Webber, Kyle G. ; Zuo, Ruzhong ; Lynch, Christopher S. (2008)
Ceramic and single-crystal (1–x)PMN–xPT constitutive behavior under combined stress and electric field loading.
In: Acta Materialia, 56 (6)
doi: 10.1016/j.actamat.2007.11.025
Article, Bibliographie
Abstract
Pb(Mg1/3Nb2/3)O3–0.32(PbTiO3), PMN–0.32PT, single crystals have been characterized under combined stress and electric field loading [McLaughlin EA, Liu T, Lynch CS. Relaxor ferroelectric PMN–32%PT crystals under stress and electric field loading: I-32 mode measurements. Acta Mater 2004;52:3849, McLaughlin EA, Liu T, Lynch CS. Relaxor ferroelectric PMN–32%PT crystals under stress, electric field and temperature loading: II-33-mode measurements. Acta Mater 2005;53:4001] [1], [2] and [3]. This approach is extended to PMN–0.26PT single crystals to explore the effect of composition on field driven phase transformations and to PMN–0.32PT ceramic specimens to compare with polycrystalline behavior. Electric displacement and strain were measured as a function of combinations of stress and both unipolar and bipolar electric fields. The single-crystal results indicate that compositions further from the morphotropic phase boundary require higher driving forces for field induced phase transformations. Evidence of these transformations is not apparent in the results from the ceramic specimens.
| Item Type: | Article |
|---|---|
| Erschienen: | 2008 |
| Creators: | Webber, Kyle G. ; Zuo, Ruzhong ; Lynch, Christopher S. |
| Type of entry: | Bibliographie |
| Title: | Ceramic and single-crystal (1–x)PMN–xPT constitutive behavior under combined stress and electric field loading |
| Language: | English |
| Date: | 8 April 2008 |
| Journal or Publication Title: | Acta Materialia |
| Volume of the journal: | 56 |
| Issue Number: | 6 |
| DOI: | 10.1016/j.actamat.2007.11.025 |
| Abstract: | Pb(Mg1/3Nb2/3)O3–0.32(PbTiO3), PMN–0.32PT, single crystals have been characterized under combined stress and electric field loading [McLaughlin EA, Liu T, Lynch CS. Relaxor ferroelectric PMN–32%PT crystals under stress and electric field loading: I-32 mode measurements. Acta Mater 2004;52:3849, McLaughlin EA, Liu T, Lynch CS. Relaxor ferroelectric PMN–32%PT crystals under stress, electric field and temperature loading: II-33-mode measurements. Acta Mater 2005;53:4001] [1], [2] and [3]. This approach is extended to PMN–0.26PT single crystals to explore the effect of composition on field driven phase transformations and to PMN–0.32PT ceramic specimens to compare with polycrystalline behavior. Electric displacement and strain were measured as a function of combinations of stress and both unipolar and bipolar electric fields. The single-crystal results indicate that compositions further from the morphotropic phase boundary require higher driving forces for field induced phase transformations. Evidence of these transformations is not apparent in the results from the ceramic specimens. |
| Uncontrolled Keywords: | Relaxor; Phase transformation; Ferroelectric; Constitutive behavior; Single-crystal |
| Divisions: | 11 Department of Materials and Earth Sciences 11 Department of Materials and Earth Sciences > Material Science 11 Department of Materials and Earth Sciences > Material Science > Elektromechanik von Oxiden 11 Department of Materials and Earth Sciences > Material Science > Nonmetallic-Inorganic Materials |
| Date Deposited: | 24 Jan 2013 12:45 |
| Last Modified: | 28 Feb 2014 09:11 |
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