Bonded magnets are the fastest growing sector in the entire market for magnetic materials. Their great advantages lie in the cost effective net-shape manufacturing process allowing the achievement of complex geometries and their isotropic magnetic properties. Energy products have more than quadrupled in recent years, too. The contributors to this volume present the current and future status of bonded magnets, including total world production and distribution, the markets involved, and the status of current and future applications. Current novel processing techniques are described and new developments reported, including powder production techniques, jet casting/melt spinning, atomization and DDDR processes. The different types of bonded magnets reviewed include isotropic and anisotropic neodymium-iron-boron, nanocomposites, Sm-Fe interstitial nitrides, Sm-Co and ferrites.

Inhalt

Preface. Review on Bonded Magnets; M. Grönefeld. Aspects of NdFeB HDDR Powders: Fundamentals and Processing; N. Cannesan, I.R. Harris. Anisotropy Mechanism in HDDR Processed NdFeB; O. Guffleisch, G. Drazic, C. Mishirna, Y. Honkura. Extruded and Calendered Bonded Magnets - An Overview; V. Panchanathan, D.F. Davis. Bonded Rare Earth Magnets Produced by Hot Pressing; J. Liu, M. Walmer. Bonded Sm-Fe-N Anisotropic Magnets; T. Ishikawa, K. Ohmori. Developing Bonded HDDR Magnets for a Slovenian SME; P.J. McGuiness, S. Kobe. Magnetic Testing of Bonded Magnets; S.R. Trout. Coercivity Mechanism in Nanocrystalline and Bonded Magnets; D. Goll, H. Kronmüller. Pr-Fe-B-Cu Alloys Processed by Equal Channel Angular Pressing as Materials for Anisotropic Bonded Magnets; A.G. Popov, T.Z. Puzanova, A.S. Ermolenko, D.V. Gunderov, G.I. Raab, V.V. Stolyarov. Rheological Properties of Coated Re-Tm Powders; S. Kobe, S. Novak, P.J. McGuiness. Permanent Magets in Power Tools; R. Walter, B. Verbrugge.