Schrade, David ; Müller, Ralf (2015)
Simulation of Size Effects in Ferroelectric Materials using a Phase Field Model.
In: PAMM — Proceedings in Applied Mathematics and Mechanics, 15 (1)
doi: 10.1002/pamm.201510004
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
An electro-mechanically coupled phase field model for domain evolution in ferroelectric materials is presented. The inner length scale introduced by the model gives rise to size effects, especially in the context of the poling behavior of polycrystals. Such size effects are investigated by 2D numerical simulations for barium titanate polycrystals. Ferroelectric hysteresis curves and coercive fields are calculated for two different transition conditions for the order parameter at the grain boundaries. The results show that there is a significant size effect for the investigated polycrystal systems. (© 2015 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim)
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2015 |
| Autor(en): | Schrade, David ; Müller, Ralf |
| Art des Eintrags: | Bibliographie |
| Titel: | Simulation of Size Effects in Ferroelectric Materials using a Phase Field Model |
| Sprache: | Englisch |
| Publikationsjahr: | 2015 |
| Verlag: | Wiley |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | PAMM — Proceedings in Applied Mathematics and Mechanics |
| Jahrgang/Volume einer Zeitschrift: | 15 |
| (Heft-)Nummer: | 1 |
| DOI: | 10.1002/pamm.201510004 |
| URL / URN: | https://onlinelibrary.wiley.com/doi/abs/10.1002/pamm.2015100... |
| Kurzbeschreibung (Abstract): | An electro-mechanically coupled phase field model for domain evolution in ferroelectric materials is presented. The inner length scale introduced by the model gives rise to size effects, especially in the context of the poling behavior of polycrystals. Such size effects are investigated by 2D numerical simulations for barium titanate polycrystals. Ferroelectric hysteresis curves and coercive fields are calculated for two different transition conditions for the order parameter at the grain boundaries. The results show that there is a significant size effect for the investigated polycrystal systems. (© 2015 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim) |
| Fachbereich(e)/-gebiet(e): | 13 Fachbereich Bau- und Umweltingenieurwissenschaften 13 Fachbereich Bau- und Umweltingenieurwissenschaften > Fachgebiete der Mechanik 13 Fachbereich Bau- und Umweltingenieurwissenschaften > Fachgebiete der Mechanik > Fachgebiet Kontinuumsmechanik |
| Hinterlegungsdatum: | 04 Mai 2022 05:22 |
| Letzte Änderung: | 04 Mai 2022 05:22 |
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