RU2005123385A - MAGNETIC-SOFT POWDER COMPOSITION, INCLUDING ISOLATED PARTICLES AND LUBRICANTS, SELECTED FROM ORGANOSILANES, -TITANATES, -ALUMINATES AND -ZIRCONATES, AND METHOD - Google Patents

MAGNETIC-SOFT POWDER COMPOSITION, INCLUDING ISOLATED PARTICLES AND LUBRICANTS, SELECTED FROM ORGANOSILANES, -TITANATES, -ALUMINATES AND -ZIRCONATES, AND METHOD Download PDF

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RU2005123385A
RU2005123385A RU2005123385/02A RU2005123385A RU2005123385A RU 2005123385 A RU2005123385 A RU 2005123385A RU 2005123385/02 A RU2005123385/02 A RU 2005123385/02A RU 2005123385 A RU2005123385 A RU 2005123385A RU 2005123385 A RU2005123385 A RU 2005123385A
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composition according
group
particles
iron
compound
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RU2005123385/02A
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RU2335817C2 (en
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Михаил КЕЙЗЕЛМАН (SE)
Михаил КЕЙЗЕЛМАН
Бьерн СКОРМАН (SE)
Бьерн СКОРМАН
Пауль СКОГЛУНД (SE)
Пауль Скоглунд
Ола АНДЕРССОН (SE)
Ола АНДЕРССОН
Пер КНУТССОН (SE)
Пер Кнутссон
Хильмар ВИДАРССОН (SE)
Хильмар Видарссон
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Хеганес Аб (Se)
Хеганес Аб
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    • 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
    • H01F1/14—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 metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14708—Fe-Ni based alloys
    • H01F1/14733—Fe-Ni based alloys in the form of particles
    • H01F1/14741—Fe-Ni based alloys in the form of particles pressed, sintered or bonded together
    • H01F1/1475—Fe-Ni based alloys in the form of particles pressed, sintered or bonded together the particles being insulated
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/105—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing inorganic lubricating or binding agents, e.g. metal salts
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/16—Metallic particles coated with a non-metal
    • 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
    • H01F1/14—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 metals or alloys
    • H01F1/20—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 metals or alloys in the form of particles, e.g. powder
    • H01F1/22—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H01F1/26—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Soft Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Lubricants (AREA)
  • Silicon Polymers (AREA)

Abstract

The present invention concerns a new ferromagnetic powder composition comprising soft magnetic iron-based core particles wherein the surface of the core particles are surrounded by an insulating coating, and a lubricating amount of a compound selected from the group consisting of silanes, titanates, aluminates, zirconates, or mixtures thereof. The invention also concerns a process for the preparation of soft magnetic composite materials using the new powder composition.

Claims (25)

1. Ферромагнитная порошковая композиция, включающая магнитно-мягкие частицы сердцевины на основе железа, где поверхность частиц сердцевины окружена изолирующим неорганическим покрытием, и смазывающее количество соединения, выбранного из группы, состоящей из силанов, титанатов, алюминатов, цирконатов или их смесей.1. A ferromagnetic powder composition comprising magnetically soft iron-based core particles, where the surface of the core particles is surrounded by an insulating inorganic coating, and a lubricating amount of a compound selected from the group consisting of silanes, titanates, aluminates, zirconates or mixtures thereof. 2. Композиция по п.1, в которой соединение содержит, по меньшей мере, одну гидролизуемую группу и, по меньшей мере, один смазывающий органический фрагмент.2. The composition according to claim 1, in which the compound contains at least one hydrolyzable group and at least one lubricating organic fragment. 3. Композиция по п.1 или 2, в которой соединение присутствует в качестве смазывающего слоя на изолированных частицах.3. The composition according to claim 1 or 2, in which the compound is present as a lubricating layer on isolated particles. 4. Композиция по любому из п.1 или 2, в которой соединение имеет следующую общую формулу:4. The composition according to any one of claim 1 or 2, in which the compound has the following General formula: M(R1)n(R2)m,M (R 1 ) n (R 2 ) m , в которой М представляет собой центральный атом, выбранный из Si, Ti, Al или Zr;in which M represents a Central atom selected from Si, Ti, Al or Zr; R1 представляет собой гидролизуемую группу;R 1 represents a hydrolyzable group; R2 представляет собой группу, состоящую из смазывающего органического фрагмента, где сумма m+n равна координационному числу центрального атома;R 2 represents a group consisting of a lubricating organic fragment, where the sum m + n is equal to the coordination number of the central atom; n равно целому числу ≥1; иn is an integer ≥1; and m равно целому числу ≥1.m is an integer ≥1. 5. Композиция по п.4, в которой R1 представляет собой алкоксигруппу, содержащую менее 12, предпочтительно менее 6 и наиболее предпочтительно менее 3 атомов углерода.5. The composition according to claim 4, in which R 1 represents an alkoxy group containing less than 12, preferably less than 6 and most preferably less than 3 carbon atoms. 6. Композиция по п.4, в которой R1 представляет собой хелатную группу.6. The composition according to claim 4, in which R 1 represents a chelate group. 7. Композиция по п.6, в которой хелатная группа представляет собой остаток гидроксиуксусной кислоты (-О(О=С)-СН2О-) или остаток этиленгликоля (-ОСН2СН2О-).7. The composition according to claim 6, in which the chelate group is a hydroxyacetic acid residue (—O (O = C) —CH 2 O—) or an ethylene glycol residue (—OCH 2 CH 2 O—). 8. Композиция по п.4, в которой R2 представляет собой органическую группу, содержащую 6-30, предпочтительно 10-24 атомов углерода и необязательно содержащую один или несколько гетероатомов, выбранных из группы, состоящей из N, O, S и Р.8. The composition according to claim 4, in which R 2 represents an organic group containing 6-30, preferably 10-24 carbon atoms and optionally containing one or more heteroatoms selected from the group consisting of N, O, S and P. 9. Композиция по п.8, в которой группа R2 является линейной, разветвленной, циклической или ароматической.9. The composition of claim 8, in which the group R 2 is linear, branched, cyclic or aromatic. 10. Композиция по п.8, в которой группа R2 представляет собой цепь, выбранную из группы, состоящей из алкила, простого эфира, сложного эфира, фосфоалкила, фосфолипида или фосфоамина.10. The composition of claim 8, in which the group R 2 represents a chain selected from the group consisting of alkyl, ether, ester, phosphoalkyl, phospholipid or phosphoamine. 11. Композиция по п.10, в которой R2 выбран из группы, состоящей из фосфато, пирофосфато или фосфито.11. The composition of claim 10, in which R 2 selected from the group consisting of phosphato, pyrophosphato or phosphito. 12. Композиция по пп.1 и 2, в которой соединение выбрано из группы, состоящей из алкилалкоксисиланов и полиэфиралкоксисиланов.12. The composition according to claims 1 and 2, in which the compound is selected from the group consisting of alkyl alkoxysilanes and polyether alkoxysilanes. 13. Композиция по пп.1 и 2, в которой соединение выбрано из группы, состоящей из октилтриметоксисилана, гексадецилтриметоксисилана, полиэтиленэфиртриметоксисилана, изопропилтриизостеарилтитаната, изопропилтри(диоктил)фосфатотитаната, неопентил(диаллил)окситринеодеканоилцирконата, неопентил(диаллил)окситри(диоктил)фосфатоцирконата и диизобутилацетоацетилалюмината.13. A composition according to claim 1 or 2, wherein the compound is selected from the group consisting of octyltrimethoxysilane, hexadecyl trimethoxy silane, polietilenefirtrimetoksisilana, izopropiltriizosteariltitanata, isopropyltri (dioctyl) fosfatotitanata, neopentyl (diallyl) oksitrineodekanoiltsirkonata, neopentyl (diallyl) oksitri (dioctyl) fosfatotsirkonata and diizobutilatsetoatsetilalyuminata . 14. Композиция по пп.1 и 2, в которой изолирующее неорганическое покрытие частиц на основе железа основано на фосфоре.14. The composition according to claims 1 and 2, in which the insulating inorganic coating of particles based on iron is based on phosphorus. 15. Композиция по пп.1 и 2, в которой частицы сердцевины на основе железа состоят по существу из чистого железа.15. The composition according to claims 1 and 2, in which the particles of the core core based on iron consist essentially of pure iron. 16. Композиция по пп.1 и 2, в которой менее 5% частиц сердцевины на основе железа имеют размер менее 45 мкм.16. The composition according to claims 1 and 2, in which less than 5% of the particles of the iron-based core have a size of less than 45 microns. 17. Композиция по пп.1 и 2, в которой, по меньшей мере, 40%, предпочтительно, по меньшей мере, 60% частиц сердцевины на основе железа, состоит из частиц размером более 106 мкм.17. The composition according to claims 1 and 2, in which at least 40%, preferably at least 60% of the particles of the iron-based core, consists of particles larger than 106 microns. 18. Порошковая композиция по пп.1 и 2, в которой по меньшей мере, 20%, предпочтительно, по меньшей мере, 40% и наиболее предпочтительно, по меньшей мере, 60% частиц сердцевины на основе железа состоит из частиц размером более около 212 мкм.18. The powder composition according to claims 1 and 2, in which at least 20%, preferably at least 40% and most preferably at least 60% of the iron-based core particles consists of particles larger than about 212 microns. 19. Композиция по п.1 или 2, в которой соединение присутствует в количестве 0,05-0,5%, предпочтительно 0,07-0,45% и наиболее предпочтительно 0,08-0,4 мас.%.19. The composition according to claim 1 or 2, in which the compound is present in an amount of 0.05-0.5%, preferably 0.07-0.45% and most preferably 0.08-0.4 wt.%. 20. Композиция по пп.1 и 2, которую необязательно смешивают с добавками, такими как конкретные смазывающие, связующие или повышающие текучесть агенты.20. The composition according to claims 1 and 2, which is optionally mixed with additives, such as specific lubricating, binders or increasing fluidity agents. 21. Способ получения магнитно-мягкого композитного материала, имеющего плотность, по меньшей мере, 7,45 г/см3, включающий стадии получения порошковой композиции из железа или на основе железа по любому из пп.1-20; одноосного прессования полученной магнитно-мягкой порошковой композиции в пресс-форме при давлении прессования, по меньшей мере, около 800 МПа; выпрессовывания неспеченной массы из оборудования для прессования; и необязательно термической обработки спрессованной массы.21. A method for producing a soft magnetic composite material having a density of at least 7.45 g / cm 3 , comprising the steps of producing a powder composition from iron or iron based according to any one of claims 1 to 20; uniaxial pressing of the obtained soft magnetic powder composition in a mold at a pressing pressure of at least about 800 MPa; pressing the green mass from the pressing equipment; and optionally heat treating the compressed mass. 22. Способ по п.21, в котором прессование осуществляют при давлении, составляющем, по меньшей мере, около 900 МПа, более предпочтительно, по меньшей мере, 1000 МПа и наиболее предпочтительно более 1100 МПа.22. The method according to item 21, in which the pressing is carried out at a pressure of at least about 900 MPa, more preferably at least 1000 MPa and most preferably more than 1100 MPa. 23. Композиция по пп.21 и 22, в которой менее 5% частиц сердцевины на основе железа имеют размер менее 45 мкм.23. The composition according to PP.21 and 22, in which less than 5% of the particles of the iron-based core have a size of less than 45 microns. 24. Композиция по пп.21 и 22, в которой, по меньшей мере, 40%, предпочтительно, по меньшей мере, 60% частиц сердцевины на основе железа, состоит из частиц размером более 106 мкм.24. The composition according to PP.21 and 22, in which at least 40%, preferably at least 60% of the particles of the iron-based core, consists of particles larger than 106 microns. 25. Порошковая композиция по пп.21 и 22, в которой по меньшей мере, 20%, предпочтительно, по меньшей мере, 40% и наиболее предпочтительно, по меньшей мере, 60% частиц сердцевины на основе железа состоит из частиц размером более около 212 мкм.25. The powder composition according to claims 21 and 22, wherein at least 20%, preferably at least 40% and most preferably at least 60% of the iron-based core particles are composed of particles larger than about 212 microns.
RU2005123385/02A 2002-12-23 2003-12-22 Soft-magnetic powder composition, which includes isolated particles and lubricating substance selected from organosilanes, -titanates, -aluminates and -zirconates, and method of its preparation RU2335817C2 (en)

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AU2003288880B2 (en) 2006-10-12
ES2348212T3 (en) 2010-12-01
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AU2003288880A1 (en) 2004-07-14
TWI229018B (en) 2005-03-11
EP1575726B1 (en) 2010-07-07
SE0203851D0 (en) 2002-12-23
BR0317661A (en) 2005-12-06
ATE473064T1 (en) 2010-07-15
KR101035757B1 (en) 2011-05-20
MXPA05006847A (en) 2005-08-16
CA2505381C (en) 2011-12-13
RU2335817C2 (en) 2008-10-10
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