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5. Other materials for permanent magnets
5.1 Ductile alloys
The main drawbacks of magnet materials are that they are brittle, hard and breakable. There are a number of alloys whose magnetic properties are those of hard magnetic materials, and which have the advantage of being ductile. They are therefore easily machined, rolled or drawn. However, because their magnetic properties - particularly their coercive field strength - are low, and the cost of the raw materials they are made from is high, they are not widely used, even though...
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Standardization
- Magnetic materials – Method for measuring the coercive field of magnetic materials in an open magnetic circuit (classification index: C28-921) - NF EN 10330 - 08-03
- Magnetic materials – Materials for permanent magnets (magnetically hard) – Methods for measuring magnetic properties (Classification index: C28-919) - NF EN 10332 - 03-04
- Quantities and units – General principles. - NF X02-001 - 12-93
- Basic...
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Groupe de Physique des Matériaux GPM – University of Rouen http://www.univ-rouen.fr/gpm/
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Grenoble Electrical Engineering Laboratory
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