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Abgeschlossene Forschungsprojekte

Fracture mechanics of acrylic bone cement

Objective

Establishment of a novel method to characterize fracture mechanical properties of acrylic bone cement.

Motivation

  • Fracture properties highly relevant for the durability of cemented endoprostheses
  • Better understanding of bone cements
  • Decision-making support for surgeons

Results

Developed and successfully applied the wedge splitting protocol. It was possible to investigate post-yield behaviour.

Publication in progress.

Project partner

Heraeus

Publications

In progress

Collagen fleeces for surgical use

Properties of collagen fleeces

  • Bioresorbable
  • Hemostatic
  • Possibility to integrate local antibiotic shield
  • Poor mechanical strength in wet condition

Objective

Development of fleece capable of antibiotic drug delivery with better mechanical properties in wet condition.

Project partners

Medical University Graz: Prof. Weinberg and Prof. Marth

Heraeus

Freudenberg

Publications

In Progress

Fracture mechanical characterization of bone tissue

Objective

Determination of fracture mechanical properties (notch tensile strength, specific fracture energy/crack resistance and specific crack initiation energy) of cortical and trabecular bone compared to the growth plate.

Project partner

Medical University Graz: Prof. Weinberg

Publications

Celarek et al. "Fracture patterns of the growth plate and surrounding bone in the ovine knee joint at different ages"

Tschegg et.al "Frac- ture properties of growth plate cartilage compared to cortical and trabecular bone in ovine femora"

Versuchsreihen in einem Wiener Gründerzeithaus

Im Zuge des Projekts wurden unter anderem die folgenden Thematiken untersucht:

  •     die Schubfestigkeit von Bestandsmauerwerk
  •       die Schubfestigkeit von Dippelbaumdecken

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