Reliability assessment in advanced nanocomposite materials for orthopaedic applications

Jérôme Chevalier, Paola Taddei, Laurent Gremillard, Sylvain Deville, Gilbert Fantozzi, J. F. Bartolomé, C. Pecharroman, J. S. Moya, L. A. Diaz, R. Torrecillas, Saverio Affatato

Research output: Contribution to journalArticlepeer-review

Abstract

Alumina-zirconia nano-composites were recently developed as alternative bearing materials for orthopedics. Previous, preliminary reports show that such alumina-zirconia nanocomposites exhibit high crack resistance and low wear rate. In this paper, additional information is given in terms of wear, crack resistance and ageing behaviour: femoral heads are inspected after 7 million cycles of wear testing on a hip simulator, crack resistance is measured and compared to other ceramics used today in orthopedics, slow crack growth is reported under static and cyclic fatigue, and aging resistance is assessed. We also report on the load to failure of femoral heads prototypes during compression tests. This overall reliability assessment ensures a potential future development for these kinds of new nanocomposites in the orthopedic field.

Original languageEnglish
Pages (from-to)303-314
Number of pages12
JournalJournal of the Mechanical Behavior of Biomedical Materials
Volume4
Issue number3
DOIs
Publication statusPublished - Apr 2011

Keywords

  • AFM
  • Aging resistance
  • Ceramic nano-composites
  • Crack resistance
  • Photoluminescence
  • SEM

ASJC Scopus subject areas

  • Biomaterials
  • Biomedical Engineering
  • Mechanics of Materials

Fingerprint

Dive into the research topics of 'Reliability assessment in advanced nanocomposite materials for orthopaedic applications'. Together they form a unique fingerprint.

Cite this