DE69807036T2 - Seltenerd Dauermagnet mit hohem Korrosionswiderstand - Google Patents

Seltenerd Dauermagnet mit hohem Korrosionswiderstand

Info

Publication number
DE69807036T2
DE69807036T2 DE69807036T DE69807036T DE69807036T2 DE 69807036 T2 DE69807036 T2 DE 69807036T2 DE 69807036 T DE69807036 T DE 69807036T DE 69807036 T DE69807036 T DE 69807036T DE 69807036 T2 DE69807036 T2 DE 69807036T2
Authority
DE
Germany
Prior art keywords
permanent magnet
rare earth
corrosion resistance
high corrosion
earth permanent
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69807036T
Other languages
English (en)
Other versions
DE69807036D1 (de
Inventor
Kenichi Katsumi
Takehisa Minowa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical Co Ltd
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.)
Filing date
Publication date
Application filed by Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Publication of DE69807036D1 publication Critical patent/DE69807036D1/de
Application granted granted Critical
Publication of DE69807036T2 publication Critical patent/DE69807036T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H01F41/0253—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 for manufacturing permanent magnets
    • H01F41/026—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 for manufacturing permanent magnets protecting methods against environmental influences, e.g. oxygen, by surface treatment
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal
    • Y10T428/31714—Next to natural gum, natural oil, rosin, lac or wax

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE69807036T 1997-12-19 1998-12-15 Seltenerd Dauermagnet mit hohem Korrosionswiderstand Expired - Lifetime DE69807036T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP35051897 1997-12-19

Publications (2)

Publication Number Publication Date
DE69807036D1 DE69807036D1 (de) 2002-09-12
DE69807036T2 true DE69807036T2 (de) 2003-05-08

Family

ID=18411049

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69807036T Expired - Lifetime DE69807036T2 (de) 1997-12-19 1998-12-15 Seltenerd Dauermagnet mit hohem Korrosionswiderstand

Country Status (4)

Country Link
US (1) US6174609B1 (de)
EP (1) EP0924715B1 (de)
KR (1) KR100487081B1 (de)
DE (1) DE69807036T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6511552B1 (en) * 1998-03-23 2003-01-28 Sumitomo Special Metals Co., Ltd. Permanent magnets and R-TM-B based permanent magnets
DE29903607U1 (de) * 1999-02-28 2000-04-13 Maco Gmbh NdFeB-Magnete
JP3159693B1 (ja) * 1999-08-30 2001-04-23 住友特殊金属株式会社 耐食性被膜を有する希土類系永久磁石の製造方法
EP1184327B1 (de) * 2000-09-01 2003-06-25 Hyung Jung Magnetische Hebevorrichtung
US6761934B2 (en) * 2001-08-03 2004-07-13 Elisha Holding Llc Electroless process for treating metallic surfaces and products formed thereby
JP3572040B2 (ja) * 2001-11-09 2004-09-29 株式会社Ｎｅｏｍａｘ 耐食性被膜を有する希土類系永久磁石、その製造方法および耐食性被膜形成処理液
US7371472B2 (en) * 2002-12-24 2008-05-13 Sagami Chemical Metal Co., Ltd. Permanent magnet ring
US20040249023A1 (en) * 2003-01-17 2004-12-09 Stoffer James O. Compounds for corrosion resistant primer coatings and protection of metal substrates
ES2721655T3 (es) * 2003-01-17 2019-08-02 Univ Missouri Recubrimientos resistentes a la corrosión
US7601425B2 (en) * 2003-03-07 2009-10-13 The Curators Of The University Of Missouri Corrosion resistant coatings containing carbon
US7250840B2 (en) * 2004-03-29 2007-07-31 Shin-Etsu Chemical Co., Ltd. Layered product
JPWO2005112053A1 (ja) * 2004-05-13 2008-03-27 信越化学工業株式会社 耐食性に優れた磁気回路およびボイスコイルモータもしくはアクチュエーター
EP1734539B1 (de) * 2004-06-30 2011-04-27 Shin-Etsu Chemical Co., Ltd. Korrosionsbeständige seltenerdmagneten und herstellungsprozess dafür
US8235993B2 (en) * 2007-09-28 2012-08-07 Tyco Healthcare Group Lp Insulating boot for electrosurgical forceps with exohinged structure
CN102397835B (zh) * 2010-09-10 2015-05-20 北京中科三环高技术股份有限公司 一种采用纳米陶瓷对钕铁硼永磁材料的表面处理方法
CN102397836B (zh) * 2010-09-10 2015-05-20 北京中科三环高技术股份有限公司 一种永磁体的喷涂有机铝的表面处理方法
CN102453431B (zh) * 2010-10-14 2016-09-28 北京中科三环高技术股份有限公司 一种永磁材料的硅烷化表面处理技术
CN102610354A (zh) * 2011-01-24 2012-07-25 北京中科三环高技术股份有限公司 一种耐蚀性稀土磁体及工件的加工方法
US9427163B2 (en) 2012-06-28 2016-08-30 Volcano Corporation Side-loading connectors for use with intravascular devices and associated systems and methods
CN102936455B (zh) * 2012-10-31 2015-05-13 沈阳中北通磁科技股份有限公司 一种钕铁硼稀土永磁体表面防腐涂层及其制备方法
CN104493183B (zh) * 2014-11-27 2017-01-04 北京科技大学 一种水\油流磨制备钕铁硼永磁合金粉末的制备方法
KR102508136B1 (ko) * 2015-05-29 2023-03-08 피알시-데소토 인터내쇼날, 인코포레이티드 리튬 실리케이트를 부식 억제제로서 함유하는 경화성 필름-형성 조성물 및 다층 코팅된 금속 기재
CN104984889A (zh) * 2015-06-18 2015-10-21 安徽大地熊新材料股份有限公司 一种微纳尺寸颗粒增强型锌铝涂层及其生产方法
US9905345B2 (en) 2015-09-21 2018-02-27 Apple Inc. Magnet electroplating
CN105427993A (zh) * 2015-11-27 2016-03-23 宁波科星材料科技有限公司 一种低失重钕铁硼磁体及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3789829T2 (de) 1986-06-06 1994-09-01 Seiko Instr Inc Seltene Erden-Eisenmagnet und Herstellungsverfahren.
US5173206A (en) * 1987-12-14 1992-12-22 The B. F. Goodrich Company Passivated rare earth magnet or magnetic material compositions
US4988755A (en) * 1987-12-14 1991-01-29 The B. F. Goodrich Company Passivated rare earth magnet or magnetic material compositions
US5840375A (en) * 1995-06-22 1998-11-24 Shin-Etsu Chemical Co., Ltd. Method for the preparation of a highly corrosion resistant rare earth based permanent magnet
JPH097868A (ja) * 1995-06-22 1997-01-10 Shin Etsu Chem Co Ltd 高耐食性永久磁石およびその製造方法
JP3007557B2 (ja) * 1995-08-29 2000-02-07 信越化学工業株式会社 高耐食性永久磁石およびその製造方法

Also Published As

Publication number Publication date
KR19990063249A (ko) 1999-07-26
DE69807036D1 (de) 2002-09-12
US6174609B1 (en) 2001-01-16
EP0924715A2 (de) 1999-06-23
KR100487081B1 (ko) 2005-08-17
EP0924715B1 (de) 2002-08-07
EP0924715A3 (de) 1999-09-29

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