Concerted European Action on Magnets (CEAM)

Section I: Research Collaboration in Europe — the Example of CEAM.- Section I: Research Collaboration in Europe — the Example of CEAM.- Section II: Rare Earth Permanent Magnets — the Contribution of CEAM.- Section II: Rare Earth Permanent Magnets — the Contribution of CEAM.- Section III: Final Reports of Participants.- A. Materials.- 1: New Phases, Structures and Properties.- 1.1 The Prediction of Structure-type and Magnetic Properties of Iron-based Alloys.- 1.2 A Survey of the Experimental Literature on the B-Fe-Nd System and Related Topics.- 1.3 Novel Ternary Fe-Rich Rare Earth Intermetal1ics.- 1.4 Intrinsic Magnetic Properties of Iron-rich Compounds with the Nd2Fe14B or ThMn12Structure.- 1.5 A Search for New Permanent Magnet Materials: Crystallographic and Magnetic Properties of New Compounds.- 1.6 Intrinsic and Extrinsic Magnetic Properties of Rare Earth-Transition Metal-Metalloid Alloys.- 1.7 A Search for New Fe-Rich Phases for the Development of Permanent Magnets.- 1.8 Novel Ternary Gd-Fe-Ti Alloys with ThMn12 Structure.- 1.9 Structural and Magnetic Properties of RE2Fe17Hx (RE = Nd,Sm) Hybrides and Iron-rich Compounds Nd(Co1-xFex)9Si2 and Gd(FexAl1-x)12.- 1.10 Structural and Magnetic Properties of So«e RE-(Fe,Mn)-(B,X) Alloys.- Summary of discussions: Buschow and Pettifor.- 2: Magnetic Properties and Chemical Substitution.- 2.1 Magnetic Properties of the the R2Fe14BConpounds (R = Rare Earth), a Series of R-FE Interaetallics.- 2.2 Magnetic Interactions in Rare-Earth — 3d Internetallies.- 2.3 Macroscopic Studies of Magnetic Anistropy in Rare-Earth Internetallic Compounds.- 2.4 Intrinsic and Extrinsic Magnetic Properties of Substituted Nd2Fe14B Alloys and Magnets.- 2.5 Crystal Cheaistry, Physical Properties, Hydridation Properties of Nd2Fe14B — Type of Compounds.- 2.6 Elaboration and Characterization of Nd2Fe14B — T y p e Phases and their Hydrides.- 2.7 Magnetostriction and Low Field Magnetization Processes in R E2F e1 4B Compounds.- Summary of discussions: Franse and Kirchmayr.- 3: Atomic Scale Magnetism.- 3.1 N.M.R. Study of Intermetal1ic Compounds for Permanent Magnets.- 3.2 A Mdssbauer Spectroscopy and Nuclear Magnetic Resonance Study of R2 ( Fe,Co)14B and Related Compounds.- 3.3 Mdssbauer Study by 57Fe and 174Yb Mössbauer Spectroscopies of Yb2Fe 14B, RCo4-xFexB (R = Pr, Nd, Sm, Er, Tm, Lu) and SmFe10T2 (T = Ti, V, Si).- 3.4 Intrinsic Properties of Ternary Rare-Earth Compounds from 57Fe, 161Dy, 166Er Mössbauer Spectroscopies.- 3.5 Hyperfine Interactions on R-Fe-B Compounds Studied by Mössbauer Spectroscopy.- 3.6 Development of 157Gd and 145N d Mössbauer Resonances.- Summary of discussions: Czjzek and Niarchos.- 4: Phase Relations and Microstructure.- 4.1 Phase Equilibria in Fe-Nd-B and Related Systems and Microstructure of Sintered Fe-Nd-B Magnets.- 4.2 Effect of Some Addition Elements on the Phase Equilibria and Microstructure of Nd-Fe-B Alloys.- 4.3 The Nd15Fe77B8 Microstructure: Some Effects of Oxygen for Different Solidification Conditions.- Summary of discussions: Allibert and Schneider.- 5: Microstructure and Coercivity.- 5.1 Coercivity Mechanises in Nd-Fe-B and other Sintered Magnets.- 5.2 Magnetic Hardening Mechanise in Re-Fe-B Permanent Magnets.- 5.3 The Microstructure and Extrinsic Magnetic Properties of NdFeB-based Materials.- 5.4 Magnetic Hardening Studies in Nd-Fe-B Magnets.- 5.5 Magnetization, Magnetocrystalline Anisotropy, Doaain Vail Energies and Thicknesses in R2Fe14-B Materials with R = Nd, Gd, Dy and Ho.- 5.6 Nd-Fe-B Magnets by Melt Spinning.- 5.7 Coercivity Distribution and Magnetic Stability of Nd-Fe-B Alloys.- Summary of discussions: Fidler and Grundy.- B. Magnet Processing.- 6: Ingot Materials — Characterisation, Powder Processing and Melt Spinning.- 6.1 Cast Rare Earth Alloys for Magnetic Materials Research.- 6.2 The Preparation of Neodyaiua-Metal and NdFeB-Alloys.- 6.3 Microstructural and Hydrogen Absorption Studies on Neodyaiua-Iron-Boron Materials.- 6.4 A Study of Nd-Fe-B Magnets Produced Using a Combination of Hydrogen Decrepitation and Jet Milling.- 6.5 A Contribution to the Mechanism of the Hydrogenation of Nd-Fe-B-Alloys and the Use of Hydrogenated Alloy for Permanent Magnet Production.- 6.6 Oxidation Sizing Experiments on Neodymium-Iron-Boron Magnet Powders.- 6.7 Compositional and Process Effects on Structures and Properties of Fe-Nd-B-Based Ribbons and Magnets Produced by the Melt Spinning Route.- 6.8 Preferential Crystallite Orientation in Nd-Fe-B Melt Spun Flakes.- 6.9 The Production of NdFeB Magnets by the Rapid Solidification Processing Route.- Summary of discussions: Rozendaal and Davies.- 7: Magnets — Production, Characterisation and Corrosion.- 7.1 Preparation and Characterisation of Sintered NdFeB Magnets.- 7.2 The Development and Implementation of Commercially Viable Processing Techniques for Neodymium Iron Boron Magnets.- 7.3 Some Aspects of the Structure and Performance of NdFeB Ingots and Magnets.- 7.4 Feasibility Study of a Method to Obtain Corrosion Protection of the NdFeB-Type Magnet.- 7.5 The Stability of Nd-Fe-B Magnets.- Summary of discussions: Davies and Rozendaal.- 8: New Processes.- 8.1 Anisotropic NdFeB Magnets by Plastic Deformation of Cast Samples.- 8.2 A Novel Process for Rare-Earth Iron Boron Permanent Magnets Preparation.- 8.3 New developments in Bonded Nd-Fe-B Magnets.- Summary of discussions: Coey.- C. Applications.- 9: Rotating Machines.- 9.1 Design and Performance of Small Brushless Machines with Nd-Fe-B Magnets.- 9.2 The Potential for NdFeB Magnets in Electrical Machines and other Permanent Magnet Excited Devices.- 9.3 Permanent-Magnet A.C. and D.C. Machines.- 9.4 Computer Aided Design of Nd-Fe-B Permanent Magnet Motors.- 9.5 Advantages and Disadvantages of Using Neodymium Iron Boron in Electric Motors.- 9.6 Three Phase Pulse Width Modulation Waveform Generator for Use with Permanent Magnet Motors.- 9.7 Assembly of a Disc-Type Motor with High Energy Permanent Magnets.- 9.8 Magnetising Multi-Pole Nd-Fe-B Magnets.- 9.9 New Design of a Hybrid Stepping Motor Using Nd-Fe-B Permanent Magnets.- 9.10 FeNdB for Slotless, Brushless D.C. Machines.- 9.11 The Role of Neodymium-Iron-Boron in Relation to Other Materials for Permanent Magnet Machines with Embedded Rotor Magnets.- Summary of discussions: Kamerbeek and Hanitsch.- 10: Static Permanent Magnet Devices.- 10.1 NdFeB Magnets: A Novel Magnetic Design for the Electron Cyclotron Resonance Ion Sources (E.C.R.I.S.).- 10.2 Permanent Magnet Systen for Magnetic Resonance Imaging.- Summary of discussions: Locher.- Appendix .i. List of CODEST members.- Appendix .ii. Names and addresses of CEAM participants.- Appendix .iii. List of publications of CEAM participants (by subcontract).- Appendix .iv. Subject index.- Appendix .v. List of Authors.