KR100389821B1 - MnZn계 페라이트의 제조방법, MnZn계 페라이트 및전원용 페라이트코어 - Google Patents
MnZn계 페라이트의 제조방법, MnZn계 페라이트 및전원용 페라이트코어 Download PDFInfo
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- KR100389821B1 KR100389821B1 KR10-2001-0013758A KR20010013758A KR100389821B1 KR 100389821 B1 KR100389821 B1 KR 100389821B1 KR 20010013758 A KR20010013758 A KR 20010013758A KR 100389821 B1 KR100389821 B1 KR 100389821B1
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- mnzn
- ferrite
- ppm
- based ferrite
- nitrogen atmosphere
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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
- H01F1/34—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 non-metallic substances, e.g. ferrites
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
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- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Magnetic Ceramics (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
샘플 NO. | T(℃) | V1(℃/hr) | Tmin(℃) | Tmin(kw/m3)에서의 Pcv |
1(비교예)2(실시예)3(실시예)4(비교예)5(실시예)6(실시예)7(비교예)8(실시예)9(실시예)10(비교예)11(실시예)12(비교예)13(비교예) | 1150110011001100105010501050100010001000950950850 | 400600300150400200100200100105010- | 100100100100100100100100100100100100100 | 317242245290244255292251247289262287332 |
샘플 No. | V2(℃/hr) | Tmin(℃) | Tmin(kw/m3)에서의 Pcv |
14(비교예)15(실시예)16(실시예)17(실시예) | 100300500700 | 100100100100 | 296237245273 |
샘플 No. | V2(℃/hr) | 최고온도 유지시간(hr) | Tmin(℃) | Tmin(kw/m3)에서의 Pcv |
18(비교예)19(비교예)20(실시예)21(비교예)22(비교예) | 12001300150013001400 | 51585 | 100100100100100 | 293329237308414 |
샘플 No. | SiO2(ppm) | CaO(ppm) | Nb2O5(ppm) | ZrO2(ppm) | NiO(ppm) | Tmin(℃) | Tmin(kw/m3)에서의 Pcv |
23(비교예)24(실시예)25(비교예)26(비교예)27(비교예)28(비교예)29(비교예)30(실시예)31(비교예)32(실시예)33(실시예)34(비교예)35(실시예) | 40100200100100100100100100100100100100 | 500500500250800500500500500500500500500 | 2502502502502500500250250250250250250 | 0000000100500000100 | 000000000100120055001200 | 100100100100100100100100100100100100100 | 456267411477359324348256310263252303240 |
샘플 No. | P(ppm) | Tmin(℃) | Tmin(kw/m3)에서의 Pcv |
36(실시예)37(실시예)38(실시예)39(비교예) | 251540 | 100100100100 | 238240265312 |
Claims (13)
- 소성시 최고온도 유지공정과 질소분위기에서의 냉각공정을 포함하는 MnZn계 페라이트의 제조방법에 있어서,상기 냉각공정에서의 질소분위기 전환온도 T는 1150℃ 미만, 1000℃ 이상이고, 냉각속도 V1은 하기식 (1)의 조건을 만족하는 MnZn계 페라이트의 제조방법.T ≤(V1 + 1450)/1.5 (1)[T: 질소분위기 전환온도(℃), V1: T에서 900℃까지의 냉각속도(℃/시간)]
- 소성시 최고온도 유지공정과 질소분위기에서의 냉각공정을 포함하는 MnZn계 페라이트의 제조방법에 있어서,상기 냉각공정에서의 질소분위기 전환온도 T는 1000℃ 미만, 900℃ 이상이며, 냉각속도 V1은 하기식 (2)의 조건을 만족하는 MnZn계 페라이트의 제조방법.T ≤(V1 + 450)/0.5 (2)[T: 질소분위기 전환온도(℃), V1: T에서 900℃까지의 냉각속도(℃/시간)]
- 제1항 또는 제2항에 있어서, 상기 질소분위기 전환온도 T에서 900℃까지의 냉각속도 V1은 800℃/시간 이하인 MnZn계 페라이트의 제조방법.
- 제1항 또는 제2항에 있어서, 900℃에서 600℃까지의 냉각속도 V2는 200∼800℃/시간인 MnZn계 페라이트의 제조방법.
- 제1항 또는 제2항에 있어서, 상기 최고온도 유지공정에서의 최고온도는 1250∼1350℃이고, 최고온도 유지시간은 2∼7시간인 MnZn계 페라이트의 제조방법.
- 제1항 또는 제2항에 있어서, 상기 MnZn계 페라이트는 주성분으로서 Fe203로 환산한 산화철 52∼55몰%, ZnO로 환산한 산화아연 7∼12몰%, 잔부 산화망간을 포함하며,부성분으로서 Si02로 환산한 산화규소 60∼140ppm, CaO로 환산한 산화칼슘 350∼700ppm, Nb2O5로 환산한 산화니오브 100∼350ppm을 함유하는 MnZn계 페라이트의 제조방법.
- 제6항에 있어서, 추가부성분으로서 ZrO2로 환산한 산화지르코늄을 주성분에 대해 50∼350ppm 함유하는 MnZn계 페라이트의 제조방법.
- 제6항에 있어서, 추가부성분으로서 NiO로 환산한 산화니켈을 주성분에 대해 0∼4500ppm(단, 0은 제외) 함유하는 MnZn계 페라이트의 제조방법.
- 제6항에 있어서, 인 함유량이 P로 환산하여 주성분에 대해 30ppm 이하인 MnZn계 페라이트의 제조방법.
- 100kHz, 200mT의 교류자기장을 인가했을 때 온도 100℃에서의 전력손실이 280kw/m3이하인 제1항 또는 제2항의 방법에 의해 제조되는 MnZn계 페라이트.
- 제10항의 MnZn계 페라이트로 구성된 전원용 페라이트코어.
- 제7항에 있어서, 추가부성분으로서 NiO로 환산한 산화니켈을 주성분에 대해 0∼4500ppm(단, 0은 제외) 함유하는 MnZn계 페라이트의 제조방법.
- 제7항 또는 제8항에 있어서, 인 함유량이 P로 환산하여 주성분에 대해 30ppm 이하인 MnZn계 페라이트의 제조방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-96885 | 2000-03-31 | ||
JP2000096885 | 2000-03-31 | ||
JP2001002772A JP3607203B2 (ja) | 2000-03-31 | 2001-01-10 | MnZn系フェライトの製造方法、MnZn系フェライト、および電源用フェライトコア |
JP2001-2772 | 2001-01-10 |
Publications (2)
Publication Number | Publication Date |
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KR20010094979A KR20010094979A (ko) | 2001-11-03 |
KR100389821B1 true KR100389821B1 (ko) | 2003-07-02 |
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KR10-2001-0013758A KR100389821B1 (ko) | 2000-03-31 | 2001-03-16 | MnZn계 페라이트의 제조방법, MnZn계 페라이트 및전원용 페라이트코어 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6627103B2 (ko) |
JP (1) | JP3607203B2 (ko) |
KR (1) | KR100389821B1 (ko) |
CN (1) | CN1207736C (ko) |
DE (1) | DE10114951B4 (ko) |
TW (1) | TW591673B (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060118756A1 (en) * | 2002-09-26 | 2006-06-08 | Kenya Takagawa | Ferrite material |
JP4244193B2 (ja) * | 2004-01-30 | 2009-03-25 | Tdk株式会社 | MnZnフェライトの製造方法及びMnZnフェライト |
CN1677579B (zh) * | 2004-03-31 | 2012-10-10 | 广东肇庆微硕电子有限公司 | 宽频锰锌系高磁导率软磁铁氧体材料 |
JP2008541238A (ja) * | 2005-05-05 | 2008-11-20 | アーキペラゴ ホールディングス インコーポレイテッド | 値段が付けられていない注文のオークション及び転送 |
CN1333411C (zh) * | 2005-11-01 | 2007-08-22 | 淄博宇星电子材料有限公司 | 18k锰锌铁氧体磁粉磁芯的制造方法 |
JP5578766B2 (ja) * | 2008-01-23 | 2014-08-27 | Jfeケミカル株式会社 | MnZn系フェライトおよびトランス用磁心 |
CN101376590B (zh) * | 2008-10-13 | 2012-06-27 | 北京科技大学 | 一种自蔓延高温合成制备锰锌铁氧体粉料的方法 |
CN101620908B (zh) * | 2009-06-05 | 2011-10-05 | 南京精研磁性技术有限公司 | 宽温宽频高居里点低损耗锰锌铁氧体材料及其制备方法 |
JP5560436B2 (ja) * | 2010-02-05 | 2014-07-30 | Jfeケミカル株式会社 | MnZnNi系フェライト |
CN102063989B (zh) * | 2010-10-20 | 2012-11-21 | 乳源东阳光磁性材料有限公司 | 高饱和磁通、高直流叠加、低损耗的软磁材料及其制备方法 |
CN102376444B (zh) * | 2011-08-25 | 2016-01-20 | 天长市中德电子有限公司 | 一种磁芯的烧结方法 |
JP5952236B2 (ja) * | 2013-08-16 | 2016-07-13 | Jfeケミカル株式会社 | Mn−Zn−Ni系フェライトおよびその製法方法 |
KR101822299B1 (ko) * | 2016-10-05 | 2018-01-26 | 현대자동차주식회사 | 페라이트 자성체 및 그 제조방법 |
CN107162580A (zh) * | 2017-05-08 | 2017-09-15 | 中国计量大学 | 高机械强度MnZn铁氧体材料 |
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2001
- 2001-01-10 JP JP2001002772A patent/JP3607203B2/ja not_active Expired - Lifetime
- 2001-03-14 TW TW090105997A patent/TW591673B/zh not_active IP Right Cessation
- 2001-03-16 KR KR10-2001-0013758A patent/KR100389821B1/ko active IP Right Grant
- 2001-03-16 US US09/808,998 patent/US6627103B2/en not_active Expired - Fee Related
- 2001-03-27 DE DE10114951A patent/DE10114951B4/de not_active Expired - Fee Related
- 2001-03-30 CN CNB011120827A patent/CN1207736C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE10114951B4 (de) | 2006-04-27 |
US6627103B2 (en) | 2003-09-30 |
JP3607203B2 (ja) | 2005-01-05 |
CN1317808A (zh) | 2001-10-17 |
TW591673B (en) | 2004-06-11 |
DE10114951A1 (de) | 2001-12-13 |
JP2001342058A (ja) | 2001-12-11 |
CN1207736C (zh) | 2005-06-22 |
KR20010094979A (ko) | 2001-11-03 |
US20020009413A1 (en) | 2002-01-24 |
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