Role of domain orientations in forming the hydrostatic performance of novel 2-2 single crystal/polymer composites

V Yu Topolov, C R Bowen, A V Krivoruchko

Research output: Contribution to conferencePaper

6 Citations (Scopus)

Abstract

This paper reports results of a detailed study of the effects of the crystallographic orientation on the performance of the 2-2 parallel-connected composites based on relaxor-ferroelectric single crystals of 0.72Pb(Mg 1/3Nb2/3)O3-0.28PbTiO3. These single crystals are poled along one of the following directions in the perovskite unit cell: [111] (single-domain state), [001] and [011] (polydomain states). The effect of the orientation of the main crystallographic axes in the single-crystal component on the hydrostatic piezoelectric coefficients d h , e h and g h, squared hydrostatic figure of merit d h g h and hydrostatic electromechanical coupling factor k h of the composites is studied for three cases of the poling direction of 0.72Pb(Mg1/3Nb2/3)O3-0. 28PbTiO3. Maximum values of the hydrostatic parameters in the 2-2 0.72Pb(Mg1/3Nb2/3)O3-0.28PbTiO3 / polyvinylidene fluoride composites are dh = 372 pC / N, gh = 284 mV.m / N, dh gh = 33.8.10 -12Pa-1, and kh = 0.361 (in the presence of the [011]-poled single crystal), and eh = 45.1 C / m2 (in the presence of the [111]-poled single crystal). The inequality k33 / |k3j | ≥ 5 (j = 1 and 2) is valid for the composite based on the [111]-poled single crystal under specific conditions. The composites exhibit remarkable properties, and the elastic and piezoelectric anisotropy of the single-crystal component (either [111]- or [011]-poled) plays an important role in achieving the large hydrostatic parameters

Original languageEnglish
Number of pages16
Publication statusPublished - 2013
Event7th International Seminar on Ferroelastic Physics, ISFP 2012 - Voromezh , Russian Federation
Duration: 1 Jan 197013 Sep 2013

Conference

Conference7th International Seminar on Ferroelastic Physics, ISFP 2012
CountryRussian Federation
CityVoromezh
Period1/01/7013/09/13

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hydrostatics
composite materials
single crystals
polymers
elastic anisotropy
vinylidene
figure of merit
fluorides
anisotropy
coefficients
cells

Cite this

Topolov, V. Y., Bowen, C. R., & Krivoruchko, A. V. (2013). Role of domain orientations in forming the hydrostatic performance of novel 2-2 single crystal/polymer composites. Paper presented at 7th International Seminar on Ferroelastic Physics, ISFP 2012, Voromezh , Russian Federation.

Role of domain orientations in forming the hydrostatic performance of novel 2-2 single crystal/polymer composites. / Topolov, V Yu; Bowen, C R; Krivoruchko, A V.

2013. Paper presented at 7th International Seminar on Ferroelastic Physics, ISFP 2012, Voromezh , Russian Federation.

Research output: Contribution to conferencePaper

Topolov, VY, Bowen, CR & Krivoruchko, AV 2013, 'Role of domain orientations in forming the hydrostatic performance of novel 2-2 single crystal/polymer composites' Paper presented at 7th International Seminar on Ferroelastic Physics, ISFP 2012, Voromezh , Russian Federation, 1/01/70 - 13/09/13, .
Topolov VY, Bowen CR, Krivoruchko AV. Role of domain orientations in forming the hydrostatic performance of novel 2-2 single crystal/polymer composites. 2013. Paper presented at 7th International Seminar on Ferroelastic Physics, ISFP 2012, Voromezh , Russian Federation.
Topolov, V Yu ; Bowen, C R ; Krivoruchko, A V. / Role of domain orientations in forming the hydrostatic performance of novel 2-2 single crystal/polymer composites. Paper presented at 7th International Seminar on Ferroelastic Physics, ISFP 2012, Voromezh , Russian Federation.16 p.
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AB - This paper reports results of a detailed study of the effects of the crystallographic orientation on the performance of the 2-2 parallel-connected composites based on relaxor-ferroelectric single crystals of 0.72Pb(Mg 1/3Nb2/3)O3-0.28PbTiO3. These single crystals are poled along one of the following directions in the perovskite unit cell: [111] (single-domain state), [001] and [011] (polydomain states). The effect of the orientation of the main crystallographic axes in the single-crystal component on the hydrostatic piezoelectric coefficients d h , e h and g h, squared hydrostatic figure of merit d h g h and hydrostatic electromechanical coupling factor k h of the composites is studied for three cases of the poling direction of 0.72Pb(Mg1/3Nb2/3)O3-0. 28PbTiO3. Maximum values of the hydrostatic parameters in the 2-2 0.72Pb(Mg1/3Nb2/3)O3-0.28PbTiO3 / polyvinylidene fluoride composites are dh = 372 pC / N, gh = 284 mV.m / N, dh gh = 33.8.10 -12Pa-1, and kh = 0.361 (in the presence of the [011]-poled single crystal), and eh = 45.1 C / m2 (in the presence of the [111]-poled single crystal). The inequality k33 / |k3j | ≥ 5 (j = 1 and 2) is valid for the composite based on the [111]-poled single crystal under specific conditions. The composites exhibit remarkable properties, and the elastic and piezoelectric anisotropy of the single-crystal component (either [111]- or [011]-poled) plays an important role in achieving the large hydrostatic parameters

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