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Nanocomposite permanent magnetic materials Nd-Fe-B type: The influence of nanocomposite on magnetic properties

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2005
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Authors
Talijan, Nadežda M.
Stajić-Trošić, Jasna
Grujić, Aleksandar
Ćosović, Vladan
Menushenkov, Vladimir
Aleksić, Radoslav
Article (Published version)
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Abstract
The influence on the magnetic properties of nanocristalline ribbons and powders has character of microstructure, between others – the grain size volume of hard and soft magnetic phases and their distribution. Magnetic properties of ribbons and powders depend mainly on their chemical composition and parameters of their heat treatment [1]. Technology of magnets from nanocristalline ribbon consists of the following process: preparing the Nd-Fe- B alloy, preparing the ribbon, powdering of the ribbon, heat treatment of the powder and finally preparing the magnets. Nanocomposite permanent magnet materials based on Nd-Fe- B alloy with Nd low content are a new type of permanent magnetic material. The microstructure of this nanocomposite permanent magnet is composed of a mixture of magnetically soft and hard phases which provide so called exchange coupling effect.
Keywords:
melt-spun Nd-Fe-B / heat treatment / nanocomposite / exchange coupling / magnetic properties
Source:
Journal of Mining and Metallurgy B: Metallurgy, 2005, 41, 1, 95-102
Publisher:
  • Technical Faculty, Bor
Projects:
  • OI 1212

DOI: 10.2298/JMMB0501095T

ISSN: 1450-5339

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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/211
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