Method for preparing high performance SmCo permanent magnet material

A permanent magnet material, high-performance technology, applied in the direction of magnetic materials, magnetic objects, electrical components, etc., can solve the problem of low performance, achieve the effect of improving remanence, improving permanent magnet performance, and improving market competitiveness
CN102766835AInactive Publication Date: 2012-11-07INNER MONGOLIA UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INNER MONGOLIA UNIV OF SCI & TECH
Publication Date
2012-11-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a method for preparing a high performance SmCo permanent magnet material and belongs to the field of preparation of rare earth permanent magnet materials. The method includes that Sm (Col-u-v-wCuuFevZrw) z is used for preparing the SmCo permanent magnet material through processes of smelting, milling, compression molding, sintering, solid solution, magnetic field aging treatment, magnetic field post-heat treatment and the like. The permanent magnet material obtained after the magnetic field aging treatment or the magnetic field post-heat treatment can induce magnetic uniaxial anisotropy in the filed, the orientation degree is increased, so that the magnetic performance of the SmCo permanent magnet material is improved substantially.
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Description

technical field

[0001] The invention relates to a method for preparing permanent magnet materials, in particular to a method for preparing high-performance SmCo permanent magnet materials. Background technique

[0002] Rare earth permanent magnet material is a new type of functional material developed since the 1960s. It is a permanent magnet material based on an intermetallic compound formed by rare earth metals and 3d transition metals. The remanence Br, coercive force Hc and maximum magnetic energy product (BH)max of rare earth permanent magnet materials are generally very high, making them widely used in microwave communication technology, audio-visual technology, electrical engineering, instrument technology, computer technology, automation technology, transportation It has been widely used in transportation, petrochemical engineering, magnetization technology, magnetic separation technology, bioengineering and magnetic medical and fitness equipment.

[0003] 2:17 type...

Claims

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