Concerted European Action on Magnets (CEAM)

Front Matter....Pages i-xvi
Front Matter....Pages 1-1
Research Collaboration in Europe — the Example of Ceam....Pages 3-16
Front Matter....Pages 17-17
Rare Earth Permanent Magnets — the Contribution of CEAM....Pages 19-33
Front Matter....Pages 35-35
The Prediction of Structure-Type and Magnetic Properties of Iron-Based Alloys....Pages 39-52
A Survey of the Experimental Literature on the B-Fe-Nd System and Related Topics....Pages 53-62
Novel Ternary Fe-Rich Rare Earth Intermetallics....Pages 63-75
Intrinsic Magnetic Properties of Iron-Rich Compounds with the Nd 2 Fe 14 B or ThMn 12 Structure....Pages 76-97
A Search for New Permanent Magnet Materials: Crystallographic and Magnetic Properties of New Compounds....Pages 98-108
Intrinsic and Extrinsic Magnetic Properties of Rare Earth-Transition Metal-Metalloid Alloys....Pages 109-121
A Search for New Fe-Rich Phases for the Development of Permanent Magnets....Pages 122-129
Novel Ternary Gd-Fe-Ti Alloys With ThMn 12 Structure....Pages 130-133
Structural and Magnetic Properties of RE 2 Fe 17 H x (RE = Nd,Sm) Hydrides and Iron-Rich Compounds Nd(Co 1-x Fe x ) 9 Si 2 and Gd(Fe x Al 1-x ) 12 ....Pages 134-145
Structural and Magnetic Properties of Some RE-(Fe,Mn)-(B,X) Alloys....Pages 146-157
Summary of Discussion: New Phases, Structures and Properties....Pages 159-160
Magnetic Properties of the R 2 Fe 14 B Compounds (R = Rare Earth), A Series of R-Fe Intermetallics....Pages 163-173
Magnetic Interactions in Rare-Earth — 3d Intermetallics....Pages 174-187
Macroscopic Studies of Magnetic Anisotropy in Rare-Earth Intermetallic Compounds....Pages 188-202
Intrinsic and Extrinsic Magnetic Properties of Substituted Nd 2 Fe 14 B Alloys and Magnets....Pages 203-213
Crystal Chemistry, Physical Properties, Hydridation Properties of Nd 2 Fe 14 B-Type of Compounds....Pages 214-229
Elaboration and Characterization of Nd 2 Fe 14 B-Type Phases and Their Hydrides....Pages 230-239
Magnetostriction and Low Field Magnetization Processes in RE 2 Fe 14 B Compounds....Pages 240-258
Front Matter....Pages 35-35
Summary of Discussions: Magnetic Properties and Chemical Substitution....Pages 259-261
N.M.R. Study of Intermetallic Compounds for Permanent Magnets....Pages 265-275
A Mössbauer Spectroscopy and Nuclear Magnetic Resonance Study of R 2 (Fe,Co) 14 B and Related Compounds....Pages 276-287
Mössbauer Study by 57 Fe and 174 Yb Mössbauer Spectroscopies of Yb 2 Fe 14 B, RCo 4-x Fe x B (R = Pr, Nd, Sm, Er, Tm, Lu) and SmFe 10 T 2 (T = Ti, V, Si)....Pages 288-299
Intrinsic Properties of Ternary Rare-Earth Compounds from 57 Fe, 161 Dy, 166 Er Mössbauer Spectroscopies....Pages 300-309
Hyperfine Interactions on R-Fe-B Compounds Studied by Mossbauer Spectroscopy....Pages 310-322
Development of 157 Gd and 145 Nd Mössbauer Resonances....Pages 323-329
Summary of Discussions: Atomic Scale Magnetism....Pages 331-331
Phase Equilibria in Fe-Nd-B and Related Systems and Microstructure of Sintered Fe-Nd-B Magnets....Pages 335-357
Effect of Some Addition Elements on the Phase Equilibria and Microstructure of Nd-Fe-B Alloys....Pages 358-368
The Nd 15 Fe 77 B 8 Microstructure: Some Effects of Oxygen for Different Solidification Conditions....Pages 369-376
Summary of Discussions: Phase Relations and Microstructure....Pages 377-378
Coercivity Mechanisms in Nd-Fe-B and Other Sintered Magnets....Pages 381-391
Magnetic Hardening Mechanism in Re-Fe-B Permanent Magnets....Pages 392-404
The Microstructure and Extrinsic Magnetic Properties of NdFeB-Based Materials....Pages 405-417
Magnetic Hardening Studies in Nd-Fe-B Magnets....Pages 418-423
Magnetization, Magnetocrystalline Anisotropy, Domain Wall Energies and Thicknesses in R 2 Fe 14 B Materials With R = Nd,Gd,Dy and Ho....Pages 424-435
NdFeB Magnets by Melt Spinning....Pages 436-448
Coercivity Distribution and Magnetic Stability of Nd-Fe-B Alloys....Pages 449-462
Summary of Discussions: Microstructure and Coercivity....Pages 463-464
Front Matter....Pages 35-35
Cast Rare Earth Alloys for Magnetic Materials Research....Pages 467-479
The Preparation of Neodymium-Metal and NdFeB-Alloys....Pages 480-488
Microstructural and Hydrogen Absorption Studies on Neodymium-Iron-Boron Materials....Pages 489-509
A Study of Nd-Fe-B Magnets Produced Using a Combination of Hydrogen Decrepitation and Jet Milling....Pages 510-520
A Contribution to the Mechanism of the Hydrogenation of Nd-Fe-B-Alloys and the Use of Hydrogenated Alloy for Permanent Magnet Production....Pages 521-531
Oxidation sizing experiments on neodymium-iron-boron magnet powders....Pages 532-542
Compositional and Process Effects on Structures and Properties of Fe-Nd-B-Based Ribbons and Magnets Produced by the Melt Spinning Route....Pages 543-557
Preferential Crystallite Orientation in Nd-Fe-B Melt Spun Flakes....Pages 558-562
The Production of NdFeB Magnets by the Rapid Solidification Processing Route....Pages 563-576
Summary of Discussions: Ingot Materials — Characterisation, Powder Processing and Melt Spinning....Pages 577-578
Preparation and Characterisation of Sintered NdFeB Magnets....Pages 581-581
The Development and Implementation of Commercially Viable Processing Techniques for Neodymium Iron Boron Magnets....Pages 582-599
Some Aspects of the Structure and Performance of NdFeB Ingots and Magnets....Pages 600-627
Feasibility Study of a Method to Obtain Corrosion Protection of the NdFeB-Type Magnet....Pages 628-639
The Stability of Nd Fe B Magnets....Pages 640-650
Summary of Discussions: Magnets — Production, Characterisation and Corrosion....Pages 651-651
Anisotropic NdFeB — Magnets Made by Plastic Deformation of Cast Samples....Pages 655-658
A Novel Process for Rare Earth-Iron-Boron Permanent Magnets Preparation....Pages 659-669
New Developments in Bonded Nd-Fe-B Magnets....Pages 670-678
Summary of Discussions: New Processes....Pages 679-679
Front Matter....Pages 35-35
Design and Performance of Small Brushless Machines with Nd-Fe-B Magnets....Pages 683-694
The Potential for NdFeB Magnets in Electrical Machines and Other Permanent Magnet Excited Devices....Pages 695-707
Permanent-Magnet A.C. and D.C. Machines....Pages 708-719
Computer Aided Design of Nd-Fe-B Permanent Magnet Motors....Pages 720-731
Advantages and Disadvantages of Using Neodymium Iron Boron in Electric Motors....Pages 732-742
Three Phase Pulse Width Modulation Waveform Generator for Use with Permanent Magnet Motors....Pages 743-757
Assembly of a Disc-Type Motor with High Energy Permanent Magnets....Pages 758-764
Magnetising Multi-Pole Nd-Fe-B Magnets....Pages 765-778
New Design of a Hybrid Stepping Motor Using Nd-Fe-B Permanent Magnets....Pages 779-780
FeNdB for Slotless, Brushless D.C. Machines....Pages 781-784
The Role of Neodymium-Iron-Boron in Relation to Other Materials for Permanent Magnet Machines with Embedded Rotor Magnets....Pages 785-801
Summary of Discussions: Rotating Machines....Pages 803-803
NdFeB Magnets: A Novel Magnetic Design for the Electron Cyclotron Resonance Ion Sources (E.C.R.I.S.)....Pages 807-817
Permanent Magnet System for Magnetic Resonance Imaging....Pages 818-831
Summary of Discussions: Static Permanent Magnet Devices....Pages 833-833
Back Matter....Pages 835-928