RU2005115859A - Термическая обработка магнитно-мягких деталей - Google Patents
Термическая обработка магнитно-мягких деталей Download PDFInfo
- Publication number
- RU2005115859A RU2005115859A RU2005115859/02A RU2005115859A RU2005115859A RU 2005115859 A RU2005115859 A RU 2005115859A RU 2005115859/02 A RU2005115859/02 A RU 2005115859/02A RU 2005115859 A RU2005115859 A RU 2005115859A RU 2005115859 A RU2005115859 A RU 2005115859A
- Authority
- RU
- Russia
- Prior art keywords
- heat treatment
- furnace
- volume
- content
- temperature
- Prior art date
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Classifications
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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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
-
- 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
- B22F1/102—Metallic powder coated with organic material
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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
- H01F1/20—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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/241—Chemical after-treatment on the surface
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
-
- 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
-
- 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
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Claims (7)
1. Способ улучшения магнитных свойств полученных с помощью порошковой металлургии ММК-деталей, заключающийся в том, что подвергают прессованное тело, состоящее из магнитно-мягкого материала из изолированных порошковых частиц и органической смазки, снимающей напряжения термической обработке в атмосфере печи; регулируют атмосферу печи до содержания СО менее 0,25% по объему; и останавливают термическую обработку, когда деталь достигла температуры, по меньшей мере, 400°С.
2. Способ по п.1, в котором содержание СО в атмосфере печи составляет менее 0,1% по объему, предпочтительно менее 0,05% по объему.
3. Способ по п.1 или 2, в котором изолированные порошковые частицы состоят из базового порошка по существу чистого железа с изолирующим кислород- и фосфорсодержащим барьером.
4. Способ по п.1, в котором термическую обработку останавливают, когда деталь достигла температуры между 450 и 650°С, предпочтительно между 450 и 600°С.
5. Способ по п.1, в котором термическую обработку осуществляют в атмосфере печи, содержащей, по меньшей мере, 10% кислорода по объему, при заданной температуры печи между 450 и 1000°С.
6. Способ по п.1, в котором концентрацию СО измеряют в, по меньшей мере, одной точке печи термической обработки во время всего цикла термической обработки.
7. Способ по п.1, в котором содержание СО уменьшают до величины ниже 0,25%, предпочтительно ниже 0,1%, а наиболее предпочтительно ниже 0,05% по объему, путем регулирования потока воздуха через печь.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0203168-0 | 2002-10-25 | ||
| SE0203168A SE0203168D0 (sv) | 2002-10-25 | 2002-10-25 | Heat treatment of iron-based components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2005115859A true RU2005115859A (ru) | 2006-01-20 |
| RU2325972C2 RU2325972C2 (ru) | 2008-06-10 |
Family
ID=20289381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2005115859/02A RU2325972C2 (ru) | 2002-10-25 | 2003-10-22 | Термическая обработка магнитно-мягких деталей |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US6989062B2 (ru) |
| EP (1) | EP1556871B1 (ru) |
| JP (1) | JP4524187B2 (ru) |
| KR (1) | KR101039514B1 (ru) |
| CN (1) | CN1331168C (ru) |
| AT (1) | ATE434824T1 (ru) |
| AU (1) | AU2003269784A1 (ru) |
| BR (1) | BR0315582A (ru) |
| CA (1) | CA2497393C (ru) |
| DE (1) | DE60328121D1 (ru) |
| DK (1) | DK1556871T3 (ru) |
| ES (1) | ES2327727T3 (ru) |
| MX (1) | MXPA05004383A (ru) |
| RU (1) | RU2325972C2 (ru) |
| SE (1) | SE0203168D0 (ru) |
| TW (1) | TWI318413B (ru) |
| WO (1) | WO2004038740A1 (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2549904C2 (ru) * | 2009-09-18 | 2015-05-10 | Хеганес Аб | Ферромагнитная порошковая композиция и способ ее получения |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI328236B (en) * | 2005-06-15 | 2010-08-01 | Hoganas Ab Publ | Process for the manufacture of soft magnetic composite components and soft magnetic composite components obtained therefrom |
| US20160311019A1 (en) * | 2013-12-20 | 2016-10-27 | Höganäs Ab (Publ) | Soft magnetic powder mix |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6240312A (ja) * | 1985-08-15 | 1987-02-21 | Kawasaki Steel Corp | 炉内における雰囲気制御方法 |
| JPH02141526A (ja) * | 1988-11-24 | 1990-05-30 | Ngk Insulators Ltd | 雰囲気制御システム |
| JPH07245209A (ja) * | 1994-03-02 | 1995-09-19 | Tdk Corp | 圧粉コアおよびその製造方法 |
| SE9401392D0 (sv) * | 1994-04-25 | 1994-04-25 | Hoeganaes Ab | Heat-treating of iron powders |
| SE9402497D0 (sv) * | 1994-07-18 | 1994-07-18 | Hoeganaes Ab | Iron powder components containing thermoplastic resin and methods of making same |
| JPH10312927A (ja) | 1997-05-09 | 1998-11-24 | Furukawa Co Ltd | 圧粉磁芯の製造方法 |
| SE9702744D0 (sv) | 1997-07-18 | 1997-07-18 | Hoeganaes Ab | Soft magnetic composites |
| JP2000232014A (ja) * | 1999-02-12 | 2000-08-22 | Matsushita Electric Ind Co Ltd | 複合磁性材料の製造方法 |
| JP2001026816A (ja) * | 1999-07-14 | 2001-01-30 | Kawasaki Steel Corp | 連続式加熱炉の操業方法 |
| SE0000454D0 (sv) * | 2000-02-11 | 2000-02-11 | Hoeganaes Ab | Iron powder and method for the preparaton thereof |
| US6652458B2 (en) * | 2000-06-20 | 2003-11-25 | The Mclean Hospital Corporation | ADHD detection by eye saccades |
| JP2002015912A (ja) * | 2000-06-30 | 2002-01-18 | Tdk Corp | 圧粉磁芯用粉末及び圧粉磁芯 |
| SE0100236D0 (sv) | 2001-01-26 | 2001-01-26 | Hoeganaes Ab | Compressed soft magnetic materials |
| DE10106172A1 (de) * | 2001-02-10 | 2002-08-29 | Bosch Gmbh Robert | Verfahren zur Herstellung eines Formteils aus einem weichmagnetischen Verbundwerkstoff |
| JP3986043B2 (ja) * | 2001-02-20 | 2007-10-03 | 日立粉末冶金株式会社 | 圧粉磁心及びその製造方法 |
| CN1128456C (zh) * | 2001-04-28 | 2003-11-19 | 安泰科技股份有限公司 | 高导磁率圆环形铁芯的处理方法 |
| US7153594B2 (en) * | 2002-12-23 | 2006-12-26 | Höganäs Ab | Iron-based powder |
-
2002
- 2002-10-25 SE SE0203168A patent/SE0203168D0/xx unknown
-
2003
- 2003-02-14 US US10/366,616 patent/US6989062B2/en not_active Expired - Fee Related
- 2003-10-22 AT AT03751715T patent/ATE434824T1/de active
- 2003-10-22 CN CNB2003801018426A patent/CN1331168C/zh not_active Expired - Fee Related
- 2003-10-22 MX MXPA05004383A patent/MXPA05004383A/es active IP Right Grant
- 2003-10-22 ES ES03751715T patent/ES2327727T3/es not_active Expired - Lifetime
- 2003-10-22 JP JP2004546603A patent/JP4524187B2/ja not_active Expired - Fee Related
- 2003-10-22 DK DK03751715T patent/DK1556871T3/da active
- 2003-10-22 BR BR0315582-0A patent/BR0315582A/pt not_active IP Right Cessation
- 2003-10-22 KR KR1020057006447A patent/KR101039514B1/ko not_active IP Right Cessation
- 2003-10-22 DE DE60328121T patent/DE60328121D1/de not_active Expired - Lifetime
- 2003-10-22 WO PCT/SE2003/001631 patent/WO2004038740A1/en active Application Filing
- 2003-10-22 RU RU2005115859/02A patent/RU2325972C2/ru not_active IP Right Cessation
- 2003-10-22 AU AU2003269784A patent/AU2003269784A1/en not_active Abandoned
- 2003-10-22 CA CA2497393A patent/CA2497393C/en not_active Expired - Fee Related
- 2003-10-22 EP EP03751715A patent/EP1556871B1/en not_active Expired - Lifetime
- 2003-10-24 TW TW092129499A patent/TWI318413B/zh not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2549904C2 (ru) * | 2009-09-18 | 2015-05-10 | Хеганес Аб | Ферромагнитная порошковая композиция и способ ее получения |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE434824T1 (de) | 2009-07-15 |
| EP1556871A1 (en) | 2005-07-27 |
| AU2003269784A1 (en) | 2004-05-13 |
| MXPA05004383A (es) | 2005-12-14 |
| TWI318413B (en) | 2009-12-11 |
| KR20050071577A (ko) | 2005-07-07 |
| CA2497393A1 (en) | 2004-05-06 |
| JP2006504263A (ja) | 2006-02-02 |
| US6989062B2 (en) | 2006-01-24 |
| EP1556871B1 (en) | 2009-06-24 |
| CA2497393C (en) | 2011-09-20 |
| JP4524187B2 (ja) | 2010-08-11 |
| RU2325972C2 (ru) | 2008-06-10 |
| ES2327727T3 (es) | 2009-11-03 |
| BR0315582A (pt) | 2005-08-30 |
| SE0203168D0 (sv) | 2002-10-25 |
| TW200423158A (en) | 2004-11-01 |
| WO2004038740A1 (en) | 2004-05-06 |
| KR101039514B1 (ko) | 2011-06-08 |
| US20040079452A1 (en) | 2004-04-29 |
| CN1331168C (zh) | 2007-08-08 |
| DE60328121D1 (de) | 2009-08-06 |
| DK1556871T3 (da) | 2009-09-28 |
| CN1706012A (zh) | 2005-12-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20151023 |