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Method for preparing permanent-magnet ferrite pre-sintered material

KUANG XUEDONG / YUAN XIAOZHEN / WU YONGLU / QIU SHIXING

The invention relates to a method for preparing a permanent-magnet ferrite pre-sintered material, in particular to a preparation method of a hybrid ferrite pre-sintered material. The method is characterized in that raw materials adopt more than one ferric oxide source forms, after b-type Fe2O3 is mixed, particularly when lower-temperature pre-sintering is adopted, a conventional additive, but not rare earth or noble metal elements, is used for secondary fine grinding, so that relatively high performance can be obtained while the cost is lowered.

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Method for preparing permanent-magnet ferrite pre-sintered material

KUANG XUEDONG / YUAN XIAOZHEN / WU YONGLU / QIU SHIXING

The invention relates to a method for preparing a permanent-magnet ferrite pre-sintered material, in particular to a preparation method of a hybrid ferrite pre-sintered material. The method is characterized in that raw materials adopt more than one ferric oxide source forms, after b-type Fe2O3 is mixed, particularly when lower-temperature pre-sintering is adopted, a conventional additive, but not rare earth or noble metal elements, is used for secondary fine grinding, so that relatively high performance can be obtained while the cost is lowered.

Method for preparing permanent-magnet ferrite pre-sintered material

KUANG XUEDONG / YUAN XIAOZHEN / WU YONGLU / QIU SHIXING

The invention relates to a method for preparing a permanent-magnet ferrite pre-sintered material, in particular to a preparation method of a hybrid ferrite pre-sintered material. The method is characterized in that raw materials adopt more than one ferric oxide source forms, after b-type Fe2O3 is mixed, particularly when lower-temperature pre-sintering is adopted, a conventional additive, but not rare earth or noble metal elements, is used for secondary fine grinding, so that relatively high performance can be obtained while the cost is lowered.

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Titel:

Method for preparing permanent-magnet ferrite pre-sintered material

Beteiligte:

KUANG XUEDONG (Autor:in) / YUAN XIAOZHEN (Autor:in) / WU YONGLU (Autor:in) / QIU SHIXING (Autor:in)

Erscheinungsdatum:

11.11.2015

Medientyp:

Patent

Format:

Elektronische Ressource

Sprache:

Englisch

Klassifikation:

IPC: C04B Kalk , LIME

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