Fatigue crack propagation in polymethylmethacrylate bone cements

Timothy M. Wright, Raymond Robinson

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The fatigue crack propagation behaviour of a conventional polymethylmethacrylate (PMMA) bone "cement" was examined and compared with those of a low-viscosity PMMA cement and a carbon-fibre reinforced PMMA cement. The low-viscosity PMMA cement, developed for use in cement pressurization systems, did not differ significantly from conventional PMMA cement in its crack propagation behaviour. The carbon-fibre reinforced PMMA cement exhibited crack propagation rates which were approximately an order of magnitude less than those of conventional PMMA at the same range of stress intensity factor. Fractography of the test specimens revealed separation around prepolymerized PMMA beads and void formation around barium sulphate particles. Examination of carbon reinforced PMMA specimens showed poor mechanical bonding between the carbon fibres and the PMMA with considerable fibre pull-out and evidence of fibre breakage.

Original languageEnglish
Pages (from-to)2463-2468
Number of pages6
JournalJournal of Materials Science
Volume17
Issue number9
DOIs
StatePublished - Sep 1 1982
Externally publishedYes

Fingerprint

Bone cement
Bone Cements
crack propagation
Polymethyl Methacrylate
cements
Fatigue crack propagation
bones
Cements
Carbon fibers
carbon fibers
Crack propagation
Viscosity
Fractography
viscosity
fractography
Pressurization
Fibers
Barium
fibers
stress intensity factors

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials
  • Materials Science(all)

Cite this

Fatigue crack propagation in polymethylmethacrylate bone cements. / Wright, Timothy M.; Robinson, Raymond.

In: Journal of Materials Science, Vol. 17, No. 9, 01.09.1982, p. 2463-2468.

Research output: Contribution to journalArticle

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