ZA200601216B - Iron based soft magnetic powder - Google Patents

Iron based soft magnetic powder Download PDF

Info

Publication number: ZA200601216B
Authority: ZA; South Africa
Prior art keywords: powder; less; base; weight; oxygen content
Prior art date: 2003-09-09

Application number

ZA200601216A

Other languages

English (en)

Inventor

Ye Zhou

Andersson Ola

Original Assignee

Hoeganaes Ab

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2003-09-09

Filing date

2004-09-08

Publication date

2007-05-30

2004-09-08 Application filed by Hoeganaes Ab filed Critical Hoeganaes Ab

2007-05-30 Publication of ZA200601216B publication Critical patent/ZA200601216B/en

Links

XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 37
229910052742 iron Inorganic materials 0.000 title description 9
239000006247 magnetic powder Substances 0.000 title description 3
239000000843 powder Substances 0.000 claims abstract description 103
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 27
239000001301 oxygen Substances 0.000 claims abstract description 27
229910052760 oxygen Inorganic materials 0.000 claims abstract description 27
239000012535 impurity Substances 0.000 claims abstract description 17
239000002131 composite material Substances 0.000 claims abstract description 12
238000004438 BET method Methods 0.000 claims abstract description 5
238000002360 preparation method Methods 0.000 claims abstract description 4
239000002245 particle Substances 0.000 claims description 41
238000000576 coating method Methods 0.000 claims description 23
238000000034 method Methods 0.000 claims description 18
239000011248 coating agent Substances 0.000 claims description 17
238000000137 annealing Methods 0.000 claims description 16
239000000314 lubricant Substances 0.000 claims description 14
239000000203 mixture Substances 0.000 claims description 10
238000005056 compaction Methods 0.000 claims description 8
239000011230 binding agent Substances 0.000 claims description 7
238000010438 heat treatment Methods 0.000 claims description 7
229910052698 phosphorus Inorganic materials 0.000 claims description 4
238000005461 lubrication Methods 0.000 claims description 3
239000004610 Internal Lubricant Substances 0.000 claims description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 3
239000011574 phosphorus Substances 0.000 claims 3
238000002156 mixing Methods 0.000 claims 1
239000000306 component Substances 0.000 description 18
239000011162 core material Substances 0.000 description 16
230000035699 permeability Effects 0.000 description 13
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
238000009826 distribution Methods 0.000 description 7
239000000463 material Substances 0.000 description 7
229910019142 PO4 Inorganic materials 0.000 description 6
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 6
239000010452 phosphate Substances 0.000 description 6
230000000694 effects Effects 0.000 description 5
238000005259 measurement Methods 0.000 description 5
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
239000008358 core component Substances 0.000 description 4
230000004907 flux Effects 0.000 description 4
239000007789 gas Substances 0.000 description 4
238000000465 moulding Methods 0.000 description 4
229910052757 nitrogen Inorganic materials 0.000 description 4
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
229910000831 Steel Inorganic materials 0.000 description 3
BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 3
239000001257 hydrogen Substances 0.000 description 3
229910052739 hydrogen Inorganic materials 0.000 description 3
239000000696 magnetic material Substances 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
230000008569 process Effects 0.000 description 3
239000010959 steel Substances 0.000 description 3
229910000147 aluminium phosphate Inorganic materials 0.000 description 2
230000008901 benefit Effects 0.000 description 2
230000007423 decrease Effects 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
238000010292 electrical insulation Methods 0.000 description 2
230000001788 irregular Effects 0.000 description 2
239000010410 layer Substances 0.000 description 2
239000002184 metal Substances 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 2
239000011368 organic material Substances 0.000 description 2
239000003960 organic solvent Substances 0.000 description 2
239000002356 single layer Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
238000009692 water atomization Methods 0.000 description 2
XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical class [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
QIVUCLWGARAQIO-OLIXTKCUSA-N (3s)-n-[(3s,5s,6r)-6-methyl-2-oxo-1-(2,2,2-trifluoroethyl)-5-(2,3,6-trifluorophenyl)piperidin-3-yl]-2-oxospiro[1h-pyrrolo[2,3-b]pyridine-3,6'-5,7-dihydrocyclopenta[b]pyridine]-3'-carboxamide Chemical compound C1([C@H]2[C@H](N(C(=O)[C@@H](NC(=O)C=3C=C4C[C@]5(CC4=NC=3)C3=CC=CN=C3NC5=O)C2)CC(F)(F)F)C)=C(F)C=CC(F)=C1F QIVUCLWGARAQIO-OLIXTKCUSA-N 0.000 description 1
239000004605 External Lubricant Substances 0.000 description 1
229910000576 Laminated steel Inorganic materials 0.000 description 1
239000004952 Polyamide Substances 0.000 description 1
239000003677 Sheet moulding compound Substances 0.000 description 1
239000000654 additive Substances 0.000 description 1
239000002156 adsorbate Substances 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
230000004888 barrier function Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
238000000748 compression moulding Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
238000013461 design Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000001307 helium Substances 0.000 description 1
229910052734 helium Inorganic materials 0.000 description 1
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
230000006698 induction Effects 0.000 description 1
239000011147 inorganic material Substances 0.000 description 1
229910000398 iron phosphate Inorganic materials 0.000 description 1
WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
239000007788 liquid Substances 0.000 description 1
HGPXWXLYXNVULB-UHFFFAOYSA-M lithium stearate Chemical compound [Li+].CCCCCCCCCCCCCCCCCC([O-])=O HGPXWXLYXNVULB-UHFFFAOYSA-M 0.000 description 1
230000001050 lubricating effect Effects 0.000 description 1
239000006249 magnetic particle Substances 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
239000005022 packaging material Substances 0.000 description 1
239000005011 phenolic resin Substances 0.000 description 1
229920001568 phenolic resin Polymers 0.000 description 1
229920002647 polyamide Polymers 0.000 description 1
229920001601 polyetherimide Polymers 0.000 description 1
239000011148 porous material Substances 0.000 description 1
238000004663 powder metallurgy Methods 0.000 description 1
238000011160 research Methods 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000012815 thermoplastic material Substances 0.000 description 1
229920005992 thermoplastic resin Polymers 0.000 description 1
229920001187 thermosetting polymer Polymers 0.000 description 1

Classifications

- 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
- H01F1/33—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 mixtures of metallic and non-metallic particles; metallic particles having oxide skin
- 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
- 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
- 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
- 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
- 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
- B22F2998/10—Processes characterised by the sequence of their steps
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12049—Nonmetal component
- Y10T428/12056—Entirely inorganic
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12181—Composite powder [e.g., coated, etc.]
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Manufacturing & Machinery (AREA)
Soft Magnetic Materials (AREA)
Powder Metallurgy (AREA)

ZA200601216A 2003-09-09 2004-09-08 Iron based soft magnetic powder ZA200601216B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE0302427A SE0302427D0 (sv)	2003-09-09	2003-09-09	Iron based soft magnetic powder

Publications (1)

Publication Number	Publication Date
ZA200601216B true ZA200601216B (en)	2007-05-30

Family

ID=28787309

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA200601216A ZA200601216B (en)	2003-09-09	2004-09-08	Iron based soft magnetic powder

Country Status (18)

Country	Link
US (1)	US7455905B2 (sv)
EP (1)	EP1663549B1 (sv)
JP (2)	JP4880462B2 (sv)
KR (1)	KR101097896B1 (sv)
CN (1)	CN100439012C (sv)
AT (1)	ATE394187T1 (sv)
AU (1)	AU2004270090B2 (sv)
BR (1)	BRPI0413853B1 (sv)
CA (1)	CA2534466C (sv)
DE (1)	DE602004013606D1 (sv)
ES (1)	ES2305851T3 (sv)
MX (1)	MX258741B (sv)
PL (1)	PL1663549T3 (sv)
RU (1)	RU2311261C2 (sv)
SE (1)	SE0302427D0 (sv)
TW (1)	TWI289487B (sv)
WO (1)	WO2005023464A1 (sv)
ZA (1)	ZA200601216B (sv)

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JP2005213621A (ja) *	2004-01-30	2005-08-11	Sumitomo Electric Ind Ltd	軟磁性材料および圧粉磁心
US20070241063A1 (en) *	2006-04-18	2007-10-18	Quebec Metal Powders Ltd.	Process for treating water using atomized ferrous powders containing 0.25 to 4 wt% carbon and 1 to 6 wt% oxygen
KR101477582B1 (ko)	2006-12-07	2015-01-02	회가내스 아베	연자성 분말
RU2510993C2 (ru) *	2008-03-20	2014-04-10	Хеганес Аб (Пабл)	Порошковая ферромагнитная композиция и способ ее получения
CA2744009C (en) *	2008-11-26	2018-08-21	Hoeganaes Ab (Publ)	Lubricant for powder metallurgical compositions
WO2011040568A1 (ja) *	2009-09-30	2011-04-07	日立粉末冶金株式会社	圧粉磁心の製造方法
JP5482097B2 (ja) *	2009-10-26	2014-04-23	Ｔｄｋ株式会社	軟磁性材料、並びに、圧粉磁芯及びその製造方法
JP2011094204A (ja) *	2009-10-30	2011-05-12	Tdk Corp	表面処理還元鉄粉及びその製造方法、並びに、圧粉磁芯
JP6026889B2 (ja) *	2010-02-18	2016-11-16	ホガナスアクチボラゲット	強磁性粉末組成物、及びその製造方法
JP5438669B2 (ja)	2010-12-28	2014-03-12	株式会社神戸製鋼所	圧粉磁心用鉄基軟磁性粉末および圧粉磁心
JP6052960B2 (ja) *	2012-01-12	2016-12-27	株式会社神戸製鋼所	軟磁性鉄基粉末の製造方法
JP6056862B2 (ja)	2013-04-19	2017-01-11	Ｊｆｅスチール株式会社	圧粉磁芯用鉄粉および圧粉磁芯用絶縁被覆鉄粉
CN105873697B (zh) *	2013-12-20	2019-05-10	霍加纳斯股份有限公司	软磁粉末混合料
KR101686989B1 (ko) *	2014-08-07	2016-12-19	주식회사 모다이노칩	파워 인덕터
KR101662206B1 (ko)	2014-08-07	2016-10-06	주식회사 모다이노칩	파워 인덕터
KR101662208B1 (ko)	2014-09-11	2016-10-06	주식회사 모다이노칩	파워 인덕터 및 그 제조 방법
JP6757117B2 (ja) *	2014-10-02	2020-09-16	山陽特殊製鋼株式会社	軟磁性扁平粉末及びその製造方法
JP6702830B2 (ja) *	2015-09-28	2020-06-03	住友電気工業株式会社	圧粉磁心、及びコイル部品
CN105895301B (zh) *	2016-05-28	2017-12-29	深圳市固电电子有限公司	一种铁粉芯电感及其制备方法
JP2021052075A (ja) *	2019-09-25	2021-04-01	太陽誘電株式会社	コイル部品

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US4776980A (en) *	1987-03-20	1988-10-11	Ruffini Robert S	Inductor insert compositions and methods
US5063011A (en) *	1989-06-12	1991-11-05	Hoeganaes Corporation	Doubly-coated iron particles
JPH08921B2 (ja) *	1992-06-19	1996-01-10	株式会社神戸製鋼所	圧縮性と磁気特性に優れた粉末冶金用純鉄粉
US5595609A (en)	1993-04-09	1997-01-21	General Motors Corporation	Annealed polymer-bonded soft magnetic body
SE9501129D0 (sv) *	1995-03-28	1995-03-28	Hoeganaes Ab	Soft magnetic anisotropic composite materials
ES2203784T3 (es) *	1996-02-23	2004-04-16	Hoganas Ab	Polvo de hierro recubierto de fosfato y metodo para su fabricacion.
DE69717718T2 (de) *	1996-05-28	2003-11-13	Hitachi Powdered Metals Co., Ltd.	Weichmagnetischer Pulververbund-Kern aus Teilchen mit isolierenden Schichten
SE9602835D0 (sv) *	1996-07-22	1996-07-22	Hoeganaes Ab	Process for the preparation of an iron-based powder
US5982073A (en) *	1997-12-16	1999-11-09	Materials Innovation, Inc.	Low core loss, well-bonded soft magnetic parts
US6372348B1 (en) *	1998-11-23	2002-04-16	Hoeganaes Corporation	Annealable insulated metal-based powder particles
SE9903231D0 (sv) *	1999-09-09	1999-09-09	Hoeganaes Ab	Powder composition
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JP4078512B2 (ja) *	2001-04-20	2008-04-23	Ｊｆｅスチール株式会社	高圧縮性鉄粉
SE0102103D0 (sv) *	2001-06-13	2001-06-13	Hoeganaes Ab	High density soft magnetic products and method for the preparation thereof
US7153594B2 (en) *	2002-12-23	2006-12-26	Höganäs Ab	Iron-based powder

2003
- 2003-09-09 SE SE0302427A patent/SE0302427D0/sv unknown
2004
- 2004-09-08 AU AU2004270090A patent/AU2004270090B2/en not_active Ceased
- 2004-09-08 CA CA2534466A patent/CA2534466C/en not_active Expired - Lifetime
- 2004-09-08 AT AT04775401T patent/ATE394187T1/de active
- 2004-09-08 ZA ZA200601216A patent/ZA200601216B/en unknown
- 2004-09-08 RU RU2006111507/02A patent/RU2311261C2/ru not_active IP Right Cessation
- 2004-09-08 JP JP2006526044A patent/JP4880462B2/ja not_active Expired - Lifetime
- 2004-09-08 US US10/568,952 patent/US7455905B2/en active Active
- 2004-09-08 EP EP04775401A patent/EP1663549B1/en not_active Expired - Lifetime
- 2004-09-08 KR KR1020067004853A patent/KR101097896B1/ko not_active Expired - Lifetime
- 2004-09-08 WO PCT/SE2004/001296 patent/WO2005023464A1/en active Application Filing
- 2004-09-08 MX MXPA06002643 patent/MX258741B/es active IP Right Grant
- 2004-09-08 ES ES04775401T patent/ES2305851T3/es not_active Expired - Lifetime
- 2004-09-08 CN CNB2004800252488A patent/CN100439012C/zh not_active Expired - Lifetime
- 2004-09-08 BR BRPI0413853-8A patent/BRPI0413853B1/pt not_active IP Right Cessation
- 2004-09-08 DE DE602004013606T patent/DE602004013606D1/de not_active Expired - Lifetime
- 2004-09-08 PL PL04775401T patent/PL1663549T3/pl unknown
- 2004-09-09 TW TW093127323A patent/TWI289487B/zh not_active IP Right Cessation
2010
- 2010-03-29 JP JP2010075052A patent/JP2010209469A/ja not_active Withdrawn

Also Published As

Publication number	Publication date
RU2311261C2 (ru)	2007-11-27
JP2007505216A (ja)	2007-03-08
CN100439012C (zh)	2008-12-03
WO2005023464A1 (en)	2005-03-17
KR101097896B1 (ko)	2011-12-23
RU2006111507A (ru)	2006-08-27
TWI289487B (en)	2007-11-11
US7455905B2 (en)	2008-11-25
US20060214138A1 (en)	2006-09-28
AU2004270090A1 (en)	2005-03-17
CA2534466C (en)	2010-05-04
BRPI0413853B1 (pt)	2015-06-23
TW200524690A (en)	2005-08-01
AU2004270090B2 (en)	2007-11-01
MX258741B (es)	2008-07-14
JP4880462B2 (ja)	2012-02-22
CN1845805A (zh)	2006-10-11
ES2305851T3 (es)	2008-11-01
EP1663549B1 (en)	2008-05-07
PL1663549T3 (pl)	2008-12-31
JP2010209469A (ja)	2010-09-24
EP1663549A1 (en)	2006-06-07
KR20060121865A (ko)	2006-11-29
BRPI0413853A (pt)	2006-10-24
DE602004013606D1 (sv)	2008-06-19
ATE394187T1 (de)	2008-05-15
CA2534466A1 (en)	2005-03-17
MXPA06002643A (es)	2006-06-06
SE0302427D0 (sv)	2003-09-09

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