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Author : F. Andriessen
Publisher : Springer
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.F/5 ( download)
Download or read book Rare Earth Metals Based Permanent Magnets written by F. Andriessen and published by Springer. This book was released on 1989-02-28 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ekkes H. Brück
Publisher : Elsevier
ISBN 13 : 0128210249
Total Pages : 216 pages
Book Rating : 4.1/5 (282 download)
Download or read book Handbook of Magnetic Materials written by Ekkes H. Brück and published by Elsevier. This book was released on 2020-11-29 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Author : J. M. D. Coey
Publisher : Oxford University Press
ISBN 13 : 9780198517924
Total Pages : 562 pages
Book Rating : 4.5/5 (179 download)
Download or read book Rare-earth Iron Permanent Magnets written by J. M. D. Coey and published by Oxford University Press. This book was released on 1996 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rare-earth iron permanent magnets combine the magnetization of iron or cobalt with the anisotropy of a light rare-earth in intermetallic compounds which exhibit nearly ideal hysteresis. The rare-earth iron magnets are indispensable components in a vast range of electronic and electromechanical devices. This book covers the principles of permanent magnetism, magnet processing, and applications in a series of interlocking chapters written by experts in each area. Based on the findings of the Concerted European Action on Magnets, it is a definitive account of the field, designed to be read by physicists, materials scientists, and electrical engineers.
Author : G.H.M. Koper
Publisher : Springer Science & Business Media
ISBN 13 : 9401136688
Total Pages : 162 pages
Book Rating : 4.4/5 (11 download)
Download or read book Improving the Properties of Permanent Magnets written by G.H.M. Koper and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : E. A. Nesbitt
Publisher : Academic Press
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (45 download)
Download or read book Rare Earth Permanent Magnets written by E. A. Nesbitt and published by Academic Press. This book was released on 1973-01-28 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rare Earth Permanent Magnets presents the discussion of the metallurgy and properties of rare earth permanent magnet alloys. The monograph initially provides the elementary aspects of magnetism to enable the reader sufficient understanding of permanent magnetism. The book then discusses the rare earth elements and their alloys with cobalt, copper, and iron; the magnetic properties of various intermetallic compounds relevant to permanent magnets; a detailed account of cast permanent magnets of the Co-Cu-Sm and Co-Cu-Ce systems and their modifications; the important methods of making and manufacturing rare earth permanent magnets by powder metallurgy methods; and comparisons between the well-known permanent magnets and the new rare earth materials. This text will be of value to students, materials engineers, and scientists.
Author : A.S. Nowick
Publisher : Elsevier
ISBN 13 : 0323160069
Total Pages : 214 pages
Book Rating : 4.3/5 (231 download)
Download or read book Rare Earth Permanent Magnets written by A.S. Nowick and published by Elsevier. This book was released on 2012-12-02 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rare Earth Permanent Magnets presents the discussion of the metallurgy and properties of rare earth permanent magnet alloys. The monograph initially provides the elementary aspects of magnetism to enable the reader sufficient understanding of permanent magnetism. The book then discusses the rare earth elements and their alloys with cobalt, copper, and iron; the magnetic properties of various intermetallic compounds relevant to permanent magnets; a detailed account of cast permanent magnets of the Co-Cu-Sm and Co-Cu-Ce systems and their modifications; the important methods of making and manufacturing rare earth permanent magnets by powder metallurgy methods; and comparisons between the well-known permanent magnets and the new rare earth materials. This text will be of value to students, materials engineers, and scientists.
Author : Neale Neelameggham
Publisher : Springer
ISBN 13 : 3319481886
Total Pages : 264 pages
Book Rating : 4.3/5 (194 download)
Download or read book Rare Metal Technology 2015 written by Neale Neelameggham and published by Springer. This book was released on 2016-12-01 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection presents the papers from a symposium on extraction of rare metals as well as rare extraction processing techniques used in metal production. Paper topics include the extraction and processing of elements like antimony, arsenic, calcium, chromium, hafnium, gold, indium, lithium, molybdenum, niobium, rare earth metals, rhenium, scandium, selenium, silver, strontium, tantalum, tellurium, tin, tungsten, vanadium, and zirconium. Rare processing techniques presented include bio leaching, molecular recognition technology, recovery of valuable components of commodity metals such as magnesium from laterite process wastes, titanium from ilmenites, and rare metals from wastes such as phosphors and LCD monitors.
Author : John J. Croat
Publisher : Woodhead Publishing
ISBN 13 : 032388640X
Total Pages : 455 pages
Book Rating : 4.3/5 (238 download)
Download or read book Modern Permanent Magnets written by John J. Croat and published by Woodhead Publishing. This book was released on 2022-01-27 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Author : I.V. Mitchell
Publisher : Springer
ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.:/5 (41 download)
Download or read book Nd-Fe Permanent Magnets written by I.V. Mitchell and published by Springer. This book was released on 1985 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Volker Zepf
Publisher : Springer Science & Business Media
ISBN 13 : 3642354580
Total Pages : 162 pages
Book Rating : 4.6/5 (423 download)
Download or read book Rare Earth Elements written by Volker Zepf and published by Springer Science & Business Media. This book was released on 2013-02-14 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis deals with Rare Earth Elements (REE), especially with neodymium used in permanent magnets, from a very scientific basis by providing basic research data. Despite the fact that REE are newsworthy and very important elements for a considerable bandwidth of todays’ technologies, accompanied by the monopolistic supply-situation and Chinese politics, there are inexplicable data discrepancies about REE which have been recognized frequently but usually have not been addressed accordingly. So this analysis started with the hypothesis that the four application areas, namely computer hard disk drives (HDD), mobile phones, wind turbines and e-mobility (automotive traction), account for about 80% of the global annual neodymium-demand. The research methodology was a laboratory analysis of the composition of used magnets for HDDs and mobile phones and a literature and official report analysis of wind turbine and automotive neodymium use. The result was amazing and the hypothesis had to be withdrawn as these four areas only account for about 20% of neodymium use. This result raises some questions concerning actual use and thus potential recycling options.
Author : A.R. Jha
Publisher : CRC Press
ISBN 13 : 1466564024
Total Pages : 378 pages
Book Rating : 4.4/5 (665 download)
Download or read book Rare Earth Materials written by A.R. Jha and published by CRC Press. This book was released on 2014-06-17 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent studies indicate that China accounts for about 96 percent of the world’s supply of rare earth materials (REMs). With REMs becoming increasingly important for a growing number of high-tech applications, appropriate action must be taken to mitigate the effects of a shortage of critical REMs in defense systems and components. Bringing together information previously available only from disparate journal articles and databases, Rare Earth Materials: Properties and Applications describes the unique characteristics and applications of 17 REMs. It defines their chemical, electrical, thermal, and optical characteristics. Maintaining a focus on physical and chemical properties, it addresses the history and critical issues pertaining to mining and processing of REMs. In this book, Dr. A.R. Jha continues his distinguished track record of distilling complex theoretical physical concepts into an understandable technical framework that can be extended to practical applications across commercial and industrial frameworks. He summarizes the chemical, optical, electrical, thermal, magnetic, and spectroscopic properties of REMs best suited for next-generation commercial and military systems or equipment. Coverage includes extraction, recycling, refinement, visual inspection, identification of spectroscopic parameters, quality control, element separation based on specific application, pricing control, and environmental / geo-political considerations. Potential applications are identified with an emphasis on scientific instruments, nuclear resonance imaging equipment, MRI systems, magnetic couplers for uranium enrichment equipment, battery-electrodes, electric motors, electric generators, underwater sensors, and commercial and military sensors. The book describes unique applications of rare earth magnets in all-electric and hybrid electric cars and microwave components. It also considers the use of rare earth magnets in commercial and military systems where weight and size are the critical design requirements. Suitable for both students and design engineers involved in the development of high-technology components or systems, the book concludes by summarizing future applications in electro-optic systems and components, including infrared lasers, diode-pumped solid-state lasers operating at room temperatures, and other sophisticated military and commercial test equipment
Author : Shuming Pan
Publisher : Springer
ISBN 13 : 3642363881
Total Pages : 290 pages
Book Rating : 4.6/5 (423 download)
Download or read book Rare Earth Permanent-Magnet Alloys’ High Temperature Phase Transformation written by Shuming Pan and published by Springer. This book was released on 2014-12-01 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: The process of high temperature phase transition of rare earth permanent-magnet alloys is revealed by photographs taken by high voltage TEM. The relationship between the formation of nanocrystal and magnetic properties is discussed in detail, which effects alloys composition and preparation process. The experiment results verified some presumptions, and were valuable for subsequent scientific research and creating new permanent-magnet alloys. The publication is intended for researchers, engineers and managers in the field of material science, metallurgy, and physics. Prof. Shuming Pan is senior engineer of Beijing General Research Institute of Non-ferrous Metal.
Author : Marc Humphries
Publisher : DIANE Publishing
ISBN 13 : 1437937985
Total Pages : 18 pages
Book Rating : 4.4/5 (379 download)
Download or read book Rare Earth Elements written by Marc Humphries and published by DIANE Publishing. This book was released on 2010-11 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: (1) Intro.; (2) What are Rare Earth Elements (REE)?; (3) Major End Uses and Applications: Demand for REE; The Application of REE in National Defense; (4) Rare Earth Resources and Production Potential; Supply Chain Issues; Role of China; (5) Rare Earth Legislation in the 111th Congress: H.R. 4866, and S. 3521, the Rare Earths Supply-Chain Technology and Resources Transformation Act of 2010; H.R. 5136, the FY 2011 Nat. Defense Authorization Act; P.L. 111-84, the FY 2010 Nat. Defense Authorization Act; (6) Possible Policy Options: Authorize and Appropriate Funding for a USGS Assessment; Support and Encourage Greater Exploration for REE; Challenge China on Its Export Policy; Establish a Stockpile. Illustrations.
Author : R. Elliott
Publisher : Springer Science & Business Media
ISBN 13 : 1475756917
Total Pages : 430 pages
Book Rating : 4.4/5 (757 download)
Download or read book Magnetic Properties of Rare Earth Metals written by R. Elliott and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rare earths have a unique place among the elements. Although very much alike chemically and in most phy~ical properties they each have very different and striking magnetic properties. The reason, of course, lies in their 4f electrons which determine the magnetic properties but have little effect on other chemical and physical behaviour. Although they are not rare, some indeed are among the more common heavy elements in the earth's crust, the difficulty of separation has meant that their intricate magnetic properties have only recently been unravelled. Now, however, the general pattern of their magnetism is well charted and the underlying theory is well understood. Both are thoroughly summarised in this book. It provides an excellent example of the kind of extensive synthesis which is possible with modem solid state physics. it represents only a high plateau in the ascent to complete understanding. But It will become clear to the reader that while the overall position is satisfactory there are many details still to be elucidated experimentally and much to be done theoretically before all the underlying forces are identified and estimated from a priori calculations. It is hoped that the book will provide a useful stimulus in this direction. It should also be of use to those who are interested in related disciplines, for example the rare earth compounds, or the transition metals. In addition rare earths promise to be important technologically as alloy constituents.
Author : K.H.J. Buschow
Publisher : Trans Tech Publications Ltd
ISBN 13 : 3035705887
Total Pages : 90 pages
Book Rating : 4.0/5 (357 download)
Download or read book Permanent Magnetic Materials and their Applications written by K.H.J. Buschow and published by Trans Tech Publications Ltd. This book was released on 1999-01-10 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: Permanent magnets play an increasingly important role in modern society because they are vital components of numerous domestic and industrial devices. The last few decades have witnessed a quite extraordinary development in the use of hard magnetic materials, especially after the advent of rare earth permanent magnets. The rare earth permanent magnets are unequalled because they combine a high magnetization with an extraordinary magnetic hardness which allows the use of such magnets having the extreme shapes and small dimensions as required in modern devices.
Author : Ralph Skomski
Publisher : Oxford University Press on Demand
ISBN 13 : 0198570759
Total Pages : 366 pages
Book Rating : 4.1/5 (985 download)
Download or read book Simple Models of Magnetism written by Ralph Skomski and published by Oxford University Press on Demand. This book was released on 2008-01-17 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents introductory appendices and panels on quantum mechanics, statistical mechanics, and other topics.
Author : Rainer Pöttgen
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110653729
Total Pages : 746 pages
Book Rating : 4.1/5 (16 download)
Download or read book Rare Earth Chemistry written by Rainer Pöttgen and published by Walter de Gruyter GmbH & Co KG. This book was released on 2020-10-26 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work introduces into the chemistry, materials science and technology of Rare Earth Elements. The chapters by experienced lecturers describe comprehensively the recent studies of their characteristics, properties and applications in functional materials. Due to the broad range of covered topics as hydrogen storage materials, LEDs or permanent magnets this work gives an up-to-date presentation of this fascinating research.
