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Technique for estimating fracture resistance of cultured neocartilage

  • Michelle Oyen-Tiesma
  • Robert F. Cook
Article

Abstract

Tensile tests on an artificial tissue of cultured neocartilage are described with a view to obtaining objective criteria for the onset of fracture and to estimating the tissue fracture resistance. The energy dissipation and compliance of the hyperelastic, hysteretic load-displacement responses exhibit great sensitivity to crack propagation during loading. A simple scheme is presented for deconvoluting the energy dissipated by cracking from an overall hysteresis loop and thus estimating the fracture resistance. The results suggest that the apparent fracture resistance of cultured neocartilage is determined by events localized to the crack and may exhibit a transient increase on initial crack extension. © 2001 Kluwer Academic Publishers

Keywords

Polymer Tensile Test Hysteresis Loop Energy Dissipation Great Sensitivity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  • Michelle Oyen-Tiesma
    • 1
  • Robert F. Cook
    • 1
  1. 1.Department of Chemical Engineering and Materials ScienceUniversity of MinnesotaMinneapolisUSA

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