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This book provides an overview of the current state of the art in
novel piezo-composites based on ferroelectrics. Covering aspects
ranging from theoretical materials simulation and manufacturing and
characterization methods, to the application and performance of
these materials, it focuses on the optimization of the material
parameters. Presenting the latest findings on modern composites and
highlighting the applications of piezoelectric materials for
sensors, transducers and hydro-acoustics, the book addresses an
important gap in the physics of active dielectrics and materials
science and describes new trends in the research on ferroelectric
composites.
This book is devoted to the systematic description of the role of
microgeometry of modern piezo-active composites in the formation of
their piezoelectric sensitivity. In five chapters, the authors
analyse kinds of piezoelectric sensitivity for piezo-active
composites with specific connectivity patterns and links between
the microgeometric feature and piezoelectric response. The role of
components and microgeometric factors is discussed in the context
of the piezoelectric properties and their anisotropy in the
composites. Interrelations between different types of the
piezoelectric coefficients are highlighted. This book fills a gap
in piezoelectric materials science and provides readers with data
on the piezoelectric performance of novel composite materials that
are suitable for sensor, transducer, hydroacoustic,
energy-harvesting, and other applications.
This book covers the topic of vibration energy harvesting using
piezoelectric materials. Piezoelectric materials are analyzed in
the context of their electromechanical coupling, heterogeneity,
microgeometry and interrelations between electromechanical
properties. Piezoelectric ceramics and composites based on
ferroelectrics are advanced materials that are suitable for
harvesting mechanical energy from vibrations using inertial energy
harvesting which relies on the resistance of a mass to acceleration
and kinematic energy harvesting which couples the energy harvester
to the relative movement of different parts of a source. In
addition to piezoelectric materials, research efforts to develop
optimization methods for complex piezoelectric energy harvesters
are also reviewed. The book is important for specialists in the
field of modern advanced materials and will stimulate new effective
piezotechnical applications.
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.
This book covers the topic of vibration energy harvesting using
piezoelectric materials. Piezoelectric materials are analyzed in
the context of their electromechanical coupling, heterogeneity,
microgeometry and interrelations between electromechanical
properties. Piezoelectric ceramics and composites based on
ferroelectrics are advanced materials that are suitable for
harvesting mechanical energy from vibrations using inertial energy
harvesting which relies on the resistance of a mass to acceleration
and kinematic energy harvesting which couples the energy harvester
to the relative movement of different parts of a source. In
addition to piezoelectric materials, research efforts to develop
optimization methods for complex piezoelectric energy harvesters
are also reviewed. The book is important for specialists in the
field of modern advanced materials and will stimulate new effective
piezotechnical applications.
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.
This book provides an overview of the current state of the art in
novel piezo-composites based on ferroelectrics. Covering aspects
ranging from theoretical materials simulation and manufacturing and
characterization methods, to the application and performance of
these materials, it focuses on the optimization of the material
parameters. Presenting the latest findings on modern composites and
highlighting the applications of piezoelectric materials for
sensors, transducers and hydro-acoustics, the book addresses an
important gap in the physics of active dielectrics and materials
science and describes new trends in the research on ferroelectric
composites.
This book is devoted to the systematic description of the role of
microgeometry of modern piezo-active composites in the formation of
their piezoelectric sensitivity. In five chapters, the authors
analyse kinds of piezoelectric sensitivity for piezo-active
composites with specific connectivity patterns and links between
the microgeometric feature and piezoelectric response. The role of
components and microgeometric factors is discussed in the context
of the piezoelectric properties and their anisotropy in the
composites. Interrelations between different types of the
piezoelectric coefficients are highlighted. This book fills a gap
in piezoelectric materials science and provides readers with data
on the piezoelectric performance of novel composite materials that
are suitable for sensor, transducer, hydroacoustic,
energy-harvesting, and other applications.
This monograph provides researchers, engineers, postgraduates and
lecturers working in the field of ferroelectric or piezoelectric
and related materials with features of the structure-property
relationships in modern piezo-active composites. These are
piezoelectric composites which are active dielectric materials,
which can be poled ferroelectric ceramics or domain-engineered
single crystals poled along specific crystallographic directions.
Current knowledge of the effective physical properties of these
materials is lacking especially due to gaps of information in
physical, chemical, microgeometric and technological factors. For
composite and transducer design purposes, the expected properties
of these piezo-active materials have been theorized through models
by the authors and proven in experiments. Various well-known
journals have published this research, among many others: Smart
Materials and Structures; Journal of Physics D: Applied Physics;
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency
Control; Acta Materialia.The book summarises and generalises a
series of authors' works on the problem of the effective properties
and related parameters of modern two- and three-component
piezo-active composites wherein the microgeometric factor plays the
dominating role. Specific examples of the performance of composites
based on domain-engineered single crystals are also discussed. New
trends are described in the research of modern piezo-active
composites with the aim of filling the gaps in piezoelectric
materials science. The primary goal of the book is to show
advantages of different methods being applied to manufacture and
study the functional composites that are suitable for piezoelectric
energy harvesting, hydroacoustic, sensor, actuator, and other
transducer applications.
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