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Current Directions in Biomedical Engineering

Joint Journal of the German Society for Biomedical Engineering in VDE and the Austrian and Swiss Societies for Biomedical Engineering

Editor-in-Chief: Dössel, Olaf

Editorial Board: Augat, Peter / Buzug, Thorsten M. / Haueisen, Jens / Jockenhoevel, Stefan / Knaup-Gregori, Petra / Kraft, Marc / Lenarz, Thomas / Leonhardt, Steffen / Malberg, Hagen / Penzel, Thomas / Plank, Gernot / Radermacher, Klaus M. / Schkommodau, Erik / Stieglitz, Thomas / Urban, Gerald A.


CiteScore 2018: 0.47

Source Normalized Impact per Paper (SNIP) 2018: 0.377

Open Access
Online
ISSN
2364-5504
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Mechanical anisotropy of titanium scaffolds

Numerical simulation and biomechanical verification of anisotropic titanium scaffolds

Jasmine Rüegg
  • University of Applied Sciences Northwestern Switzerland, FHNW, School of Life Sciences, Institute for Medical and Analytical Technologies, Gründenstrasse 40, CH-4132 Muttenz, Switzerland
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/ Ralf Schumacher
  • University of Applied Sciences Northwestern Switzerland, FHNW, School of Life Sciences, Institute for Medical and Analytical Technologies, Gründenstrasse 40, CH-4132 Muttenz, Switzerland
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/ Franz E Weber
  • Universität Zürich, Zentrum für Zahnmedizin/MKG, Oral Biotechnology & Bioengineering, Plattenstrasse 11, 8032 Zürich, Switzerland
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/ Michael de Wild
  • Corresponding author
  • University of Applied Sciences Northwestern Switzerland, FHNW, School of Life Sciences, Institute for Medical and Analytical Technologies, Gründenstrasse 40, CH-4132 Muttenz, Switzerland
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Published Online: 2017-09-07 | DOI: https://doi.org/10.1515/cdbme-2017-0127

Abstract

The clinical performance of an implant, e.g. for the treatment of large bone defects, depends on the implant material, anchorage, surface topography and chemistry, but also on the mechanical properties, like the stiffness. The latter can be adapted by the porosity. Whereas foams show isotropic mechanical properties, digitally modelled scaffolds can be designed with anisotropic behaviour. In this study, we designed and produced 3D scaffolds based on an orthogonal architecture and studied its angle-dependent stiffness. The aim was to produce scaffolds with different orientations of the microarchitecture by selective laser melting and compare the angle-specific mechanical behaviour with an in-silico simulation. The anisotropic characteristics of open-porous implants and technical limitations of the production process were studied.

Keywords: Porous metallic scaffold; anisotropy; structure; biomechanical testing

About the article

Published Online: 2017-09-07


Citation Information: Current Directions in Biomedical Engineering, Volume 3, Issue 2, Pages 607–611, ISSN (Online) 2364-5504, DOI: https://doi.org/10.1515/cdbme-2017-0127.

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©2017 Jasmine Rüegg et al., published by De Gruyter. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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