Galai Yousef, S. ; Rödel, Jürgen ; Fuller, E ; Zimmermann, A. ; El-Dasher, B. S. (2005)
Microcrack Evolution in Alumina Ceramics: Experiment and Simulation.
In: Journal of the American Ceramic Society, 88 (10)
doi: 10.1111/j.1551-2916.2005.00312.x
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
Thermal expansion induced spontaneous microcracking in large-grained polycrystalline alumina was analyzed using experimental techniques as well as numerical simulations. A microstructure-based finite-element model (object oriented finite-element analysis) was used to simulate the accumulation of microcrack damage upon cooling, taking the measured real crystallographic orientations of the grains into account. Crack initiation and propagation were simulated using a Griffith-type fracture criterion. The computed evolution of Young's modulus as a function of temperature and grain size was compared with the corresponding experimental results.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2005 |
| Autor(en): | Galai Yousef, S. ; Rödel, Jürgen ; Fuller, E ; Zimmermann, A. ; El-Dasher, B. S. |
| Art des Eintrags: | Bibliographie |
| Titel: | Microcrack Evolution in Alumina Ceramics: Experiment and Simulation |
| Sprache: | Englisch |
| Publikationsjahr: | Oktober 2005 |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Journal of the American Ceramic Society |
| Jahrgang/Volume einer Zeitschrift: | 88 |
| (Heft-)Nummer: | 10 |
| DOI: | 10.1111/j.1551-2916.2005.00312.x |
| Kurzbeschreibung (Abstract): | Thermal expansion induced spontaneous microcracking in large-grained polycrystalline alumina was analyzed using experimental techniques as well as numerical simulations. A microstructure-based finite-element model (object oriented finite-element analysis) was used to simulate the accumulation of microcrack damage upon cooling, taking the measured real crystallographic orientations of the grains into account. Crack initiation and propagation were simulated using a Griffith-type fracture criterion. The computed evolution of Young's modulus as a function of temperature and grain size was compared with the corresponding experimental results. |
| Fachbereich(e)/-gebiet(e): | 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Nichtmetallisch-Anorganische Werkstoffe 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft 11 Fachbereich Material- und Geowissenschaften |
| Hinterlegungsdatum: | 18 Mai 2011 15:20 |
| Letzte Änderung: | 05 Mär 2013 09:47 |
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