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Elasticity and strength of bone and bone replacement materials

  • Kartonierter Einband
  • 188 Seiten
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Strength of bone and bone replacement materials are predicted, from their composition and microstructure, by means of multiscale m... Weiterlesen
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Beschreibung

Strength of bone and bone replacement materials are predicted, from their composition and microstructure, by means of multiscale models. The theoretical developments are supported by comprehensive experiments on cortical bone and on biomaterials made of hydroxyapatite, glass-ceramic, and titanium. Brittle failure of interfaces between isotropic, spherical crystals is investigated as well as an alternative approach using crystal needles for hydroxyapatite biomaterials. A model for cortical bone strength is presented, based on a new vision on bone material failure: mutual ductile sliding of hydroxyapatite mineral crystals along layered water films is followed by rupture of collagen crosslinks. It can satisfactorily predict the strength of different bones from different species, on the basis of their mineral/collagen content, their porosities, and the mechanical properties of hydroxyapatite and (molecular) collagen.

Autorentext

Andreas Fritsch is postdoctoral researcher at Vienna Universityof Technology (TU Wien), Austria, where he received his diplomain civil engineering (MSc, 2005) and his doctorate in engineeringsciences (PhD, 2009). His research interests are related tomechanics of bone and biomaterials, including multiscalemicromechanics modeling.



Klappentext

Strength of bone and bone replacement materials arepredicted, from their composition and microstructure,by means of multiscale models. The theoreticaldevelopments are supported by comprehensiveexperiments on cortical bone and on biomaterials madeof hydroxyapatite, glass-ceramic, and titanium.Brittle failure of interfaces between isotropic,spherical crystals is investigated as well as analternative approach using crystal needles forhydroxyapatite biomaterials. A model for corticalbone strength is presented, based on a new vision onbone material failure: mutual ductile sliding ofhydroxyapatite mineral crystals along layered waterfilms is followed by rupture of collagen crosslinks.It can satisfactorily predict the strength ofdifferent bones from different species, on the basisof their mineral/collagen content, their porosities,and the mechanical properties of hydroxyapatite and(molecular) collagen.

Produktinformationen

Titel: Elasticity and strength of bone and bone replacement materials
Untertitel: A multiscale continuum micromechanics approach
Autor:
EAN: 9783838105079
ISBN: 978-3-8381-0507-9
Format: Kartonierter Einband
Herausgeber: Südwestdeutscher Verlag für Hochschulschriften AG
Genre: Sonstiges
Anzahl Seiten: 188
Gewicht: 296g
Größe: H220mm x B150mm x T11mm
Jahr: 2015