RU2013118593A - METHOD FOR PRODUCING MAGNETIC HARD MATERIAL Sm2Fe17NX - Google Patents
METHOD FOR PRODUCING MAGNETIC HARD MATERIAL Sm2Fe17NX Download PDFInfo
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- RU2013118593A RU2013118593A RU2013118593/05A RU2013118593A RU2013118593A RU 2013118593 A RU2013118593 A RU 2013118593A RU 2013118593/05 A RU2013118593/05 A RU 2013118593/05A RU 2013118593 A RU2013118593 A RU 2013118593A RU 2013118593 A RU2013118593 A RU 2013118593A
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- mechanical activation
- nitriding
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- hard material
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- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
Способ получения магнитотвердого материала SmFeN, заключающийся в смешивании порошков Sm и Fe для образования соединения SmFe, их механоактивации с последующим азотированием, отличающийся тем, что на начальном этапе механоактивацию проводят в высокоэнергонапряженной мельнице в инертной атмосфере без содержания влаги в течение 2-3 часов, для азотирования в реактор мельницы вводят аммиак и водород в соотношении NH85-95% и H5-15%, продолжают механоактивацию в течение 5-7 ч с последующим введением высокомолекулярного соединения полиметилметакрилата (ПММА) в количестве 2-4% от массы исходной порошковой смеси и продолжают процесс механоактивации еще 10-15 мин.A method for obtaining a magnetically hard material SmFeN, which consists in mixing Sm and Fe powders to form a SmFe compound, their mechanical activation followed by nitriding, characterized in that at the initial stage, mechanical activation is carried out in a high-energy mill in an inert atmosphere without moisture content for 2-3 hours, for nitriding, ammonia and hydrogen are introduced into the mill reactor in a ratio of NH85-95% and H5-15%, mechanical activation is continued for 5-7 hours, followed by the introduction of a high-molecular compound polymethyl methacrylate (PMMA) in an amount of 2-4% by weight of the initial powder mixture and continue the process of mechanical activation for another 10-15 minutes.
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RU2013118593/05A RU2531393C1 (en) | 2013-04-22 | 2013-04-22 | METHOD OF OBTAINING SOLID MAGNESIUM MATERIAL Sm2Fe17NX |
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RU2013118593/05A RU2531393C1 (en) | 2013-04-22 | 2013-04-22 | METHOD OF OBTAINING SOLID MAGNESIUM MATERIAL Sm2Fe17NX |
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RU2531393C1 RU2531393C1 (en) | 2014-10-20 |
RU2013118593A true RU2013118593A (en) | 2014-10-27 |
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RU2013118593/05A RU2531393C1 (en) | 2013-04-22 | 2013-04-22 | METHOD OF OBTAINING SOLID MAGNESIUM MATERIAL Sm2Fe17NX |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2596166C1 (en) * | 2015-07-31 | 2016-08-27 | федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого" (ФГАОУ ВО "СПбПУ") | METHOD FOR PRODUCTION OF HARD-MAGNETIC MATERIAL Sm2M17Nx |
RU2648335C1 (en) * | 2016-12-15 | 2018-03-23 | федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого" (ФГАОУ ВО "СПбПУ") | Method for production of hard-magnetic material |
JP7025230B2 (en) * | 2017-06-30 | 2022-02-24 | トヨタ自動車株式会社 | Rare earth magnets and their manufacturing methods |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5288339A (en) * | 1990-07-25 | 1994-02-22 | Siemens Aktiengesellschaft | Process for the production of magnetic material based on the Sm-Fe-N system of elements |
JP3813543B2 (en) * | 2002-06-04 | 2006-08-23 | 本田技研工業株式会社 | Method for processing magnet powder |
RU2226012C1 (en) * | 2002-12-03 | 2004-03-20 | Общество с ограниченной ответственностью "Перспективные магнитные технологии и консультации" | Polymer magnetic material |
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Effective date: 20160423 |