Fracture mechanism of interpenetrating iron-tricalcium phosphate composite

Miroslava Horynová, Mariano Casas-Luna, Edgar B. Montufar, Sebastian Diaz-De-La-Torre, Ladislav Celko, Lenka Klakurková, Guillermo Diéguez-Trejo, Karel Dvorak, Tomas Zikmund, Jozef Kaiser

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

The usage of iron alloys for bone fractures treatment has been limited due to its high density and elastic modulus, as compared to bone. In contrast, the use of tricalcium phosphate (TCP), a ceramic that promotes bone healing, is mostly limited by its brittle nature. In the present work the fracture mechanism of a novel iron-TCP interpenetrated composite fabricated by spark plasma sintering was studied. Specimens were subjected to a diametral tensile-strength-test. The work of fracture was determined by indirect tensile loading conditions using the diametral tensile strength test. The results revealed that iron has a clear toughening effect on the microstructure of tricalcium phosphate specimens consolidated by spark plasma sintering. This is a promising result to overcome the limited usage of tricalcium phosphate to treat only non-load bearing bone defects.

Original languageEnglish
Title of host publicationMaterials Structure and Micromechanics of Fracture VIII
EditorsPavel Sandera
PublisherTrans Tech Publications Ltd
Pages331-336
Number of pages6
ISBN (Print)9783038356264
DOIs
StatePublished - 2017
Externally publishedYes
Event8th International Conference on Materials Structure and Micromechanics of Fracture, MSMF8 - Brno, Czech Republic
Duration: 27 Jul 201629 Jul 2016

Publication series

NameSolid State Phenomena
Volume258 SSP
ISSN (Print)1012-0394
ISSN (Electronic)1662-9779

Conference

Conference8th International Conference on Materials Structure and Micromechanics of Fracture, MSMF8
Country/TerritoryCzech Republic
CityBrno
Period27/07/1629/07/16

Keywords

  • Calcium phosphate
  • Composite
  • Fracture
  • Iron
  • Mechanical testing
  • Micro-tomography

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