Results 151 to 160 of about 2,492 (206)
On the Contribution of Electrostriction to Charge-Induced Stresses in Anodic Oxide Films
Electrochimica Acta, 2008 Electrostriction has been known for long as a major source of internal stress developing in oxide films during anodising. However, in many studies, the contribution of electrostriction is estimated using an oversimplified equation, leading to a ...
J Proost, J -F Vanhumbeeck
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Giant Electrostriction of Soft Nanocomposites Based on Liquid Crystalline Graphene
ACS Nano, 2018 International audienceHigh electromechanical coupling is critical to perform effective conversion between mechanical and electrical energy for various applications of electrostrictive polymers.
Wilfrid Neri +2 more
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Theory of Piezoelectricity, Electrostriction, and Pyroelectricity in Molecular Crystals
Journal of Chemical Physics, 2010 A microscopic theory is presented for piezoelectricity, electrostriction, and pyroelectricity in molecular crystals. The required coefficients are derived by combining a theoretical treatment of the dependence of molecular dipole moments on molecular ...
R W Munn
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Electrostriction in Field-Structured Composites: Basis for a Fast Artificial Muscle? [PDF]
Journal of Chemical Physics, 1999 The electrostriction of composites consisting of dielectric particles embedded in a gel or elastomer is discussed. It is shown that when these particles are organized by a uniaxial field before gelation, the resulting field-structured composites are ...
James E Martin, Robert A Anderson
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Electrostriction of anisotropic tissue
Physical Review E, 2007The electrostrictive effects in anisotropic tissue, such as muscle, are interesting and qualitatively different than in an isotropic material. A striking feature in anisotropic tissue is the presence of a charge distribution, which is absent in isotropic tissue.
Phillip, Prior, Bradley J, Roth
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Electrostriction and polarization
Ferroelectrics, 1992Abstract Electrostriction, the mechanical strain x resulting from electric polarization P, is a second order effect: x = QP 2. In this paper, the phenomenological and physical origins of the Q coefficients are discussed from a qualitative point of view.
V. Sundar, R. E. Newnham
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The electrostriction of dielectrics
Soviet Physics Journal, 1969The deformation of bodies in an electric field was first observed by Fontana [1] and Volpicelli [2], and Outer [3] analyzed the phenomenon quantitatively. Lippman predicted the phenomenon of electrostriction from general thermodynamic principles after the discovery of piezoelectricity by the Curie brothers [4].
A. S. Bogdanovich +4 more
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On the Molecular Theory of Electrostriction
Proceedings of the Physical Society. Section B, 1956In order to obtain a better understanding of the phenomenon of electrostriction, the particular case of a sphere of fluid dielectric, subjected to a uniform external field, is considered. The problem is discussed from both macroscopic and microscopic points of view.
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Electrostriction of polymethylmethacrylates
Colloid & Polymer Science, 1982Electrostriction of tactic polymethylmethacrylates in response to step-on and step-offdc-fields was investigated in the field strength range from 1 to 5 MV m−1 at room temperature; one example of electrostriction under sinusoidal field is given. Three principal retardation time regions were found: τ1=1.5 s, τ2=30 s, and τ3=140 s, each field strength ...
K. Ohara, M. Hennecke, J. Fuhrmann
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Electrostriction of triglycinesulfate
Ferroelectrics, 1980Abstract By means of a neutron double crystal spectrometer, the deformation was measured as a function of the dielectric displacement and the isothermal electrostrictive coefficients obtained. Simultaneously the isothermal dielectric coefficients were determined. The sample was the same as for the investigation of the thermal expansion. Deviations from
Karl-Heinz Ehses, Herbert Meister
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