JP4723741B2 - 希土類磁石合金塊の良否判定方法、製造方法、希土類磁石合金塊および希土類磁石合金 - Google Patents

希土類磁石合金塊の良否判定方法、製造方法、希土類磁石合金塊および希土類磁石合金 Download PDF

Info

Publication number
JP4723741B2
JP4723741B2 JP2001075166A JP2001075166A JP4723741B2 JP 4723741 B2 JP4723741 B2 JP 4723741B2 JP 2001075166 A JP2001075166 A JP 2001075166A JP 2001075166 A JP2001075166 A JP 2001075166A JP 4723741 B2 JP4723741 B2 JP 4723741B2
Authority
JP
Japan
Prior art keywords
alloy
rare earth
earth magnet
hydrogen
mass
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
JP2001075166A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002275598A5 (enrdf_load_stackoverflow
JP2002275598A (ja
Inventor
宇礼武 細野
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Priority to JP2001075166A priority Critical patent/JP4723741B2/ja
Priority to PCT/JP2002/002483 priority patent/WO2002075305A1/en
Priority to CN 200510084295 priority patent/CN1737181A/zh
Priority to CNB028006542A priority patent/CN1231754C/zh
Publication of JP2002275598A publication Critical patent/JP2002275598A/ja
Publication of JP2002275598A5 publication Critical patent/JP2002275598A5/ja
Application granted granted Critical
Publication of JP4723741B2 publication Critical patent/JP4723741B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
JP2001075166A 2001-03-16 2001-03-16 希土類磁石合金塊の良否判定方法、製造方法、希土類磁石合金塊および希土類磁石合金 Expired - Lifetime JP4723741B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2001075166A JP4723741B2 (ja) 2001-03-16 2001-03-16 希土類磁石合金塊の良否判定方法、製造方法、希土類磁石合金塊および希土類磁石合金
PCT/JP2002/002483 WO2002075305A1 (en) 2001-03-16 2002-03-15 Quality testing method and production method of rare earth magnet alloy ingot, the rare earth magnet alloy ingot, and rare earth magnet alloy
CN 200510084295 CN1737181A (zh) 2001-03-16 2002-03-15 稀土磁体合金锭及由其生产的稀土磁体
CNB028006542A CN1231754C (zh) 2001-03-16 2002-03-15 稀土磁体合金锭的质量评定方法和生产方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001075166A JP4723741B2 (ja) 2001-03-16 2001-03-16 希土類磁石合金塊の良否判定方法、製造方法、希土類磁石合金塊および希土類磁石合金

Publications (3)

Publication Number Publication Date
JP2002275598A JP2002275598A (ja) 2002-09-25
JP2002275598A5 JP2002275598A5 (enrdf_load_stackoverflow) 2008-04-10
JP4723741B2 true JP4723741B2 (ja) 2011-07-13

Family

ID=18932282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001075166A Expired - Lifetime JP4723741B2 (ja) 2001-03-16 2001-03-16 希土類磁石合金塊の良否判定方法、製造方法、希土類磁石合金塊および希土類磁石合金

Country Status (2)

Country Link
JP (1) JP4723741B2 (enrdf_load_stackoverflow)
CN (1) CN1737181A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4977307B2 (ja) * 2004-01-26 2012-07-18 並木精密宝石株式会社 小型モータ
JP4692485B2 (ja) * 2004-04-30 2011-06-01 日立金属株式会社 希土類磁石用原料合金および粉末ならびに焼結磁石の製造方法
CN102921952A (zh) * 2012-10-16 2013-02-13 山东依诺威强磁材料有限公司 用于手机振动马达用磁钢的粉体破碎方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH042601A (ja) * 1990-04-18 1992-01-07 Matsushita Electric Ind Co Ltd 水素吸蔵合金の選別方法
JPH04214806A (ja) * 1990-08-16 1992-08-05 Showa Denko Kk 希土類異方性永久磁石粉末の製造法
JP3291385B2 (ja) * 1993-12-21 2002-06-10 三洋電機株式会社 水素吸蔵合金の性能予測方法
JPH0841502A (ja) * 1994-07-28 1996-02-13 Showa Denko Kk 希土類永久磁石用合金粉末の製造法
JP3449166B2 (ja) * 1996-04-10 2003-09-22 昭和電工株式会社 希土類磁石用合金及びその製造方法

Also Published As

Publication number Publication date
CN1737181A (zh) 2006-02-22
JP2002275598A (ja) 2002-09-25

Similar Documents

Publication Publication Date Title
US7431070B2 (en) Rare earth magnet alloy ingot, manufacturing method for the same, R-T-B type magnet alloy ingot, R-T-B type magnet, R-T-B type bonded magnet, R-T-B type exchange spring magnet alloy ingot, R-T-B type exchange spring magnet, and R-T-B type exchange spring bonded magnet
KR101106824B1 (ko) Ｒ-ｔ-ｂ계 합금 및 ｒ-ｔ-ｂ계 합금의 제조 방법, ｒ-ｔ-ｂ계 희토류 영구 자석용 미분, ｒ-ｔ-ｂ계 희토류 영구 자석
US11145443B2 (en) R-T-B-based magnet material alloy and method for producing the same
JP4832856B2 (ja) Ｒ−ｔ−ｂ系合金及びｒ−ｔ−ｂ系合金薄片の製造方法、ｒ−ｔ−ｂ系希土類永久磁石用微粉、ｒ−ｔ−ｂ系希土類永久磁石
JP4389427B2 (ja) 希土類−鉄−硼素系磁石用合金粉末を用いた焼結磁石
JP3724513B2 (ja) 永久磁石の製造方法
JP3449166B2 (ja) 希土類磁石用合金及びその製造方法
US7846273B2 (en) R-T-B type alloy, production method of R-T-B type alloy flake, fine powder for R-T-B type rare earth permanent magnet, and R-T-B type rare earth permanent magnet
JP4479944B2 (ja) 希土類磁石用合金薄片およびその製造方法
JP2004111481A (ja) 希土類焼結磁石およびその製造方法
JP4366360B2 (ja) Ｒ−ｔ−ｂ系永久磁石用原料合金およびｒ−ｔ−ｂ系永久磁石
CN100591788C (zh) 稀土磁体合金铸块、其生产方法、r－t－b型磁体合金铸块、r－t－b型磁体、r－t－b型粘结磁体、r－t－b型交换弹性磁体合金铸块、r－t－b型交换弹性磁体和r－t－b型交换弹性粘结磁体
JP4723741B2 (ja) 希土類磁石合金塊の良否判定方法、製造方法、希土類磁石合金塊および希土類磁石合金
JP5613856B1 (ja) Ｒ−ｔ−ｂ系希土類焼結磁石用合金、ｒ−ｔ−ｂ系希土類焼結磁石用合金の製造方法、ｒ−ｔ−ｂ系希土類焼結磁石用合金材料、ｒ−ｔ−ｂ系希土類焼結磁石、ｒ−ｔ−ｂ系希土類焼結磁石の製造方法およびモーター
WO2002072900A2 (en) Method for controlling structure of rare earth element-containing alloy, powder material of the alloy and magnet using the same
US20150010426A1 (en) R-T-B-Ga-BASED MAGNET MATERIAL ALLOY AND METHOD OF PRODUCING THE SAME
TW567104B (en) The method for controlling inside texture of alloy containing rare earth elements, the powder of aforementioned alloy and the magnetic stone made by it
JP4879503B2 (ja) Ｒ−ｔ−ｂ系焼結磁石用合金塊、その製造法および磁石
JP3452561B2 (ja) 希土類磁石およびその製造方法
JP4318204B2 (ja) 希土類含有合金薄片の製造方法、希土類磁石用合金薄片、希土類焼結磁石用合金粉末、希土類焼結磁石、ボンド磁石用合金粉末、及びボンド磁石
JP4853629B2 (ja) 希土類焼結磁石の製造方法
JP2018170483A (ja) Ｒ−ｔ−ｂ系希土類焼結磁石用合金およびｒ−ｔ−ｂ系希土類焼結磁石の製造方法
JP2003334643A (ja) 希土類合金の製造方法、ｒ−ｔ−ｂ系磁石用合金塊、ｒ−ｔ−ｂ系磁石、ｒ−ｔ−ｂ系ボンド磁石、ｒ−ｔ−ｂ系交換スプリング磁石用合金塊、ｒ−ｔ−ｂ系交換スプリング磁石、およびｒ−ｔ−ｂ系交換スプリングボンド磁石
WO2002075305A1 (en) Quality testing method and production method of rare earth magnet alloy ingot, the rare earth magnet alloy ingot, and rare earth magnet alloy
WO2009125671A1 (ja) Ｒ－ｔ－ｂ系合金及びｒ－ｔ－ｂ系合金の製造方法、ｒ－ｔ－ｂ系希土類永久磁石用微粉、ｒ－ｔ－ｂ系希土類永久磁石、ｒ－ｔ－ｂ系希土類永久磁石の製造方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080227

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080227

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110120

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110221

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20110221

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110405

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110408

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140415

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350