Show metadata Hide metadata

(19)

(11)

2 790 847

(13)

(51)

IPC

B22F3/24(2006-01-01)

H01F41/22(2006-01-01)

C21D1/25(2006-01-01)

(21) (22)

Application

2022104988, 2022-02-25

(24)

Start date

2022-02-25

(22)

Actual filing date

2022-02-25

(45)

Published

2023-02-28

(72)

Inventor

Milyaev Igor MatveevichYusupov Vladimir SabitovichMilyaev Aleksandr IgorevichAlymov Mikhail IvanovichZelenskij Viktor AleksandrovichLajsheva Nadezhda Vladimirovna

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Institut Metallurgii I Materialovedeniya Im. A.A. Bajkova Rossijskoj Akademii Nauk Ran)

METHOD FOR HEAT TREATMENT OF POWDERED MAGNETIC HARD ALLOY Fe-30Cr-16Co-0.5Sm Russian patent published in 2023 - IPC B22F3/24 H01F41/22 C21D1/25

Abstract RU 2790847 C1

FIELD: metallurgy.

SUBSTANCE: methods for heat treatment of powdered hard magnetic alloys of the iron-chromium-cobalt system. The invention can be used for production of permanent magnets. Powdered hard magnetic alloy Fe-30Cr-16Co-0.5Sm is subjected to homogenization at 1300°C for 1 hour and hardening from 1300°C. Then ITMT is carried out at 656°C for 23 min, followed by two-stage tempering by cooling from 656°C to 580°C with speed v₁ = 13.6°C/hour and subsequent cooling from 580° to 500° at v₂ = 4.8°C/hour.

EFFECT: increase of magnetic hysteresis properties.

1 cl, 4 dwg, 2 tbl

Similar patents RU2790847C1

Title	Year	Author	Number
METHOD OF HEAT TREATMENT OF MAGNETICALLY HARD ALLOYS OF IRON-CHROME-COBALT SYSTEM WITH COBALT CONTENT 8 WT %	2014	Alymov Mikhail Ivanovich Miljaev Igor' Matveevich Ankudinov Aleksej Borisovich Vompe Tat'Jana Alekseevna Zelenskij Viktor Aleksandrovich Jusupov Vladimir Sabitovich	RU2557852C1
METHOD OF PRODUCING POWDERED MAGNETICALLY HARD ALLOY 30H20K2M2V OF IRON-CHROME-COBALT SYSTEM	2015	Milyaev Igor Matveevich Alymov Mikhail Ivanovich Yusupov Vladimir Sabitovich Stelmashok Sergej Ivanovich Zelenskij Viktor Aleksandrovich Milyaev Aleksandr Igorevich Ankudinov Aleksej Borisovich	RU2607074C1
HEAT TREATMENT METHOD OF HARD-MAGNETIC ALLOYS BASED ON IRON-CHROME-COBALT SYSTEM	2012	Miljaev Igor' Matveevich Jusupov Vladimir Sabitovich Lajsheva Nadezhda Vladimirovna Miljaev Aleksandr Igorevich Ryzhik Marija Petrovna Gorokhova Ljubov' Nikolaevna Segal Tat'Jana Aleksandrovna	RU2511136C2
MANUFACTURING METHOD OF SINTERED HARD-MAGNETIC ALLOYS BASED ON IRON-CHROME-COBALT SYSTEM	2013	Alymov Mikhail Ivanovich Miljaev Igor' Matveevich Jusupov Vladimir Sabitovich	RU2534473C1
HEAT TREATMENT METHOD OF DEFORMED HARD-MAGNETIC ALLOYS BASED ON IRON-CHROME-COBALT SYSTEM	2012	Miljaev Igor' Matveevich Jusupov Vladimir Sabitovich Lajsheva Nadezhda Vladimirovna Miljaev Aleksandr Igorevich Ryzhik Marija Petrovna Gorokhova Ljubov' Nikolaevna Segal Tat'Jana Aleksandrovna	RU2495140C1
METHOD OF THE THERMAL TREATMENT OF THE HARD MAGNETIC ALLOYS ON THE BASIS OF IRON	2006	Kovneristyj Julij Konstantinovich Miljaev Aleksandr Igorevich Jusupov Vladimir Sabitovich Miljaev Igor' Matveevich	RU2305710C1
METHOD FOR TREATING MAGNETICALLY HARD ALLOYS ON BASE OF IRON-CHROME-COBALT SYSTEM	2005	Korznikov Aleksandr Veniaminovich Kovneristyj Julij Konstantinovich Korznikova Gallija Ferdinandovna Miljaev Aleksandr Igorevich	RU2281339C1
PRODUCTION OF IRON-CHROMIUM-COBALT-SYSTEM-BASED MAGNETICALLY HARD ALLOY POWDERS	2013	Alymov Mikhail Ivanovich Miljaev Igor' Matveevich Jusupov Vladimir Sabitovich Zelenskij Viktor Aleksandrovich Ankudinov Aleksej Borisovich Miljaev Aleksandr Igorevich	RU2533068C1
IRON-BASED ALLOY AND A METHOD OF PRODUCTION THEREOF	2003	Miljaev A.I. Kovneristyj Ju.K. Efimenko S.P.	RU2238996C1
HEAT TREATMENT METHOD FOR HARD MAGNETIC ALLOYS BASED ON IRON-CHROMIUM-COBALT SYSTEM	2003	Miljaev A.I. Kovneristyj Ju.K. Efimenko S.P. Khajkina G.N.	RU2238985C1

RU 2 790 847 C1

Authors

Milyaev Igor Matveevich

Yusupov Vladimir Sabitovich

Milyaev Aleksandr Igorevich

Alymov Mikhail Ivanovich

Zelenskij Viktor Aleksandrovich

Lajsheva Nadezhda Vladimirovna

Dates

2023-02-28—Published

2022-02-25—Filed