Sintering of 3D-Printed Glass/HAp Composites

被引：60

作者：

Winkel, Alexander ^{[1
]}

Meszaros, Robert ^{[1
]}

Reinsch, Stefan ^{[2
]}

Mueller, Ralf ^{[2
]}

Travitzky, Nahum ^{[1
]}

Fey, Tobias ^{[1
]}

Greil, Peter ^{[1
]}

Wondraczek, Lothar ^{[1
]}

机构：

[1] Univ Erlangen Nurnberg, Dept Mat Sci & Engn, Chair Glass & Ceram, D-91058 Erlangen, Germany

[2] BAM Fed Inst Mat Res & Testing, D-12484 Berlin, Germany

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2012年 / 95卷 / 11期

关键词：

BIOACTIVE GLASS; RIGID INCLUSIONS; TAPE CAST; 45S5; CERAMICS; CRYSTALLIZATION; BIOGLASS(R); REACTIVITY; PARTICLES; SCAFFOLDS;

D O I：

10.1111/j.1551-2916.2012.05368.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

081705 [工业催化]; 082905 [生物质能源与材料];

摘要：

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.

引用

页码：3387 / 3393

页数：7

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