HK1032247A1 - Permanent magnetic alloy with excellent heat resistance and process for producing the same - Google Patents

Permanent magnetic alloy with excellent heat resistance and process for producing the same

Info

Publication number
HK1032247A1
HK1032247A1 HK01102163A HK01102163A HK1032247A1 HK 1032247 A1 HK1032247 A1 HK 1032247A1 HK 01102163 A HK01102163 A HK 01102163A HK 01102163 A HK01102163 A HK 01102163A HK 1032247 A1 HK1032247 A1 HK 1032247A1
Authority
HK
Hong Kong
Prior art keywords
producing
same
heat resistance
excellent heat
permanent magnetic
Prior art date
Application number
HK01102163A
Inventor
Masami Kamata
Michio Obata
Yuichi Sato
Original Assignee
Dowa Mining Co
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 Dowa Mining Co filed Critical Dowa Mining Co
Publication of HK1032247A1 publication Critical patent/HK1032247A1/en

Links

Classifications

    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • 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
    • H01F41/0266—Moulding; Pressing
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
HK01102163A 1998-07-29 2001-03-26 Permanent magnetic alloy with excellent heat resistance and process for producing the same HK1032247A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22752298 1998-07-29
PCT/JP1999/004048 WO2000006792A1 (en) 1998-07-29 1999-07-28 Permanent magnetic alloy with excellent heat resistance and process for producing the same

Publications (1)

Publication Number Publication Date
HK1032247A1 true HK1032247A1 (en) 2001-07-13

Family

ID=16862232

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01102163A HK1032247A1 (en) 1998-07-29 2001-03-26 Permanent magnetic alloy with excellent heat resistance and process for producing the same

Country Status (6)

Country Link
EP (2) EP1607491B1 (en)
JP (1) JP4034936B2 (en)
CN (1) CN1098368C (en)
DE (2) DE69938467T2 (en)
HK (1) HK1032247A1 (en)
WO (1) WO2000006792A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6866740B2 (en) * 2001-11-28 2005-03-15 Masonite Corporation Method of manufacturing contoured consolidated cellulosic panels with variable basis weight
JP4548127B2 (en) * 2005-01-26 2010-09-22 Ｔｄｋ株式会社 R-T-B sintered magnet
PL2178096T3 (en) * 2007-07-27 2016-06-30 Hitachi Metals Ltd R-Fe-B RARE EARTH SINTERED MAGNET
RU2572243C1 (en) * 2014-08-14 2016-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Астраханский государственный университет" Manganite with significant magnetostriction constant, stable in temperature range
RU2578211C1 (en) * 2014-10-29 2016-03-27 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" (ФГУП "ВИАМ") Magnetic material for permanent magnets and item made from it
CN104923790B (en) * 2014-11-25 2018-08-17 安泰科技股份有限公司 A kind of gadolinium block materials and preparation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2935376B2 (en) * 1989-12-01 1999-08-16 住友特殊金属株式会社 permanent magnet
JP3009687B2 (en) * 1989-12-15 2000-02-14 住友特殊金属株式会社 Manufacturing method of high corrosion resistant sintered permanent magnet material
JP2740981B2 (en) * 1990-09-06 1998-04-15 同和鉱業株式会社 R-Fe-Co-BC permanent magnet alloy with excellent thermal stability with small irreversible demagnetization
JPH06287720A (en) * 1993-03-31 1994-10-11 Daido Steel Co Ltd Permanent magnet alloy
JPH1097907A (en) * 1996-09-20 1998-04-14 Hitachi Metals Ltd Manufacture of r-tm-b based permanent magnet

Also Published As

Publication number Publication date
CN1098368C (en) 2003-01-08
DE69938467D1 (en) 2008-05-15
DE69938467T2 (en) 2009-04-09
EP1607491B1 (en) 2008-04-02
DE69927931D1 (en) 2005-12-01
DE69927931T2 (en) 2006-07-20
EP1026279A1 (en) 2000-08-09
EP1026279B1 (en) 2005-10-26
WO2000006792A1 (en) 2000-02-10
JP4034936B2 (en) 2008-01-16
EP1607491A1 (en) 2005-12-21
CN1274394A (en) 2000-11-22
EP1026279A4 (en) 2003-04-09

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20130728