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Showing 1 to 12 of 12 for “"electrostriction"”.
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Stress Concentrations in Three-Dimensional Electrostriction
Made available in DSpace on 2014-12-10T17:25:37Z (GMT). No. of bitstreams: 1 6612428.pdf: 1071869 bytes, checksum: b1f1bebfd84d5c64b7f2a150e89c1856 (MD5) Previous issue date: 1966
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Ionic volumes, compressibilities and electrostriction of electrolyte solutions.
A theory of electrostriction of solvent water near ions is developed. The treatment is based on a calculation of the effective pressure which would, in the absence of the field, cause the she change in volume as does the field. It is shown that when the dissolution process is from the crystalline …
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Dielectric elastomer composites: analytical and numerical non-convex homogenization methods and applications
… to exhibit extreme enhancements in their electrostriction capabilities. It is posited that such extreme enhancements are the manifestation of interphasial phenomena. In particular, the presence of interphasial free charges that oscillate rapidly in space at the length scale of the …
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Dielectric and electromechanical properties of barium and zirconium co-doped sodium bismuth titanate
… at room temperature. Ultra-high room temperature electrostriction was observed in co-doped (Ba + Zr) NBT polycrystals (NBT-14BT-4NBZ) and <100> single crystals (NBT-12BT-4NBZ), up to 0.24% and 0.45% strain, respectively, with negligible hysteresis at 0.05 Hz. Polycrystals with d₃₃ of up to 780 …
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Nanophotonics for tailoring light-matter interaction/
… are coupled through optical forces such as electrostriction force and radiation pressure. We develop a general method of calculating SBS gain via the overlap integral between optical and elastic modes. Applying this method to a rectangular waveguide, we demonstrate that the distribution of …
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Instability of Dielectric Elastomer Actuators
… how such instabilities are related to electrostriction. Regarding DE composites, the goal is to evaluate in detail the behaviour of two-phase rank-1 laminates in terms of different types of actuation, geometric and mechanical properties of phases, applied boundary conditions, and …
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Stimulated Brillouin scattering in an on-chip microdisk resonator
… scattered light reinforces the acoustic wave by electrostriction or by optical absorption. SBS is considered to be the strongest material level optical nonlinearity with many applications including SBS lasers, microwave oscillators, optical phase conjugation and slow light. Nonlinear optical …
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The electromechanical effect in bone
… the electromechanical effect in bone through the electrostriction effect and conclude that although this theory may be applicable to some polymers, it is not applicable to bone. We also suggest that the electromechanical effect observed in poled polyvinylidene fluoride in cantilever bending may be …
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Deposition and characterisation of bismuth layer-structured ferroelectric films
… were observed across the film surface. Effective electrostriction coefficient (Qeff) of a PLD-grown BSmT film was measured, showing that BSmT films had better piezoelectric properties (higher Qeff, higher dzz) than SBT films, un-doped BiT ceramics and films. It suggests that BSmT films are …
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Keer electro-optic measurements in liquid dielectrics
… in a single measurement. The major cause is electrostriction which brings disturbances into optical detection. The calculated spatial variation has a strong nonlinear dependence on the applied voltage, which generates a precursory indicator of the electrical breakdown initiation. This result …
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Electromechanical Characterization of Poly(Dimethyl Siloxane) Based Electroactive Polymers
… Maxwell's effect, ferroelectricity, electrostriction to name a few. These electroactive materials can be employed in several applications such as biomedical devices, robots, MEMs, aerospace vehicles, where the application is governed by the specific mechanism. However in order for the …
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Study of Synthesis, Reactions and Enantiomerization of C<sub>α</sub>-Chiral Grignard Reagents
The development of chiral organometallics for asymmetric synthesis is a topic of significant research in the recent past. The most studied in this class are the chiral organolithium reagents with many reported examples. The primary focus of our research is the development of C<sub>α</sub>-chiral …