Publication detail

Bioceramic scaffolds fabrication: indirect 3D printing combined with ice-templating vs. robocasting

ROLEČEK, J. PEJCHALOVÁ, L. MARTÍNEZ-VÁZQUEZ, F. MIRANDA GONZÁLEZ, P. SALAMON, D.

Original Title

Bioceramic scaffolds fabrication: indirect 3D printing combined with ice-templating vs. robocasting

Type

journal article in Web of Science

Language

English

Original Abstract

Ice-templating combined with indirect 3D printing is proposed as a promising method for preparation of scaffolds with multiscale porosity, including a well-defined interconnected macro-channel network. Robocasting was used as a comparative technique to produce scaffolds with comparable porosity at the introduced macroporosity and the inter-grain microporosity levels. Porosity, phase composition and mechanical stability were measured and compared for bio-scaffolds prepared by both techniques. Comparable total porosities could only be achieved in robocasting by choosing a significantly lower sintering temperature (950 degrees C vs. 1200 degrees C). The compressive strength of robocast scaffolds was significantly greater (6.5 +/- 1.19 MPa vs. 2.3 +/- 1.00 MPa, respectively). However, the increased level of interconnected multiscale porosity coupled to a finer grain size of ice-templated samples sintered at 1200 degrees C (similar to 500 nm vs. 2.5 mu m for robocast parts) could prove to be beneficial for the development of highly porous bioactive scaffolds with enhanced biological performance.

Keywords

Ice-templating, Robocasting,Indirect 3D printing, Whitlockite, Hydroxyapatite

Authors

ROLEČEK, J.; PEJCHALOVÁ, L.; MARTÍNEZ-VÁZQUEZ, F.; MIRANDA GONZÁLEZ, P.; SALAMON, D.

Released

1. 4. 2019

ISBN

0955-2219

Periodical

Journal of the European Ceramic Society

Year of study

39

Number

4

State

United Kingdom of Great Britain and Northern Ireland

Pages from

1595

Pages to

1602

Pages count

8

URL

https://www.sciencedirect.com/science/article/pii/S0955221918307246?via%3Dihub

BibTex

@article{BUT151664,
  author="Jakub {Roleček} and Lucie {Mařáková} and F.J. {Martínez-Vázquez} and P. {Miranda González} and David {Salamon}",
  title="Bioceramic scaffolds fabrication: indirect 3D printing combined with ice-templating vs. robocasting",
  journal="Journal of the European Ceramic Society",
  year="2019",
  volume="39",
  number="4",
  pages="1595--1602",
  doi="10.1016/j.jeurceramsoc.2018.12.006",
  issn="0955-2219",
  url="https://www.sciencedirect.com/science/article/pii/S0955221918307246?via%3Dihub"
}