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
Article, Bibliographie
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.
| Item Type: | Article |
|---|---|
| Erschienen: | 2005 |
| Creators: | Galai Yousef, S. ; Rödel, Jürgen ; Fuller, E ; Zimmermann, A. ; El-Dasher, B. S. |
| Type of entry: | Bibliographie |
| Title: | Microcrack Evolution in Alumina Ceramics: Experiment and Simulation |
| Language: | English |
| Date: | October 2005 |
| Journal or Publication Title: | Journal of the American Ceramic Society |
| Volume of the journal: | 88 |
| Issue Number: | 10 |
| DOI: | 10.1111/j.1551-2916.2005.00312.x |
| 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. |
| Divisions: | 11 Department of Materials and Earth Sciences > Material Science > Nonmetallic-Inorganic Materials 11 Department of Materials and Earth Sciences > Material Science 11 Department of Materials and Earth Sciences |
| Date Deposited: | 18 May 2011 15:20 |
| Last Modified: | 05 Mar 2013 09:47 |
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