Westram, Ilona ; Kungl, Hans ; Hoffmann, Michael J. ; Rödel, Jürgen (2009)
Influence of crystal structure on crack propagation under cyclic electric loading in lead–zirconate–titanate.
In: Journal of the European Ceramic Society, 29 (3)
doi: 10.1016/j.jeurceramsoc.2008.05.050
Article, Bibliographie
Abstract
Crack propagation under cyclic electric loading was studied in two non-commercial compositions of lead–zirconate–titanate and compared to earlier results from a commercial composition. These materials were chosen to provide a well-defined variation in crystal structure, ranging from rhombohedral to tetragonal, including a composition from the morphotropic phase boundary. The results are presented in terms of crack propagation as a function of various electric load amplitudes. While the crack propagation rates were of the same order of magnitude in all three compositions, fracture occurred in an either trans- or intergranular manner with crack extension either in the form of a singular crack, a microcrack zone or with extensive secondary cracking. These differences in crack propagation are discussed in the context of different piezoelectric material properties.
| Item Type: | Article |
|---|---|
| Erschienen: | 2009 |
| Creators: | Westram, Ilona ; Kungl, Hans ; Hoffmann, Michael J. ; Rödel, Jürgen |
| Type of entry: | Bibliographie |
| Title: | Influence of crystal structure on crack propagation under cyclic electric loading in lead–zirconate–titanate |
| Language: | English |
| Date: | February 2009 |
| Journal or Publication Title: | Journal of the European Ceramic Society |
| Volume of the journal: | 29 |
| Issue Number: | 3 |
| DOI: | 10.1016/j.jeurceramsoc.2008.05.050 |
| Abstract: | Crack propagation under cyclic electric loading was studied in two non-commercial compositions of lead–zirconate–titanate and compared to earlier results from a commercial composition. These materials were chosen to provide a well-defined variation in crystal structure, ranging from rhombohedral to tetragonal, including a composition from the morphotropic phase boundary. The results are presented in terms of crack propagation as a function of various electric load amplitudes. While the crack propagation rates were of the same order of magnitude in all three compositions, fracture occurred in an either trans- or intergranular manner with crack extension either in the form of a singular crack, a microcrack zone or with extensive secondary cracking. These differences in crack propagation are discussed in the context of different piezoelectric material properties. |
| Uncontrolled Keywords: | PZT; Mechanical properties; Ferroelectric properties; Microstructure |
| Additional Information: | SFB 595 Cooperation A1, A2 |
| Divisions: | 11 Department of Materials and Earth Sciences > Material Science 11 Department of Materials and Earth Sciences > Material Science > Nonmetallic-Inorganic Materials Zentrale Einrichtungen DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > A - Synthesis DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > A - Synthesis > Subproject A1: Manufacturing of ceramic, textured actuators with high strain DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > A - Synthesis > Subproject A2: Manufacturing and characterization of PZT-ceramics with defined defect chemistry 11 Department of Materials and Earth Sciences DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres DFG-Collaborative Research Centres (incl. Transregio) |
| Date Deposited: | 18 May 2011 15:39 |
| Last Modified: | 05 Mar 2013 09:48 |
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