KR970705527A - 경질의 페라이트로 이루어지는 성형체 제조 방법(Process for the manufacture of molded bodies from hard ferrites) - Google Patents

경질의 페라이트로 이루어지는 성형체 제조 방법(Process for the manufacture of molded bodies from hard ferrites)

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Publication number
KR970705527A
KR970705527A KR1019970701487A KR19970701487A KR970705527A KR 970705527 A KR970705527 A KR 970705527A KR 1019970701487 A KR1019970701487 A KR 1019970701487A KR 19970701487 A KR19970701487 A KR 19970701487A KR 970705527 A KR970705527 A KR 970705527A
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KR
South Korea
Prior art keywords
plasticizer
binder
hard ferrite
fine particles
ferrite powder
Prior art date
Application number
KR1019970701487A
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English (en)
Other versions
KR100282317B1 (ko
Inventor
발데마르 드락슬러
빌프리드 아이헬레
우베 라우칸트
호르스트 뵈더
Original Assignee
랄프 홀거 베렌스; 페터 뢰저
로베르트 보쉬 게엠베하
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.)
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Publication date
Application filed by 랄프 홀거 베렌스; 페터 뢰저, 로베르트 보쉬 게엠베하 filed Critical 랄프 홀거 베렌스; 페터 뢰저
Publication of KR970705527A publication Critical patent/KR970705527A/ko
Application granted granted Critical
Publication of KR100282317B1 publication Critical patent/KR100282317B1/ko

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Classifications

    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • 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
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Ceramics (AREA)
  • Hard Magnetic Materials (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

본 발명은, 소결되지 않은 성형체를 제조하기 위해서, 가소제 및 결합제로서 (a) 시클로드데칸, 시클로드데카놀, 스테아릴 알콜 또는 이것들 중, 2개의 물질 또는 전부의 물질을 혼합시킨 혼합물을, (b) 스테아린 산과 조합하여 사용하는, 소결 방법에 의한 경질의 페라이트로 이루어지는 성형체의 제조 방법에 관한 것이다.상기 방법은 자석의 제조, 특히 세그먼트 자석의 제조에 적합하다.

Description

경질의 페라이트로 이루어지는 성형체 제조 방법(Process for the manufacture of molded bodies from hard ferrites)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (6)

  1. 미세한 입자로 구성된 경질의 페라이트 분말을 가소제 및 결합제의 첨가후에 소결되지 않은 성형체로 성형하여, 가열의 수단에 의해 가소제 및 결합제를 소결되지 않은 성형체로부터 제거하여, 그 후, 소결되지 않은 성형체를 소결 온도에 까지 가열하는 경질의 페라이트로 이루어지는 성형체를 제조하는 방법에 있어서, 가소제 및 결합제로서 (a) 시클로드데칸, 시클로드데카놀, 스테아릴 알콜 또는 상기 중의 2개의 물질 또는 전부의 물질을 혼합시킨 혼합물을, (b) 스테아린 산과 함께 사용하는 것을 특징으로 하는 경질의 페라이트로 이루어지는 성형체의 제조 방법.
  2. 제1항에 있어서, 성형체가 등방성 또는 이방성 자석인 것을 특징으로 하는 경질의 페라이트로 이루어지는 성형체의 제조 방법.
  3. 제1항 또는 제2항에 있어서, 성형체가 등방성 또는 이방성의 세그먼트 자석인 것을 특징으로 하는 경질의 페라이트로 이루어지는 성형체의 제조 방법.
  4. 제1항 내지 제3항 중 어느 한 항에 있어서, 미세한 입자로 구성된 경질이 페라이트 분말을 가소제 및 결합제를 첨가한 후, 사출 성형, 압출 성형 또는 프레스 성형에 의해 자기장 속에서 소결되지 않은 성형체로 성형하는 것을 특징으로 하는 경질의 페라이트로 이루어지는 성형체의 제조 방법.
  5. 제1항 내지 제4항 중 어느 한 항에 있어서, 가소제 및 결합제가, 미세한 입자로 구성된 경질의 페라이트 분말에 대하여 0.1중량 백분율∼30중량 백분율의 양으로 첨가되는 것을 특징으로 하는 경질의 페라이트로 이루어지는 성형체의 제조 방법.
  6. 제1항 내지 제5항 중 어느 한 항에 있어서, 각각 미세한 입자로 구성된 경질의 페라이트 분말에 대한 가소제 및 결합제로서, (a) 시클로드데칸, 시클로드데카놀, 스테아릴 알콜 또는 상기 중의 2개의 물질 또는 모든 물질을 혼합시킨 혼합물 0.1중량 백분율∼20중량 백분율을, (b) 스테아린 산 0.1중량 백분율∼15중량 백분율과 함께 사용하는 것을 특징으로 하는 경질의 페라이트로 이루어지는 성형체의 제조 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970701487A 1994-09-27 1995-09-02 경질의 페라이트로 이루어지는 성형체 제조 방법(Process for the manufacture of molded bodies from hard ferrites) KR100282317B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4434471A DE4434471C1 (de) 1994-09-27 1994-09-27 Verfahren zur Herstellung von Formkörpern aus Hartferriten
DEP4434471.6 1994-09-27
PCT/DE1995/001189 WO1996009998A1 (de) 1994-09-27 1995-09-02 Verfahren zur herstellung von formkörpern aus hartferriten

Publications (2)

Publication Number Publication Date
KR970705527A true KR970705527A (ko) 1997-10-09
KR100282317B1 KR100282317B1 (ko) 2001-03-02

Family

ID=6529297

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970701487A KR100282317B1 (ko) 1994-09-27 1995-09-02 경질의 페라이트로 이루어지는 성형체 제조 방법(Process for the manufacture of molded bodies from hard ferrites)

Country Status (7)

Country Link
US (1) US6063322A (ko)
EP (1) EP0783466B1 (ko)
JP (1) JP3099895B2 (ko)
KR (1) KR100282317B1 (ko)
DE (1) DE4434471C1 (ko)
ES (1) ES2127547T3 (ko)
WO (1) WO1996009998A1 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19724875C1 (de) * 1997-06-12 1998-12-10 Fraunhofer Ges Forschung Verfahren zum Formen von Pulver/Binder-Gemischen
DE10066419B8 (de) * 1999-08-30 2015-09-17 Hitachi Metals, Ltd. Verfahren zum Konservieren (Aufrechterhalten) eines Legierungspulvermaterials für einen gesinterten Magneten vom R-Fe-B-Typ
FR2856189B1 (fr) * 2003-06-10 2007-02-16 Hutchinson Procede de fabrication d'un dispositif de codage magnetique, ainsi que le dispositif ainsi obtenu
EP2030957A1 (en) * 2007-08-28 2009-03-04 Corning Incorporated Fugitive pore former for porous ceramic articles
WO2009027837A2 (en) * 2007-08-28 2009-03-05 Corning Incorporated Method for making porous ceramic articles with fugitive pore former
US8587297B2 (en) 2007-12-04 2013-11-19 Infineon Technologies Ag Integrated circuit including sensor having injection molded magnetic material
JP4685893B2 (ja) 2008-03-31 2011-05-18 Ｔｄｋ株式会社 焼結磁石の製造方法
US8174256B2 (en) * 2008-05-30 2012-05-08 Infineon Technologies Ag Methods and systems for magnetic field sensing
US8610430B2 (en) 2008-05-30 2013-12-17 Infineon Technologies Ag Bias field generation for a magneto sensor
US20110187359A1 (en) * 2008-05-30 2011-08-04 Tobias Werth Bias field generation for a magneto sensor
JP5326748B2 (ja) * 2009-03-31 2013-10-30 Ｔｄｋ株式会社 フェライト磁石の製造方法および製造装置
EP3708277B1 (en) * 2015-10-09 2023-09-13 Ossiform ApS Process for 3d printing, use of a suspension for 3d-printing and a 3d-printer

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300411A (en) * 1964-02-21 1967-01-24 Ampex Fluxes for sintering lithium ferrites
US3387066A (en) * 1964-08-10 1968-06-04 Plessey Uk Ltd Method for producing sintered nonmetallic magnetic materials
GB1097235A (en) * 1966-01-11 1968-01-03 Gen Motors Corp Oriented-ferrite bodies for permanent magnets
DE1764279A1 (de) * 1968-05-08 1972-01-27 Magnetfab Bonn Gmbh Verfahren zur Herstellung von Dauermagneten aus anisotropem Dauermagnetpulver
US3602986A (en) * 1969-10-31 1971-09-07 Du Pont Method of fabricating radially oriented magnets
JPS49128297A (ko) * 1973-04-11 1974-12-09
JPS56157474A (en) * 1980-05-10 1981-12-04 Idemitsu Kosan Co Ltd Sublimable material dispersion composiion
US4457851A (en) * 1981-12-29 1984-07-03 Hitachi Metals, Ltd. Ferrite magnet and method of producing same
EP0115104B1 (en) * 1983-01-24 1987-09-23 Sumitomo Chemical Company, Limited Making shaped sintered inorganic bodies
DE3626360C2 (de) * 1986-08-04 1995-06-22 Vogt Electronic Ag Herstellungsvefahren für zwei- und mehrpolige Dauermagnete mit hoher magnetischer Energiedichte
JPH0222165A (ja) * 1988-07-08 1990-01-25 Idemitsu Petrochem Co Ltd セラミックスバインダー
DE4033952C1 (ko) * 1990-10-25 1992-05-27 Robert Bosch Gmbh, 7000 Stuttgart, De
JPH0676257B2 (ja) * 1990-11-15 1994-09-28 川崎製鉄株式会社 Ｍｎ―Ｚｎフェライトの焼成方法

Also Published As

Publication number Publication date
DE4434471C1 (de) 1996-03-28
KR100282317B1 (ko) 2001-03-02
WO1996009998A1 (de) 1996-04-04
US6063322A (en) 2000-05-16
ES2127547T3 (es) 1999-04-16
EP0783466A1 (de) 1997-07-16
JPH10506089A (ja) 1998-06-16
JP3099895B2 (ja) 2000-10-16
EP0783466B1 (de) 1999-01-07

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