MAGNETIC MATERIAL, AND ITEM MADE FROM IT Russian patent published in 2015 - IPC H01F1/57 B22F3/12 

Abstract RU 2537947 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to magnetic material containing praseodymium, iron, cobalt, boron, copper and at least one element chosen from a group of gadolinium (Gd), dysprosium (Dy), samarium (Sm), and cerium (Ce). In addition, material contains zinc (Zn). Chemical composition of the material corresponds to the following formula, atm %: (Pr1-x1-x2R1x1R2x2)11.5-16(Fe1-y1Coy1)rest(ZnzCu1-z)y2B6-20, where R1 - at least one element chosen from the group of Gd, Dy, R2 - at least one element chosen from the group of Sm, Ce; x1=0.20-0.50; x2=0.01-0.25; y1=0.30-0.55; y2=0.1-3.0; z=0.001-0.1. Besides, an item made from the above magnetic material is proposed.

EFFECT: increasing the yield ratio of ring-type magnets with a radial texture with high temperature stability of magnetic properties and improving coercitive force HCI of magnetic material.

2 cl, 1 tbl

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RU 2 537 947 C1

Authors

Kablov Evgenij Nikolaevich

Piskorskij Vadim Petrovich

Valeev Ruslan Anverovich

Buzenkov Aleksandr Vladimirovich

Dates

2015-01-10Published

2013-09-09Filed