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1 2012

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The influence of densification temperature and the size of powder particles on the properties of isotropic Nd-Fe-B magnets made of quenched ribbons

Lipiec W., Wilczyński W., Szubzda B.

Materials Science Poland

2012

Vol. 30, No. 4

297--302

The influence of densification temperature and the size of powder particles on magnetization of remanence Jr, coercivity JHc of hot-densified Nd-Fe-B magnets made of MQP-A quenched ribbons was investigated. A connection between magnetic properties, parameters of production process and microstructure of the magnet was confirmed. It was found that the remanence of isotropic magnet depends on temperature of hot densification process but is practically independent of the size of powder particles. On the other hand, the temperature of hot densification process and the size of powder particles have a substantial influence on coercivity.