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Improving the Properties of Permanent Magnets: A Study of Patents, Patent Applications, and Other Literature
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G.H.M. Koper, Marten Terpstra
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Elsevier Applied Science |
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1991.06.17 |
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Table of Contents
Methods to enchance the magnetic properties of magnets and
magnetic materials. Improvement of magnetic characteristics in
general. Improvement of coercivity, remanent flux density and energy
product. Improvement of coercivity and energy product. Improvement of
coercivity, saturation magnetization and squareness of hysteresis
loop. Improvement of coercivity. Improvement of remanent flux density
and energy product. Improvement of remanent flux density. Improvement
of energy product and square ratio. Improvement of magnetostrictive
response. Methods to improve the physical and chemical
characteristics of magnets and magnetic materials. Improvement of
corrosion resistance and thermal stability. Improvement of corrosion
resistance. Improvement of temperature characteristics. Methods to
improve other properties and characteristics of magnets and magnetic
materials. Improvement of workability. Improvement of sintering
characteristics. Improvement of dimensions. Improvement of mechanical
properties. Methods to lower the production costs of magnets and
magnetic materials. By using commercial manufacturing processes. By
emiminating specific costly production steps. By substituting
inexpensive materials for expensive materials. By other measures.
Methods to prevent risks during the production of magents and
magnetic materials. To prevent the formation of poisonous volatile
boron compounds. To prevent the risk of explosion. References.
Abbreviations used. List of patentees. |
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