PMID: 9168393May 1, 1997Paper

Modeling the tensile behavior of the cement-bone interface using nonlinear fracture mechanics

Journal of Biomechanical Engineering
K A MannD C Ayers

Abstract

The tensile mechanical behavior of the cement-bone interface where there was a large process (plastic) zone at the interface was modeled using a nonlinear fracture mechanics approach. A finite element method was employed, which included a piecewise nonlinear interface, to investigate the behavior of experimental cement-bone test specimens and an idealized stem-cement-bone (SCB) structure. The interface model consisted of a linear elastic region with high stiffness until the yield strength was reached, followed by an exponential softening region, until zero stress. The yield strength and rate of exponential softening after yielding at the cement-bone interface were shown to have a marked effect on the structural stiffness of the SCB model. The results indicate that both yield strength and postyield behavior should be included to characterize the mechanics of the cement-bone interface fully.

References

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Citations

Nov 14, 2000·Journal of Biomedical Materials Research·X Wang, C M Agrawal
Nov 30, 1999·Journal of Biomechanics·K A MannD C Ayers
Oct 19, 2002·Dental Materials : Official Publication of the Academy of Dental Materials·Yiu-Fai MakDavid H Pashley
Jan 16, 2003·Biomaterials·P LucksanasomboolM V Swain
Jul 4, 2007·Journal of Biomechanics·M J Gómez-BenitoM Doblaré
May 7, 2014·Acta Orthopaedica·Nicholas A BeckmannSebastian Jaeger
Aug 22, 2002·Journal of Biomechanical Engineering·Kenneth A Mann, Leatha A Damron
Oct 18, 2003·The Journal of Bone and Joint Surgery. American Volume·Jove GrahamLisa Pruitt
Jun 15, 2006·Key Engineering Materials·J Tong
Feb 9, 2000·Acta Orthopaedica Scandinavica·R W CrawfordD W Murray
Sep 24, 2019·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Sait Kocak, Tezcan Sekercioglu

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