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Author : Georgia
Publisher : Unknown
Page : 0 pages
File Size : 46,9 Mb
Release : 2024-06
Category : Electronic
ISBN : 3384245911
Author : E. A. Nesbitt,Jack Harry Wernick
Publisher : Academic Press
Page : 224 pages
File Size : 51,6 Mb
Release : 1973-01-28
Category : Science
ISBN : UCAL:B4515426
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
Page : 214 pages
File Size : 52,6 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323160063
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 : Ekkes H. Brück
Publisher : Elsevier
Page : 216 pages
File Size : 47,6 Mb
Release : 2020-11-29
Category : Technology & Engineering
ISBN : 9780128210246
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
Page : 562 pages
File Size : 44,9 Mb
Release : 1996
Category : Science
ISBN : 0198517920
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 : I.V. Mitchell
Publisher : Springer
Page : 300 pages
File Size : 55,6 Mb
Release : 1985
Category : Science
ISBN : UOM:39015010896762
Author : I.R. Harris
Publisher : Elsevier
Page : 144 pages
File Size : 45,9 Mb
Release : 2014-04-03
Category : Science
ISBN : 9780080983639
These papers provide an interesting collection of contributions on fundamental magnetic behaviour, microstructural studies, processing methods and applications of rare earth, iron-rich, high performance permanent magnets. The remarkably versatile nature of the Nd-Fe-B-type alloys with respect to magnet processing is very evident in these proceedings. Thus there are papers which describe the production of magnets by the die-upset-forging of melt-spun ribbon, by cold-compaction of melt-spun-ribbon with soft metals, by mechanical alloying and by hot working of cast material. Work is also reported on the production of new permanent magnets from melt-spun material based on the alloys Nd4Fe78B18 and SmFe11.5Ti1.04. Both these alloys look promising and the former appears to be close to commercial exploitation.
Author : F. Andriessen,M. Terpstra
Publisher : Springer
Page : 172 pages
File Size : 47,8 Mb
Release : 1989-02-28
Category : Science
ISBN : STANFORD:36105030490663
Author : Herbert A. Leupold,Ernest Potenziani
Publisher : Unknown
Page : 72 pages
File Size : 42,9 Mb
Release : 2007-12-01
Category : Science
ISBN : 1934939048
The design advantages resulting from the linear demagnetization curves of rare-earth permanent magnets are discussed. The magnetic analogue to Ohm's law is derived and its affiliation illustrated by an example. Other aspects of design, such as the replacement of magnetic circuits with equivalent pole densities and the significance of the energy product, are also discussed. (Author) .
Author : Marc Humphries
Publisher : DIANE Publishing
Page : 18 pages
File Size : 55,8 Mb
Release : 2010-11
Category : Science
ISBN : 9781437937985
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 : K.H.J. Buschow
Publisher : Trans Tech Publications Ltd
Page : 90 pages
File Size : 52,7 Mb
Release : 1999-01-10
Category : Technology & Engineering
ISBN : 9783035705881
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 : I. R. Harris
Publisher : North Holland
Page : 134 pages
File Size : 43,6 Mb
Release : 1989-01-01
Category : Science
ISBN : 0444880089
These papers provide an interesting collection of contributions on fundamental magnetic behaviour, microstructural studies, processing methods and applications of rare earth, iron-rich, high performance permanent magnets. The remarkably versatile nature of the Nd-Fe-B-type alloys with respect to magnet processing is very evident in these proceedings. Thus there are papers which describe the production of magnets by the die-upset-forging of melt-spun ribbon, by cold-compaction of melt-spun-ribbon with soft metals, by mechanical alloying and by hot working of cast material. Work is also reported on the production of new permanent magnets from melt-spun material based on the alloys Nd 4 Fe 78 B 18 and SmFe 11.5 Ti 1.04 . Both these alloys look promising and the former appears to be close to commercial exploitation.
Author : Anonim
Publisher : Unknown
Page : 236 pages
File Size : 40,8 Mb
Release : 1992
Category : Canberra, Australia
ISBN : UVA:X004003853
Author : Karl J. Strnat
Publisher : Unknown
Page : 824 pages
File Size : 43,9 Mb
Release : 1985
Category : Anisotropy
ISBN : PSU:000010856628
Author : Rollin J. Parker
Publisher : Wiley-VCH
Page : 0 pages
File Size : 48,5 Mb
Release : 1990-04-02
Category : Science
ISBN : 0471822930
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.