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  4. Characterizing dental enamel’s mechanical properties from milli- to nanometer length scales
 
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Characterizing dental enamel’s mechanical properties from milli- to nanometer length scales

Citation Link: https://doi.org/10.15480/882.1072
Other Titles
Charakterisierung der mechanischen Eigenschaften des Zahnschmelzes von Milli-bis Nanometer-Längenskalen
Publikationstyp
Doctoral Thesis
Date Issued
2012
Sprache
English
Author(s)
Ang, Siang Fung  
Advisor
Schneider, Gerold A.  
Title Granting Institution
Technische Universität Hamburg
Place of Title Granting Institution
Hamburg
Examination Date
2012-07-13
Institut
Keramische Hochleistungswerkstoffe M-9  
TORE-DOI
10.15480/882.1072
TORE-URI
http://tubdok.tub.tuhh.de/handle/11420/1074
The structure-mechanical properties relationship of dental enamel (made of apatite fibers and a small amount of organics and water) was studied. Enamel’s elastic moduli, elastic/inelastic transition were quantified and the toughening mechanisms were identified for different hierarchical levels. During creep, the interrod regions are able to dissipate higher irreversible energy compared to the enamel rod regions. For enamel fracture, the crack tip toughness, the bridging stresses and size of the cohesive zone at the crack-tip were quantified.
Subjects
Zahnschmelz
Mechanische Eigenschaft
Kraftmikroskopie
Bruchmechanik
Kriechen
Zähigkeit
Viskosität
enamel
hydroxyapatite
compression
nanoindentation
fracture
toughness
elastic/inelastic transition
energy
creep
viscoelasticity
DDC Class
620: Ingenieurwissenschaften
Lizenz
http://doku.b.tu-harburg.de/doku/lic_mit_pod.php
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