Hexaferrite Permanent Magnetic Materials

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Hexaferrite Permanent Magnetic Materials

Hexaferrite Permanent Magnetic Materials
Author :
Publisher : Materials Research Forum LLC
Total Pages : 198
Release :
ISBN-10 : 9781945291074
ISBN-13 : 1945291079
Rating : 4/5 (079 Downloads)

Book Synopsis Hexaferrite Permanent Magnetic Materials by : Sami H. Mahmood

Download or read book Hexaferrite Permanent Magnetic Materials written by Sami H. Mahmood and published by Materials Research Forum LLC. This book was released on 2016-10-10 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: This concise book presents the basic concepts of magnetism and magnetic properties pertinent to permanent magnetic materials. Emphasis is placed on hexaferrite materials for permanent magnet applications, with M-type ferrites as the focal point. The relatively high metallicity of magnetic materials for practical applications imposes limitations for their efficient use. Accordingly, magnetic oxides with ferromagnetic properties emerged as the most widely used magnetic materials for practical applications, owing to their characteristic high resistivity and low eddy current losses, chemical stability, simplicity of production in mass quantities, and other favorable characteristics. An important class of these oxides is the class of hexagonal ferrites developed in the early 1950’s, which dominated the world market of permanent magnet applications since the end of the 1980’s. Among these ferrites, the magnetoplumbite (M-type) hexaferrite, is produced nowadays in large quantities at very competitive low prices, thus providing the permanent magnet market with probably the most cost-effective magnetic material.


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