed Glass/HAp Composites." Journal of the American Ceramic Society 95 (2012): 3387-3393.

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