By M. Grönefeld (auth.), George C. Hadjipanayis (eds.)
Bonded magnets are the quickest growing to be area within the complete marketplace for magnetic fabrics. Their nice merits lie within the low-priced net-shape production method permitting the success of advanced geometries and their isotropic magnetic houses. strength items have greater than quadrupled in recent times, too. The participants to this quantity current the present and destiny prestige of bonded magnets, together with overall global creation and distribution, the markets concerned, and the prestige of present and destiny purposes. present novel processing options are defined and new advancements said, together with powder construction ideas, jet casting/melt spinning, atomization and DDDR procedures. the different sorts of bonded magnets reviewed comprise isotropic and anisotropic neodymium-iron-boron, nanocomposites, Sm-Fe interstitial nitrides, Sm-Co and ferrites.
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Additional resources for Bonded Magnets: Proceedings of the NATO Advanced Research Workshop on Science and Technology of Bonded Magnets Newark, U.S.A. 22–25 August 2002
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The common activators are zinc oxide, stearic acid, magnesia and amines. Retarders are ingredients used to reduce scorchiness of a compound and gives more processing safety without affecting the cure rate or vulcanization properties. The common retarder is cyclohexyl-N-thiophthalimide. Antidegradents are ingredients used to retard the deterioration of rubber compounds initiated by oxygen , ozone, heat, light etc. Along with this waxes are used to provide a coating, which protects the rubber compound from ozone.
Acknowledgements The authors are thankful to the management of Kane Magnetics International for their permission to publish the paper . 9. References 1. Brown, A. Overview of bonded ferrite, (April 2002), Intertech Polymer Bonded Magnets 2002 Conference in Chicago. 2. Harada, H. Market and New Products of Bonded Magnets in Japan, (April 2002), Intertech Polymer Bonded Magnets 2002 Conference in Chicago. 54 3. Ormerod, J. Reports of the Death of Bonded Ferrite have been Greatly Exaggerated, (May 2001), Gorham NdFeB Magnets and NdFeB Magnet Systems 2001 Conference in Atlanta.