BRPI0414095A - material magnético macio e método para produção do mesmo - Google Patents
material magnético macio e método para produção do mesmoInfo
- Publication number
- BRPI0414095A BRPI0414095A BRPI0414095-8A BRPI0414095A BRPI0414095A BR PI0414095 A BRPI0414095 A BR PI0414095A BR PI0414095 A BRPI0414095 A BR PI0414095A BR PI0414095 A BRPI0414095 A BR PI0414095A
- Authority
- BR
- Brazil
- Prior art keywords
- magnetic material
- soft magnetic
- producing
- less
- composite
- Prior art date
Links
Classifications
-
- 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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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Soft Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
"MATERIAL MAGNéTICO MACIO E MéTODO PARA PRODUçãO DO MESMO". A presente invenção refere-se a um material magnético macio tendo uma ótima resistividade elétrica e um método para a produção de um tal material magnético macio. O material magnético macio compreende uma pluralidade de partículas magnéticas de compósito (30). Cada uma das partículas magnéticas de compósito (30) compreende uma partícula magnética de metal (10) e uma película de revestimento isolante (20) que cobre a superfície da partícula magnética de metal (10) e contém pelo menos uma substância selecionada do grupo consistindo em óxido de zircónio, óxido de alumínio e óxido de silício. O material rmagnético macio tem uma resistividade elétrica de não menos que 3.000 <109><87>cm e não mais que 50.000 <109><87>cm, e uma permeabilidade magnética <109> de não menos que 2.000 e não mais que 4.000. Um método para a produção de um tal material magnético macio compreende uma etapa para formar com pressão uma compactação pela compressão de uma pluralidade das partículas magnéticas do compósito (30) e uma etapa para submeter a compactação a um primeiro tratamento térmico em não menos do que 400<198>C e não mais do que 900<198>C.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003311353A JP2005079511A (ja) | 2003-09-03 | 2003-09-03 | 軟磁性材料およびその製造方法 |
| PCT/JP2004/012846 WO2005024859A1 (ja) | 2003-09-03 | 2004-09-03 | 軟磁性材料およびその製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0414095A true BRPI0414095A (pt) | 2006-10-31 |
Family
ID=34269693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0414095-8A BRPI0414095A (pt) | 2003-09-03 | 2004-09-03 | material magnético macio e método para produção do mesmo |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1662518A1 (pt) |
| JP (1) | JP2005079511A (pt) |
| CN (1) | CN1846282A (pt) |
| BR (1) | BRPI0414095A (pt) |
| WO (1) | WO2005024859A1 (pt) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4865527B2 (ja) * | 2006-12-18 | 2012-02-01 | 富士電機株式会社 | 軟磁性成形体およびその製造方法 |
| JP5227756B2 (ja) | 2008-01-31 | 2013-07-03 | 本田技研工業株式会社 | 軟磁性材料の製造方法 |
| DE102008023059B4 (de) * | 2008-05-09 | 2010-06-10 | Eto Magnetic Gmbh | Verfahren zum Herstellen eines magnetisierbaren metallischen Formkörpers |
| JP2009290024A (ja) * | 2008-05-29 | 2009-12-10 | Denso Corp | 圧粉磁心の製造方法 |
| JP5435398B2 (ja) * | 2009-08-27 | 2014-03-05 | Ｔｄｋ株式会社 | 軟磁性圧粉磁芯、及び、その製造方法 |
| JP5539159B2 (ja) * | 2010-11-04 | 2014-07-02 | アイダエンジニアリング株式会社 | 混合粉末の高密度成形方法および高密度成形装置。 |
| CN107578872B (zh) * | 2017-08-10 | 2019-10-22 | 深圳市铂科新材料股份有限公司 | 一种耐高温热处理的金属软磁粉芯的制备方法 |
| KR102004805B1 (ko) * | 2017-10-18 | 2019-07-29 | 삼성전기주식회사 | 코일 전자 부품 |
| JP2021021097A (ja) * | 2019-07-25 | 2021-02-18 | Tdk株式会社 | 複合磁性粉及びこれを用いた圧粉磁心、並びに、複合磁性粉の製造方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3435223B2 (ja) * | 1994-08-26 | 2003-08-11 | 住友特殊金属株式会社 | センダスト系焼結合金の製造方法 |
| JP2003037018A (ja) * | 2001-07-23 | 2003-02-07 | Daido Steel Co Ltd | 圧粉磁心の製造方法 |
-
2003
- 2003-09-03 JP JP2003311353A patent/JP2005079511A/ja active Pending
-
2004
- 2004-09-03 BR BRPI0414095-8A patent/BRPI0414095A/pt not_active IP Right Cessation
- 2004-09-03 WO PCT/JP2004/012846 patent/WO2005024859A1/ja not_active Application Discontinuation
- 2004-09-03 CN CNA2004800253531A patent/CN1846282A/zh active Pending
- 2004-09-03 EP EP04772795A patent/EP1662518A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN1846282A (zh) | 2006-10-11 |
| WO2005024859A1 (ja) | 2005-03-17 |
| EP1662518A1 (en) | 2006-05-31 |
| JP2005079511A (ja) | 2005-03-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE AS 5A, 6A E 7A ANUIDADES. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2159 DE 22/05/2012. |