RU2016152409A - The method of producing ferrite products - Google Patents

The method of producing ferrite products Download PDF

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Publication number
RU2016152409A
RU2016152409A RU2016152409A RU2016152409A RU2016152409A RU 2016152409 A RU2016152409 A RU 2016152409A RU 2016152409 A RU2016152409 A RU 2016152409A RU 2016152409 A RU2016152409 A RU 2016152409A RU 2016152409 A RU2016152409 A RU 2016152409A
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RU
Russia
Prior art keywords
preforms
minutes
temperature
electron beam
press powder
Prior art date
Application number
RU2016152409A
Other languages
Russian (ru)
Other versions
RU2664745C2 (en
RU2016152409A3 (en
Inventor
Игорь Магомедович Исаев
Владимир Григорьевич Костишин
Сергей Владиленович Щербаков
Алексей Григорьевич Налогин
Владимир Васильевич Коровушкин
Original Assignee
Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС"
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Application filed by Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" filed Critical Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС"
Priority to RU2016152409A priority Critical patent/RU2664745C2/en
Publication of RU2016152409A publication Critical patent/RU2016152409A/en
Publication of RU2016152409A3 publication Critical patent/RU2016152409A3/ru
Application granted granted Critical
Publication of RU2664745C2 publication Critical patent/RU2664745C2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites

Claims (1)

Способ получения ферритовых изделий, включающий приготовление пресс-порошка, содержащего ферритовый материал и легирующую добавку в виде наноразмерного порошка карбонильного железа в количестве 0,01-0,03 мас.% от общей массы пресс-порошка, прессование заготовок, нагрев и радиационно-термическое спекание заготовок непрерывным электронным пучком электронного ускорителя, отличающийся тем, что проводят механоактивацию карбонильного железа в течение 8-15 мин, в пресс-порошок дополнительно вводят легкоплавкую добавку PbO в количестве 0,03-0,05 мас.% от общей массы пресс-порошка, заготовки нагревают электронным пучком до температуры плавления PbO 886°C и выдерживают при температуре 886-920°C в течение 30-40 мин, далее заготовки нагревают в электронном пучке до температуры 1300-1400°C и проводят выдержку при этой температуре в течение 30-120 мин.A method of producing ferrite products, including the preparation of a press powder containing ferrite material and a dopant in the form of nanosized carbonyl iron powder in an amount of 0.01-0.03 wt.% Of the total mass of the press powder, pressing blanks, heating and radiation-thermal sintering the preforms with a continuous electron beam of an electron accelerator, characterized in that the carbonyl iron is mechanically activated for 8-15 minutes, a low-melting PbO additive is added to the press powder in an amount of 0.03-0.05 wt.% t of the total mass of the press powder, the preforms are heated by an electron beam to a melting point of PbO 886 ° C and maintained at a temperature of 886-920 ° C for 30-40 minutes, then the preforms are heated in an electron beam to a temperature of 1300-1400 ° C and held at this temperature for 30-120 minutes
RU2016152409A 2016-12-29 2016-12-29 Method for obtaining ferrite products RU2664745C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2016152409A RU2664745C2 (en) 2016-12-29 2016-12-29 Method for obtaining ferrite products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2016152409A RU2664745C2 (en) 2016-12-29 2016-12-29 Method for obtaining ferrite products

Publications (3)

Publication Number Publication Date
RU2016152409A true RU2016152409A (en) 2018-07-02
RU2016152409A3 RU2016152409A3 (en) 2018-07-02
RU2664745C2 RU2664745C2 (en) 2018-08-22

Family

ID=62813988

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2016152409A RU2664745C2 (en) 2016-12-29 2016-12-29 Method for obtaining ferrite products

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RU (1) RU2664745C2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1391808A1 (en) * 1986-05-20 1988-04-30 Томский политехнический институт им.С.М.Кирова Method of radiation and heat treatment of materials
RU2037384C1 (en) * 1993-10-06 1995-06-19 Петрос Бахшиевич Авакян Nickel-zinc ferrite charge
US9373433B2 (en) * 2012-06-29 2016-06-21 General Electric Company Nanocomposite permanent magnets and methods of making the same
RU2548345C1 (en) * 2013-09-26 2015-04-20 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" Method for obtaining ferrite items

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Publication number Publication date
RU2664745C2 (en) 2018-08-22
RU2016152409A3 (en) 2018-07-02

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