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Fundamental Magnetic Studies Of Iron Rare Earth Metalloid Alloys
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Book Synopsis Fundamental Magnetic Studies of Iron-rare-earth-metalloid Alloys. Final Technical Report by :
Download or read book Fundamental Magnetic Studies of Iron-rare-earth-metalloid Alloys. Final Technical Report written by and published by . This book was released on 1990 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: Objective was to understand strongly magnetic rare earth-transition metal compounds and alloys, with potential use as hard or semi-hard permanent magnet materials. Efforts were focused on three areas: search for Fe-rich new phases and compounds with high magnetization, anisotropy, and Curie temperature; use of rapid solidification (melt-spinning) to produce fine grain and high coercivity; and relation of hard magnetic properties to microstructure and domain structure. Coercivities of up to 10 to 15 kOe have been produced.
Book Synopsis Fundamental Magnetic Studies of Iron-rare-earth-metalloid Alloys by :
Download or read book Fundamental Magnetic Studies of Iron-rare-earth-metalloid Alloys written by and published by . This book was released on 1990 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: Objective was to understand strongly magnetic rare earth-transition metal compounds and alloys, with potential use as hard or semi-hard permanent magnet materials. Efforts were focused on three areas: search for Fe-rich new phases and compounds with high magnetization, anisotropy, and Curie temperature; use of rapid solidification (melt-spinning) to produce fine grain and high coercivity; and relation of hard magnetic properties to microstructure and domain structure. Coercivities of up to 10 to 15 kOe have been produced.
Book Synopsis Rare Earth Permanent-Magnet Alloys’ High Temperature Phase Transformation by : Shuming Pan
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.
Book Synopsis Magnetic Properties of Metals by : H.P.J. Wijn
Download or read book Magnetic Properties of Metals written by H.P.J. Wijn and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last decades the knowledge of the magnetic properties of the d transition elements and of their metallic alloys and compounds has increased widely. The improvement of preparation techniques for well-defined substances, the development of sophisticated measuring methods and above all the drive to obtain more insight in the origin of magnetic interactions in solids have resulted in the publication of many specific magnetic properties for an abundance of all kinds of metallic materials. The data assembled in this booklet are selected from the comprehensive compilation of magnetic and related properties of metals in the Landolt-Bornstein New Series Group III sub volumes 19a, band c. It has been attempted to include preferentially those properties which are of a basic character and which therefore are most often needed by scientists active in the field of solid state magnetism. In the field of magnetism, there is a gradual transition from the use of cgs/emu units to SI units. It was, however, not intended to represent all data in the units of one system, regardless of how nice this would have been from a systematic point of view. Instead, mostly preference was given to the system of units that was originally used by the authors whose work is quoted. Thus cgs/ emu units occur most frequently. Of colirse the user of the tables and figures is helped in several ways to convert the data to the units which he is most familiar with, see, e. g.
Book Synopsis Rare Earth Permanent Magnets by : A.S. Nowick
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.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 910 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetic Properties of Rare Earth-iron Alloys by : Gerald L. Mouton (CAPT, USAF.)
Download or read book Magnetic Properties of Rare Earth-iron Alloys written by Gerald L. Mouton (CAPT, USAF.) and published by . This book was released on 1964 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetic Properties of Rare Earth Metals by : R. Elliott
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.
Book Synopsis Investigation of As-Cast Iron-Light Rare-Earth-Boron Alloys for Permanent Magnets by : G. C. Hadjipanayis
Download or read book Investigation of As-Cast Iron-Light Rare-Earth-Boron Alloys for Permanent Magnets written by G. C. Hadjipanayis and published by . This book was released on 1988 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: The magnetic and structural properties of Fe-R-B magnets were studied in the melt-spun and sintered state. The formation of Fe14R2B phase including its magnetic properties (Curie temperature, magnetic moment and coercivity) and the effects of partial substitutions of iron, rare-earth and metalloid were studied in melt-spun samples. The magnetic properties of as-cast Fe-R-B powders were examined as a function of particle size. The fine powders were sintered into dense magnets and the properties of the magnets were examined over a range of temperatures. The magnetic properties of all samples (melt-spun, powders and sintered magnets) were correlated with the microstructure and magnetic domain structure in an attempt to elucidate the origin of magnetic hardening in these materials. The results of these studies indicate that the high coercivities are due to domain wall pinning at grain boundaries in ribbons and sintered magnets and at the surface of the particles in powders. Keywords: Permanent magnet materials; Iron; Rubidium; Boron; Magnetic hardening; Rare earth alloys. (jes).
Book Synopsis An Investigation of Anisotropic Magnetic Properties of Rare Earth Iron Boron Alloys by : M. J. Hawton
Download or read book An Investigation of Anisotropic Magnetic Properties of Rare Earth Iron Boron Alloys written by M. J. Hawton and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1989 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rare Earth Metals Based Permanent Magnets by : F. Andriessen
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:
Book Synopsis Studies of the Magnetic Properties and Microstructures of Two Rare Earth-transition Metal Type Magnetic Alloys by : Tony Bailey
Download or read book Studies of the Magnetic Properties and Microstructures of Two Rare Earth-transition Metal Type Magnetic Alloys written by Tony Bailey and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetic Properties of Nanocomposite Rare Earth-iron-boron Alloys with Addition of Tantalum by : Norlaily Mohd saiden
Download or read book Magnetic Properties of Nanocomposite Rare Earth-iron-boron Alloys with Addition of Tantalum written by Norlaily Mohd saiden and published by . This book was released on 2011 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rare-earth Iron Permanent Magnets by : J. M. D. Coey
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.
Download or read book Metals Abstracts written by and published by . This book was released on 1993 with total page 1218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
