Rare Earth Permanent Magnets

PrefaceAcknowledgmentsChapter I. Some Elementary Aspects of Magnetism Atomic Magnetism and Magnetic Alignment Magnetic Domains Magnetization Thermal Variation of Magnetization Magnetic Anisotropics Permanent Magnet Materials Appendix 1.1 Magnetic Units Appendix 1.2 Instructions for Making a Colloidal Suspension of Magnetite and Preparing Metal Surfaces for Microscopic Observation of Domains Appendix 1.3 Equations Used for Design of Permanent Magnets ReferencesChapter II. The Rare Earth Elements and Their Alloys with Cobalt, Copper, and Iron Electronic Nature of Rare Earth Elements Rare Earth Alloys Co5R and Cu5R Phases Fe5R Phases Multicomponent A5B Phases Phases of Stoichiometry A17R2 Preparation of Alloys ReferencesChapter III. Magnetic Properties of Intermetallic Compounds Relevant to Permanent Magnets The Co5R Phases Magnetocrystalline Anisotropy The Co17R2 and Fe17R2 Phases ReferencesChapter IV. Cast Permanent Magnets of the Co-Cu-Sm and Co-Cu-Ce Systems and Their Modifications Magnetic Properties of Alloys in the Co5Sm-Cu5Sm System Further Effect of Heat Treatment of Co5Sm-Cu5Sm Alloys Magnetic Properties of Alloys in the Co5Ce-Cu5Ce System Heat Treatment of the Alloy Co3.5Fe0.5CuCe Summary of Magnetic Properties of C04.5-XCuxFe0.5Ce External Field Supplied by Arc Melted Buttons Magnetic Properties of Cast Alloys in the Co-Cu-Fe-Ce-Sm System, Including Alloys Containing Misch Metal (MM) in Place of Ce Optical Metallography Electron Diffraction and Metallography Mechanism of Magnetization Thermal Properties Appendix 4.1 ReferencesChapter V. Co5R Permanent Magnets Based on Powders Magnetic Behavior of Powders Methods of Producing and Properties of Magnets Recapitulation ReferencesChapter VI. Comparison of Permanent Magnet Materials Martensitic Magnet Steels Alnico Magnets Cunife and Cunico Remalloy Vicalloys Platinum-Cobalt yFe2O3 and Fe3O4 Hexagonal Ferrite (Ceramic) Magnets Rare Earth Magnets ReferencesAuthor IndexSubject Index