Modern Permanent Magnets

Modern Permanent Magnets
Author: John J. Croat
Publisher: Woodhead Publishing
Total Pages: 455
Release: 2022-01-27
Genre: Technology & Engineering
ISBN: 032388640X

Modern Permanent Magnets provides an update on the status and recent technical developments that have occurred in the various families of permanent magnets produced today. The book gives an overview of the key advances of permanent magnet materials that have occurred in the last twenty years. Sections cover the history of permanent magnets, their fundamental properties, an overview of the important families of permanent magnets, coatings used to protect permanent magnets and the various tests used to confirm specifications are discussed. Finally, the major applications for each family of permanent magnets and the size of the market is provided. The book also includes an Appendix that provides a Glossary of Magnetic Terms to assist the readers in better understanding the technical terms used in other chapters. This book is an ideal resource for materials scientists and engineers working in academia and industry R&D. - Provides an in-depth overview of all of the important families of permanent magnets produced today - Includes background information on the fundamental properties of permanent magnets, major applications of each family of permanent magnets, and advances in coatings and coating technology - Reviews the fundamentals of permanent magnet design

Improving the Properties of Permanent Magnets

Improving the Properties of Permanent Magnets
Author: G.H.M. Koper
Publisher: Springer Science & Business Media
Total Pages: 162
Release: 2012-12-06
Genre: Technology & Engineering
ISBN: 9401136688

The present study complements the study on patents, patent applications and other literature on rare earth metals based permanent magnets by Frits Andriessen and Marten Terpstra, published by Elsevier Applied Science in 1989, and complements in part the book on Nd-Fe permanent magnets edited by LV. Mitchell, which was the result of a workshop organized by the Commission of the European Communities and held in Brussels on 25 October 1984. The difference between the content of the first book and that of the present study is that the first is more specifically directed to various kinds and compositions of alloys used in newly developed magnets, while the present book emphasises the improvements obtained when using particular alloys. The study edited by Mitchell deals more specifically with the economic, physical and chemical aspects of rare earth metals based magnet alloys, their properties compared with the more common and classical magnets such as ferro-cobalt alloy magnets, and their applications to various fields of technology. From the present study it has become apparent that there exist only a few patents and patent applications covering a specific use of particular magnets having specific properties to a circuit, arrangement, device or electric motor. This appears to be due to the fact that every manufacturer of such circuits or arrangements applying magnets naturally wants to employ the most effective magnets.

Handbook of Magnetic Materials

Handbook of Magnetic Materials
Author: Ekkes H. Brück
Publisher: Elsevier
Total Pages: 216
Release: 2020-11-29
Genre: Technology & Engineering
ISBN: 0128210249

Handbook of Magnetic Materials, Volume 29, highlights new advances in the field, with this new volume presenting interesting chapters written by an international board of authors on topics such as spin-orbit torque. - Provides the authority and expertise of leading contributors from an international board of authors - Presents the latest release in the Handbook of Magnetic Materials series

Permanent Magnetism

Permanent Magnetism
Author: J.M.D Coey
Publisher: Routledge
Total Pages: 440
Release: 2019-07-16
Genre: Science
ISBN: 1351425412

One of the first books to approach magnetism from a metal physics perspective, Permanent Magnetism presents research ideas that are being translated into commercial reality for ferrite and Nd-Fe-B magnets, and follows the discovery of interstitial, intermetallic materials. Written by well-known authors, the book contains a comprehensive yet concise treatment of the fundamental theory underlying permanent magnetism and illustrates applications with modern, permanent magnetic materials, including ceramics and intermetallic compounds. Each chapter contains worked examples to reinforce applications and the appendices include detailed mathematics and tabular data on material properties.

Electrical Drives for Direct Drive Renewable Energy Systems

Electrical Drives for Direct Drive Renewable Energy Systems
Author: Markus Mueller
Publisher: Elsevier
Total Pages: 280
Release: 2013-03-25
Genre: Technology & Engineering
ISBN: 0857097490

Wind turbine gearboxes present major reliability issues, leading to great interest in the current development of gearless direct-drive wind energy systems. Offering high reliability, high efficiency and low maintenance, developments in these direct-drive systems point the way to the next generation of wind power, and Electrical drives for direct drive renewable energy systems is an authoritative guide to their design, development and operation.Part one outlines electrical drive technology, beginning with an overview of electrical generators for direct drive systems. Principles of electrical design for permanent magnet generators are discussed, followed by electrical, thermal and structural generator design and systems integration. A review of power electronic converter technology and power electronic converter systems for direct drive renewable energy applications is then conducted. Part two then focuses on wind and marine applications, beginning with a commercial overview of wind turbine drive systems and an introduction to direct drive wave energy conversion systems. The commercial application of these technologies is investigated via case studies on the permanent magnet direct drive generator in the Zephyros wind turbine, and the Archimedes Wave Swing (AWS) direct drive wave energy pilot plant. Finally, the book concludes by exploring the application of high-temperature superconducting machines to direct drive renewable energy systems.With its distinguished editors and international team of expert contributors, Electrical drives for direct drive renewable energy systems provides a comprehensive review of key technologies for anyone involved with or interested in the design, construction, operation, development and optimisation of direct drive wind and marine energy systems. - An authorative guide to the design, development and operation of gearless direct drives - Discusses the principles of electrical design for permanent magnet generators and electrical, thermal and structural generator design and systems integration - Investigates the commercial applications of wind turbine drive systems

Novel Functional Magnetic Materials

Novel Functional Magnetic Materials
Author: Arcady Zhukov
Publisher: Springer
Total Pages: 455
Release: 2016-03-03
Genre: Science
ISBN: 3319261061

This book presents current research on advanced magnetic materials and multifunctional composites. Recent advances in technology and engineering have resulted from the development of advanced magnetic materials with improved functional magnetic and magneto-transport properties. Certain industrial sectors, such as magnetic sensors, microelectronics, and security, demand cost-effective materials with reduced dimensionality and desirable magnetic properties such as enhanced magnetic softness, giant magnetic field sensitivity, and large magnetocaloric effect. Expert chapters present the most up-to-date information on the fabrication process, processing, tailoring of properties, and applications of different families of modern functional materials for advanced smart applications. Topics covered include novel magnetic materials and applications; amorphous and nanocrystalline magnetic materials and applications; hard magnetic materials; magnetic shape memory alloys; and magnetic oxides. The book's highly interdisciplinary and forward-looking approach will benefit the scientific community, particularly researchers and advanced graduate students working in the field of advanced magnetic materials, composites, and high-performance sensor and microwave devices.

Permanent Magnet and Electromechanical Devices

Permanent Magnet and Electromechanical Devices
Author: Edward P. Furlani
Publisher: Elsevier
Total Pages: 538
Release: 2001-09-05
Genre: Science
ISBN: 0080513697

The book provides both the theoretical and the applied background needed to predict magnetic fields. The theoretical presentation is reinforced with over 60 solved examples of practical engineering applications such as the design of magnetic components like solenoids, which are electromagnetic coils that are moved by electric currents and activate other devices such as circuit breakers. Other design applications would be for permanent magnet structures such as bearings and couplings, which are hardware mechanisms used to fashion a temporary connection between two wires.This book is written for use as a text or reference by researchers, engineers, professors, and students engaged in the research, development, study, and manufacture of permanent magnets and electromechanical devices. It can serve as a primary or supplemental text for upper level courses in electrical engineering on electromagnetic theory, electronic and magnetic materials, and electromagnetic engineering.

Advances in Magnetic Materials

Advances in Magnetic Materials
Author: Sam Zhang
Publisher: CRC Press
Total Pages: 748
Release: 2017-02-24
Genre: Science
ISBN: 1498706738

Advances in Magnetic Materials: Processing, Properties, and Performance discusses recent developments of magnetic materials, including fabrication, characterization and applications in the aerospace, biomedical, and semiconductors industries. With contributions by international professionals who possess broad and varied expertise, this volume encompasses both bulk materials and thin films and coatings for magnetic applications. A timely reference book that describes such things as ferromagnetism, nanomaterials, and Fe, ZnO, and Co-based materials, Advances in Magnetic Materials is an ideal text for students, researchers, and professionals working in materials science. Describes recent developments of magnetic materials, including fabrication, characterization, and applications Addresses a variety of industrial applications, such as aerospace, biomedical, and semiconductors Discusses bulk materials and thin films and coatings Covers ferromagnetism, nanomaterials, Fe, ZnO, and Co-based materials Contains the contributions of international professionals with broad and varied expertise Covers a holistic range of magnetic materials in various aspects of process, properties, and performance

Advances in Permanent Magnetism

Advances in Permanent Magnetism
Author: Rollin J. Parker
Publisher: Wiley-VCH
Total Pages: 0
Release: 1990-04-02
Genre: Science
ISBN: 9780471822936

A guide to permanent-magnet property selection and design in magnetoelectric devices. Provides a unified and comprehensive treatment of permanent magnetism, from its origins to its use in modern energy-conversion devices. Presents the history of permanent magnetism and describes the properties of permanent-magnet systems, emphasizing the new rare earth magnets. Covers all major types of permanent magnets and their typical applications, aspects of design, circuit solutions, device parameters and measurements.