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Ceramic and single-crystal (1–x)PMN–xPT constitutive behavior under combined stress and electric field loading

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
Artikel, Bibliographie

Kurzbeschreibung (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.

Typ des Eintrags: Artikel
Erschienen: 2008
Autor(en): Webber, Kyle G. ; Zuo, Ruzhong ; Lynch, Christopher S.
Art des Eintrags: Bibliographie
Titel: Ceramic and single-crystal (1–x)PMN–xPT constitutive behavior under combined stress and electric field loading
Sprache: Englisch
Publikationsjahr: 8 April 2008
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Acta Materialia
Jahrgang/Volume einer Zeitschrift: 56
(Heft-)Nummer: 6
DOI: 10.1016/j.actamat.2007.11.025
Kurzbeschreibung (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.

Freie Schlagworte: Relaxor; Phase transformation; Ferroelectric; Constitutive behavior; Single-crystal
Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Elektromechanik von Oxiden
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Nichtmetallisch-Anorganische Werkstoffe
Hinterlegungsdatum: 24 Jan 2013 12:45
Letzte Änderung: 28 Feb 2014 09:11
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