Antiplane Motions of Piezoceramics and Acoustic Wave Devices

For the piezoceramic plate, the fields can be represented by uc = [Uc, sin mo (x, - h;) + Uc, 172 Antiplane Motions of Piezoceramics and Acoustic Wave Devices 6.6.1. Governing equations and fields.

Antiplane Motions of Piezoceramics and Acoustic Wave Devices

This book focuses on dynamic antiplane problems of piezoelectric ceramics. It presents relatively simple theoretical solutions to many such problems, and attempts to use these solutions to demonstrate the operation and design of several acoustic wave devices. Some of the solutions are able to show the underlying physics clearly without the need for numerical computation. The problems treated include the propagation of plate waves, surface waves, interface waves, Love waves, gap waves, and vibrations of finite bodies of various shapes with applications in resonators, mass sensors, fluid sensors, interface sensors, phononic crystals, piezoelectric generators or power harvesters, piezoelectric transformers, power or signal transmission through an elastic wall, and acoustic wave excitation and detection for nondestructive evaluation.

Dual Electro piezo Property Functionally Graded Piezoceramics

These conditions can lead to premature failure of a piezoceramic device , making them less commercially desirable . However , there are still many commercial applications that could benefit from what piezoceramic have to offer ...

Dual Electro piezo Property Functionally Graded Piezoceramics


Advanced Materials

Different types of PZT type porous piezoelectric ceramics with 3–0/3–3 connectivity based on ferroelectrically ... These experimental data include averages for different types of PZT porous piezoceramics with the same porosity and ...

Advanced Materials

This proceedings volume presents selected and peer reviewed 50 reports of the 2015 International Conference on “Physics and Mechanics of New Materials and Their Applications” (Azov, Russia, 19-22 May, 2015), devoted to 100th Anniversary of the Southern Federal University, Russia. The book presents processing techniques, physics, mechanics, and applications of advanced materials. The book is concentrated on some nanostructures, ferroelectric crystals, materials and composites and other materials with specific properties. In this book are presented nanotechnology approaches, modern piezoelectric techniques, physical and mechanical studies of the structure-sensitive properties of the materials. A wide spectrum of mathematical and numerical methods is applied to the solution of different technological, mechanical and physical problems for applications. Great attention is devoted to novel devices with high accuracy, longevity and extended possibilities to work in a large scale of temperatures and pressure ranges, aggressive media, etc. The characteristics of materials and composites with improved properties is shown, and new possibilities in studying of various physico-mechanical processes and phenomena are demonstrated.

Developments in Ceramic Materials Research

[ 20 ] proposed a model , in which the ' unit cell is split into four volumes with series / parallel combinations of piezoceramic and polymer components . This model assumes that only certain volumes contribute effectively to the ...

Developments in Ceramic Materials Research

Ceramics are refractory, inorganic, and non-metallic materials. They can be divided into two classes: traditional and advanced. Traditional ceramics include clay products, silicate glass and cement; while advanced ceramics consist of carbides (SiC), pure oxides (Al2O3), nitrides (Si3N4), non-silicate glasses and many others. Ceramics offer many advantages compared to other materials. They are harder and stiffer than steel; more heat and corrosion resistant than metals or polymers; less dense than most metals and their alloys; and their raw materials are both plentiful and inexpensive. Ceramic materials display a wide range of properties which facilitate their use in many different product areas. This new book presents leading-edge research in this field from around the world.

Piezoceramic Sensors

Piezoceramics possess many advantages. Piezoceramic elements are rather economical, and they possess high radiating firmness in various active environments. Only hydre fluoric acid is capable of having a destroying effect on ...

Piezoceramic Sensors

This book presents the latest and complete information about various types of piezosensors. A sensor is a converter of the measured physical size to an electric signal. Piezoelectric transducers and sensors are based on piezoelectric effects. They have proven to be versatile tools for the measurement of various processes. They are used for quality assurance, process control and for research and development in many different industries. In each area of application specific requirements to the parameters of transducers and sensors are developed. The book presents the fundamentals, technical design and details and practical applications. Methods to design piezosensors are described, allowing to create sensors with unique properties. New methods to measure physical sizes and new constructions of sensors including large area of piezosensors are described in this book. This book is written for specialists in transforming hydroacoustics, non-destructive control, measuring technique, sensors development for automatic control and also for graduate students.

Piezoelectric Ceramics

Conclusions and feature trends Porous piezoceramics find nowadays many applications as ultrasonic transducers. The introduction of a controlled porosity into a piezoelectric ceramic could in fact strongly improve the acoustic ...

Piezoelectric Ceramics

This book reviews a big window of opportunity for piezoelectric ceramics, such as new materials, material combinations, structures, damages and porosity effects. In addition, applications of sensors, actuators, transducers for ultrasonic imaging, positioning systems, energy harvesting, biomedical and microelectronic devices are described. The book consists of fourteen chapters. The genetic algorithm is used for identification of RLC parameters in the equivalent electrical circuit of piezoelectric transducers. Concept and development perspectives for piezoelectric energy harvesting are described. The characterization of principal properties and advantages of a novel device called ceramic-controlled piezoelectric with a Pt wire implant is included. Bio-compatibility studies between piezoelectric ceramic material and biological cell suspension are exposed. Thus, piezoelectric ceramics have been a very favorable solution as a consequence of its high energy density and the variety of fabrication techniques to obtain bulk or thin films devices. Finally, the readers will perceive a trend analysis and examine recent developments in different fields of applications of piezoelectric ceramics.

Definition of Constants for Piezoceramic Materials

dependence E. ( T ) for polarized piezoceramics PZTB - 3 ( see Figure 6.3 , curve 1 ) has the same character qualitatively as for non - polarized piezoceramics ( see Figure 6.3 , curve 2 ) . However , the values of the module for the ...

Definition of Constants for Piezoceramic Materials

This monograph consists of investigation results obtained on the new theoretically well-grounded method for the total set of the compatible material constants for different piezoceramics. With this aim, there were carried out theoretical and experimental analysis, and various oscillation modes of electroelastic bars and plates were identified. Moreover, the physical and geometrical restrictions on the sample form were stated by using modified method of definition of the piezomodule d33 in quasistatic regime. These limitations allowed the authors to calculate the valid values of d33 for various piezoceramic families. By this, the boundaries of application of the above methods are discussed in this book. The results of identification of the various oscillation modes for bars and plates, and also the method and algorithm of the definition of total set of compatible material constants may significantly help in the development of the computation methods for characteristics of piezocomposite materials for force piezoactuators. One of the approaches in order to achieve this aim consists of practice forms of maximum displacements that could be created by using the stiffness matrices of composite based on the calculation algorithm of total set of the compatible piezoceramic material constants. Moreover, above modified algorithm may be used for research and development of new composites, in particular polymer-composite materials. This book is addressed to students, post-graduate students and specialists, taking part in the development, preparation and researching new materials and devices on their base.

III European Conference on Computational Mechanics

Piezoceramics. Ayech Benjeddou *, Julie A. Ranger † *Institut Supérieur de Mécanique de Paris 3 rue Fernand Hainault, ... damping using shunted piezoceramics was the focus of many researches, in particular during the last decade, ...

III European Conference on Computational Mechanics

III European Conference on Computational Mechanics: Solids, Structures and Coupled Problem in Engineering Computational Mechanics in Solid, Structures and Coupled Problems in Engineering is today a mature science with applications to major industrial projects. This book contains the edited version of the Abstracts of Plenary and Keynote Lectures and Papers, and a companion CD-ROM with the full-length papers, presented at the III European Conference on Computational Mechanics: Solids, Structures and Coupled Problems in Engineering (ECCM-2006), held in the National Laboratory of Civil Engineering, Lisbon, Portugal 5th - 8th June 2006. The book reflects the state-of-art of Computation Mechanics in Solids, Structures and Coupled Problems in Engineering and it includes contributions by the world most active researchers in this field.

Mechanical Engineers Handbook Volume 1

Thus, polycrystalline piezoceramics have to undergo a postsintering process to align the electrically charged ... If the piezoceramic is taken above a temperature, known as the Curie temperature, a phase transformation occurs and ...

Mechanical Engineers  Handbook  Volume 1

Full coverage of materials and mechanical design inengineering Mechanical Engineers' Handbook, Fourth Edition provides aquick guide to specialized areas you may encounter in your work,giving you access to the basics of each and pointing you towardtrusted resources for further reading, if needed. The accessibleinformation inside offers discussions, examples, and analyses ofthe topics covered. This first volume covers materials and mechanical design, givingyou accessible and in-depth access to the most common topics you'llencounter in the discipline: carbon and alloy steels, stainlesssteels, aluminum alloys, copper and copper alloys, titanium alloysfor design, nickel and its alloys, magnesium and its alloys,superalloys for design, composite materials, smart materials,electronic materials, viscosity measurement, and much more. Presents comprehensive coverage of materials and mechanicaldesign Offers the option of being purchased as a four-book set or assingle books, depending on your needs Comes in a subscription format through the Wiley Online Libraryand in electronic and custom formats Engineers at all levels of industry, government, or privateconsulting practice will find Mechanical Engineers' Handbook,Volume 1 a great resource they'll turn to repeatedly as areference on the basics of materials and mechanical design.

Power Ultrasonics

Resonance modes in standard characterization of piezoceramics: a discussion based on finite element analysis. Ferroelectrics 336, 181–190. Pardo, L., Montero de Espinosa, F., Brebøl, K., 2007a. Study by laser interferometry of the ...

Power Ultrasonics

The industrial interest in ultrasonic processing has revived during recent years because ultrasonic technology may represent a flexible “green alternative for more energy efficient processes. A challenge in the application of high-intensity ultrasound to industrial processing is the design and development of specific power ultrasonic systems for large scale operation. In the area of ultrasonic processing in fluid and multiphase media the development of a new family of power generators with extensive radiating surfaces has significantly contributed to the implementation at industrial scale of several applications in sectors such as the food industry, environment, and manufacturing. Part one covers fundamentals of nonlinear propagation of ultrasonic waves in fluids and solids. It also discusses the materials and designs of power ultrasonic transducers and devices. Part two looks at applications of high power ultrasound in materials engineering and mechanical engineering, food processing technology, environmental monitoring and remediation and industrial and chemical processing (including pharmaceuticals), medicine and biotechnology. Covers the fundamentals of nonlinear propagation of ultrasonic waves in fluids and solids. Discusses the materials and designs of power ultrasonic transducers and devices. Considers state-of-the-art power sonic applications across a wide range of industries.

Vibration Analysis of Functionally Graded Piezoelectric Actuators

2.1 Introduction to Piezoelectric Materials and Piezoceramics 5 piezoelectric materials cannot be designed in desired shape and geometry. Therefore, synthetic ceramic piezoelectric materials (piezoelectric ceramics or piezoceramics) are ...

Vibration Analysis of Functionally Graded Piezoelectric Actuators

This book presents a detailed study on the vibration analysis of functionally graded piezoelectric actuators excited under the shear effect. Two types of actuator geometries viz. beam and annular plate are considered, where the material properties are assumed to have a continuous variation in accordance with a power law distribution. The generalized differential quadrature method is used to obtain the solutions, and is compared to exact analytical results. The methodology reported and the numerical results presented will be useful for the design of devices utilizing functionally graded piezoelectric actuators under the influence of shear.

Advances in Ceramics for Environmental Functional Structural and Energy Applications II Ceramic Transactions

O SYNTHESIS OF HIGH CURIE TEMPERATURE La2Ti27 PIEZOCERAMIC BY MECHANOCHEMICAL ACTIVATION: A PRELIMINARY ... INTRODUCTION Piezoceramics have been in use for decades for various applications like sensors, transducers, actuators etc.

Advances in Ceramics for Environmental  Functional  Structural  and Energy Applications II  Ceramic Transactions

This proceedings contains a collection of 22 papers presented at the 2018 Materials Science and Technology Meeting (MS&T’18) held in Columbus, Ohio, October 14-18, 2018. Symposia topics included in this volume are: • Advances in Dielectric Materials and Electronic Devices • Innovative Processing and Synthesis of Ceramics, Glasses and Composites • International Symposium on Ceramic Matrix Composites • Materials for Nuclear Applications and Extreme Environments • Nanotechnology for Energy, Environment, Electronics, Healthcare and Industry • Processing and Performance of Materials Using Microwaves, Electric and Magnetic Fields, Ultrasound, Lasers, and Mechanical Work – Rustum Roy Symposium • Additive Manufacturing of Composites and Complex Materials • Eco-Friendly and Sustainable Ceramics

NASA Tech Briefs

Nano - Fiber - In - Nano - Pore Technology Enhances Electrical Characteristics of Piezoceramics Andrea Mica ... Piezoceramic electrosurgical instruments are capable of delivering precisely controlled high voltage for micron - level ...

NASA Tech Briefs


Advances in Lead Free Piezoelectric Materials

TiO3-based lead-free piezoceramics. ... J Phys Chem C 121 (10):5709–5718 Pan H, Hou Y, Chao X (2011) Microstructure and electrical properties of La2O3-doped Bios(Nao.68Ko.22Lio.10)0.5TiO3, lead-free piezoelectric ceramics.

Advances in Lead Free Piezoelectric Materials

This book systematically reviews the history of lead-free piezoelectric materials, including the latest research. It also addresses a number of important issues, such as new types of materials prepared in a multitude of sizes, structural and physical properties, and potential applications for high-performance devices. Further, it examines in detail the state of the art in lead-free piezoelectric materials, focusing on the pathways to modify different structures and achieve enhanced physical properties and new functional behavior. Lastly, it discusses the prospects for potential future developments in lead-free piezoelectric materials across disciplines and for multifunctional applications. Given its breadth of coverage, the book offers a comprehensive resource for graduate students, academic researchers, development scientists, materials producers, device designers and applications engineers who are working on or are interested in advanced lead-free piezoelectric materials.

Encyclopedia of Optical and Photonic Engineering Print Five Volume Set

For commercial applications, piezoelectric materials termed as piezoceramics are artificially synthesized. The piezoceramics are commercially produced for special needs and large-scale production use. Lead zirconate titanate (PZT), ...

Encyclopedia of Optical and Photonic Engineering  Print    Five Volume Set

The first edition of the Encyclopedia of Optical and Photonic Engineering provided a valuable reference concerning devices or systems that generate, transmit, measure, or detect light, and to a lesser degree, the basic interaction of light and matter. This Second Edition not only reflects the changes in optical and photonic engineering that have occurred since the first edition was published, but also: Boasts a wealth of new material, expanding the encyclopedia’s length by 25 percent Contains extensive updates, with significant revisions made throughout the text Features contributions from engineers and scientists leading the fields of optics and photonics today With the addition of a second editor, the Encyclopedia of Optical and Photonic Engineering, Second Edition offers a balanced and up-to-date look at the fundamentals of a diverse portfolio of technologies and discoveries in areas ranging from x-ray optics to photon entanglement and beyond. This edition’s release corresponds nicely with the United Nations General Assembly’s declaration of 2015 as the International Year of Light, working in tandem to raise awareness about light’s important role in the modern world. Also Available Online This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367; (E-mail) [email protected] International: (Tel) +44 (0) 20 7017 6062; (E-mail) [email protected]

Structural Health Monitoring 2013 A Roadmap to Intelligent Structures

FABRICATION OVERVIEW 60000 1 9 9 1 4 8 1 9 7 2 4 6 2 9 5 3 4 4 3 9 3 A novel process was developed to simultaneously fabricate and release 50000 multiple screen printed piezoceramics onto polyimide films.

Structural Health Monitoring 2013  A Roadmap to Intelligent Structures

Original research on SHM sensors, quantification strategies, system integration and control for a wide range of engineered materials New applications in robotics, machinery, as well as military aircraft, railroads, highways, bridges, pipelines, stadiums, tunnels, space exploration and energy production Continuing a critical book series on structural health monitoring (SHM), this two-volume set (with full-text searchable CD-ROM) offers, as its subtitle implies, a guide to greater integration and control of SHM systems. Specifically, the volumes contain new research that will enable readers to more efficiently link sensor detection, diagnostics/quantification, overall system functionality, and automated, e.g., robotic, control, thus further closing the loop from inherent signal-based damage detection to responsive real-time maintenance and repair. SHM performance is demonstrated in monitoring the behavior of composites, metals, concrete, polymers and selected nanomaterials in a wide array of surroundings, including harsh environments, under extreme (e.g., seismic) loading and in space. New information on smart sensors and network optimization is enhanced by novel statistical and model-based methods for signal processing and data quantification. A special feature of the book is its explanation of emerging control technologies. Research in these volumes was initially presented in September 2013 at the 9th International Workshop on Structural Health Monitoring (IWSHM), held at Stanford University and sponsored by the Air Force Office of Scientific Research, the Army Research Laboratory, and the Office of Naval Research.

Fracture Mechanics

Horacio A. Sosa1 DEFECT PROBLEMS IN PIEZOELECTRIC CERAMICS REFERENCE: Sosa, H. A., "Defect Problems in Piezoelectric Ceramics," ... Complex potentials are derived to describe the general electromechanical response of piezoceramics.

Fracture Mechanics


Advances in Smart Technologies in Structural Engineering

Manufactured piezoelectric ceramics were introduced in the early 1950s. ... Table 1 gives a summary of various properties for Some commercially available piezoceramics used for damage detection based on Lamb waves.

Advances in Smart Technologies in Structural Engineering

This book collects invited lectures presented and discussed on the AMAS & ECCOMAS Workshop/Thematic Conference SMART'o3. The SMART'o3 Conference on Smart Materials and Structures was held in a 19th century palace in Jadwisin near Warsaw, 2-5 September 2003, Poland .It was organized by the Advanced Materials and Structures (AMAS) Centre of Excellence at the Institute of Fundamental Technological Research (IFTR) in Warsaw,ECCOMAS - European Community on Computational Methods in Applied Sciences and SMART-TECH Centre at IFTR. The idea of the workshop was to bring together and consolidate the community of Smart Materials and Structures in Europe. The workshop was attended by 66 participants from n European countries (Austria, Belgium, Finland, France, Germany, Italy, Poland, Portugal, Spain, U.K., Ukraine), 1 participant from Israel and 1 participant from the USA. The workshop program was grouped into the following major topics: 4 sessions on Structural Control (18 presentations), 3 sessions on Vibration Controland Dynamics (14 presentations), 2 sessions on Damage Identification (10 presentations), 2 sessions on Smart Materials (9 presentations). Each session was composed of an invited lecture and some contributed papers. Every paper scheduled in the program was presented, so altogether 51 presentations were given. No sessions were run in parallel. The workshop was attended not only by researchers but also by people closely related to the industry. There were interesting discussions on scientific merits of the presented papers as well as on future development of the field and its possible industrial applications.

Power Sonic and Ultrasonic Transducers Design

In most cases they have made use of piezoceramic materials [5.1]. 5.2.1 Advantages of Piezoceramics The most important reason for the wide use of piezoceramic is that their electromechanical properties are outstanding.

Power Sonic and Ultrasonic Transducers Design

This volume contains the Proceedings of the International Workshop on the Design of Power Sonic and Ultrasonic Transducers, which was held in the Maison de l'Entreprise et des Technologies Nouvelles, Marcq en Baroeul, near Lille, France, on May 26 and 27, 1987. The main objective of this Workshop was to discuss all aspects of high power problems in the design of electroacoustic transducers and to stimulate an exchange of knowledge and experience between researchers and industrial ists involved in this multidisciplinary field. The scientific program included 13 invited contributions, and there were 80 participants from England, France, Italy, Spain, Sweden and the United States. The editors wish to thank the authors and attendees for their active par ticipation, and they hope that these Proceedings will allow readers to share in the stimulating atmosphere of the sessions. They also wish to thank eve ryone who undertook simultaneous translation, clerical work, typing of the Proceedings, production of the illustrations, or any other of the numerous tasks connected with this venture. Special mention has to be made of Mrs. E. Litton (ISEN, Lille) for her constant and kind help from the beginning of the project to the very end of the editing, Dr. R. Bossut (ISEN, Lille) for his efficient proofreading, and Dr. H.U. Daniel (Springer-Verlag) for his interest in these Proceedings as well as his kind and efficient support.

Multifunctional Polycrystalline Ferroelectric Materials

617 13.1 The Resonance Method in the Determination of the Properties of Ferro-Piezoelectric Ceramics in the Linear Range ...................... 618 13.1.1 ... 13.1.3 Iterative Methods in the Complex Characterization of Piezoceramics.

Multifunctional Polycrystalline Ferroelectric Materials

This book presents selected topics on processing and properties of ferroelectric materials that are currently the focus of attention in scientific and technical research. Ferro-piezoelectric ceramics are key materials in devices for many applications, such as automotive, healthcare and non-destructive testing. As they are polycrystalline, non-centrosymmetric materials, their piezoelectricity is induced by the so-called poling process. This is based on the principle of polarization reversal by the action of an electric field that characterizes the ferroelectric materials. This book was born with the aim of increasing the awareness of the multifunctionality of ferroelectric materials among different communities, such as researchers, electronic engineers, end-users and manufacturers, working on and with ferro-piezoelectric ceramic materials and devices which are based on them. The initiative to write this book comes from a well-established group of researchers at the Laboratories of Ferroelectric Materials, Materials Science Institute of Madrid (ICMM-CSIC). This group has been working in different areas concerning thin films and bulk ceramic materials since the mid-1980s. It is a partner of the Network of Excellence on Multifunctional and Integrated Piezoelectric Devices (MIND) of the EC, in which the European Institute of Piezoelectric Materials and Devices has its origin.