Use of compact sandwich specimen to determine the critical strain energy release rate of bone

S. P. Paruchuru, X. Wang, C. M. Agrawal

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The current methods to measure bone fracture toughness were initially developed for engineering materials and use specimen configurations that demand large samples. However, in many cases it is hard if not impossible to obtain such specimens from limited bone stock. Therefore, a new compact sandwich (CS) test method was formulated to measure the critical strain energy release rate (a measure of fracture toughness) of bone requiring only small samples. This technique may be used to assess bone fracture toughness and subsequently the bone quality.

Original languageEnglish (US)
Pages (from-to)249-253
Number of pages5
JournalBio-Medical Materials and Engineering
Volume17
Issue number4
StatePublished - Jul 6 2007

Keywords

  • Compact sandwich (CS) specimen
  • Elastic compliance
  • Energy release rate (G)
  • Finite element analysis (FEA)
  • Fracture toughness
  • Stress intensity factor (K)

ASJC Scopus subject areas

  • Biomaterials
  • Biomedical Engineering

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