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2014 | Buch

The Piezoelectric Medium and Its Electromechanical Properties Kapitel lesen Erstes Kapitel lesen

Piezo-Active Composites

Orientation Effects and Anisotropy Factors

verfasst von: Vitaly Yu. Topolov, Paolo Bisegna, Christopher R. Bowen

Verlag: Springer Berlin Heidelberg

Buchreihe : Springer Series in Materials Science

Enthalten in: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik"

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Über dieses Buch

The book is devoted to the problem of microgeometry properties and anisotropy relations in modern piezo-active composites. These materials are characterized by various electromechanical properties and remarkable abilities to convert mechanical energy into electric energy and vice versa. Advantages of the performance of the composites are discussed in the context of the orientation effects, first studied by the authors for main connectivity patterns and with due regard to a large anisotropy of effective piezoelectric coefficients and electromechanical coupling factors. The novelty of the book consists in the systematization results of orientation effects, the anisotropy of piezoelectric properties and their role in forming considerable hydrostatic piezoelectric coefficients, electromechanical coupling factors and other parameters in the composites based on either ferroelectric ceramic or relaxor-ferroelectric single crystals.

Inhaltsverzeichnis

Frontmatter
Chapter 1. The Piezoelectric Medium and Its Electromechanical Properties
Abstract
An effect that links a mechanical action (mechanical stress or strain) with an electric response (electric field, displacement or polarisation) is the piezoelectric effect or, more exactly, the direct piezoelectric effect [1].
Vitaly Yu. Topolov, Paolo Bisegna, Christopher R. Bowen
Chapter 2. Orientation Effects in Single-Domain Single Crystals
Abstract
Full sets of electromechanical constants of perovskite-type relaxor-ferroelectrics of solid solutions of PMN–xPT and PZN–xPT are often measured on polydomain or domain-engineered SC samples (see for instance, Refs. [1–6]).
Vitaly Yu. Topolov, Paolo Bisegna, Christopher R. Bowen
Chapter 3. Orientation Effects and Anisotropy of Properties in 2–2 and Related Composites
Abstract
The 2–2 connectivity pattern of a composite [1–3] is a structure where there are two types of layers which are alternating in a certain direction.
Vitaly Yu. Topolov, Paolo Bisegna, Christopher R. Bowen
Chapter 4. Orientation Effects and Anisotropy of Properties in 1–3 and Related Composites
Abstract
In a 1–3 composite, the first component is piezo–active (poled FC, ferroelectric SC etc.) and self-connected in one dimension, and the second component, either piezo–passive or exhibiting a low piezoelectric activity, is self-connected in three dimensions [1–3]. A typical example of such a composite consists of a system of parallel thin piezo–active rods which are regularly distributed in a large matrix [4–6], and the poling direction is parallel to each rod. The 1–3 connectivity is wide-spread due to favourable poling conditions and a variety of advantages over the piezo-active FC and SC components [2, 4–7].
Vitaly Yu. Topolov, Paolo Bisegna, Christopher R. Bowen
Chapter 5. Orientation Effects and Anisotropy of Properties in 0–3 Composites
Abstract
A piezo-active composite with 0–3 connectivity represents a system of isolated inclusions (either FC or ferroelectric SC) in a large matrix that may be either a polymer or FC.
Vitaly Yu. Topolov, Paolo Bisegna, Christopher R. Bowen
Chapter 6. Conclusions
Abstract
Current challenges in the research field of composite materials are associated with the extension of the field of these materials from structural composites to functional and multifunctional composites [1] with the effective properties that depend on a large number of factors.
Vitaly Yu. Topolov, Paolo Bisegna, Christopher R. Bowen
Backmatter
Metadaten
Titel
Piezo-Active Composites
verfasst von
Vitaly Yu. Topolov
Paolo Bisegna
Christopher R. Bowen
Copyright-Jahr
2014
Verlag
Springer Berlin Heidelberg
Electronic ISBN
978-3-642-38354-0
Print ISBN
978-3-642-38353-3
DOI
https://doi.org/10.1007/978-3-642-38354-0

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