JP5661843B2 - 粉末被覆を行うための振動機 - Google Patents
粉末被覆を行うための振動機 Download PDFInfo
- Publication number
- JP5661843B2 JP5661843B2 JP2013075896A JP2013075896A JP5661843B2 JP 5661843 B2 JP5661843 B2 JP 5661843B2 JP 2013075896 A JP2013075896 A JP 2013075896A JP 2013075896 A JP2013075896 A JP 2013075896A JP 5661843 B2 JP5661843 B2 JP 5661843B2
- Authority
- JP
- Japan
- Prior art keywords
- alloy powder
- powder
- coating
- level belt
- permanent magnet
- 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 - Fee Related
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/17—Metallic particles coated with metal
-
- 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
- H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
- Thin Magnetic Films (AREA)
Description
12…被覆
14…被覆粉末
16…被覆材料
18…蒸着ターゲット
20…永久磁石
22…金型
30…上レベルベルト
32…中レベルベルト
34…下レベルベルト
36…被覆
40…被覆粉末
42,44…蒸着源
48…永久磁石
50…金型
Claims (9)
- 磁石の製造方法であって、
ネオジム、鉄およびホウ素を含む合金粉末を供給する工程と、
前記合金粉末を、上レベルベルトから中レベルベルトまで移送した後、下レベルベルトに移送する工程であって、前記上レベルベルトおよび前記中レベルベルトが、前記合金粉末を振動させるために振動される工程と、
ジスプロシウム、テルビウム、鉄および他の金属、ならびに、それらの合金からなる群から選択される成分を含む被覆を物理蒸着法によって前記合金粉末に形成して、被覆粉末を形成する工程と、
前記被覆粉末から、ジスプロシウムおよびテルビウムの少なくとも一方の分布が不均一な永久磁石を形成する工程と
を備え、
前記被覆の形成は、前記中レベルベルト上で行われる方法。 - 請求項1に記載の方法であって、
前記永久磁石は、ネオジム・鉄・ホウ素磁区が、ジスプロシウムおよびテルビウムの少なくとも一方を含む層で被覆された領域を含む
方法。 - 請求項1に記載の方法であって、
前記合金粉末は、少なくとも1つの水平方向と垂直方向とに沿って線形振動される
方法。 - 請求項1に記載の方法であって、
前記合金粉末は、水平方向に沿って円振動されるとともに、垂直方向に沿って線形振動される
方法。 - 請求項1に記載の方法であって、
前記合金粉末は、水平方向に沿って揺動されるとともに、垂直方向に沿って線形振動される
方法。 - 請求項1に記載の方法であって、
前記永久磁石は、粉末冶金プロセスを使用して形成される
方法。 - 請求項6に記載の方法であって、
前記合金粉末は、該合金粉末を金型内に配置することによって賦形される
方法。 - 請求項6に記載の方法であって、
前記合金粉末は、前記賦形中に磁界下でプレスされるとともに、オプションとして、グリーン密度を高めるために、静圧プレスまたは衝撃圧縮される
方法。 - 請求項1に記載の方法であって、
前記合金粉末は、水素粉砕される
方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/439,321 | 2012-04-04 | ||
US13/439,321 US8728390B2 (en) | 2012-04-04 | 2012-04-04 | Vibration machines for powder coating |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013219352A JP2013219352A (ja) | 2013-10-24 |
JP5661843B2 true JP5661843B2 (ja) | 2015-01-28 |
Family
ID=49210080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013075896A Expired - Fee Related JP5661843B2 (ja) | 2012-04-04 | 2013-04-01 | 粉末被覆を行うための振動機 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8728390B2 (ja) |
JP (1) | JP5661843B2 (ja) |
CN (1) | CN103366940B (ja) |
DE (1) | DE102013205435B4 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108475971B (zh) * | 2016-01-27 | 2020-08-11 | 三菱电机株式会社 | 磁化方法、转子、电动机以及涡旋压缩机 |
CN106384637B (zh) * | 2016-10-28 | 2019-06-14 | 北京科技大学 | 一种改善边界结构制备高性能钕铁硼磁体的方法 |
WO2018113717A1 (zh) * | 2016-12-21 | 2018-06-28 | 包头稀土研究院 | 钕铁硼永磁材料的制备方法 |
CN111916285A (zh) * | 2020-08-08 | 2020-11-10 | 烟台首钢磁性材料股份有限公司 | 一种低重稀土高矫顽力烧结钕铁硼磁体的制备方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2991544B2 (ja) * | 1991-08-09 | 1999-12-20 | インターメタリックス株式会社 | 皮膜形成方法 |
US5397530A (en) * | 1993-04-26 | 1995-03-14 | Hoeganaes Corporation | Methods and apparatus for heating metal powders |
CN1222205A (zh) * | 1996-04-26 | 1999-07-07 | 材料革新公司 | 粉末的电化学流化床涂敷 |
JPH11135312A (ja) * | 1997-10-24 | 1999-05-21 | Sumitomo Metal Mining Co Ltd | 永久磁石粉末 |
US6511552B1 (en) * | 1998-03-23 | 2003-01-28 | Sumitomo Special Metals Co., Ltd. | Permanent magnets and R-TM-B based permanent magnets |
JP3755020B2 (ja) * | 1998-10-01 | 2006-03-15 | 独立行政法人物質・材料研究機構 | 粒子の被膜方法および装置 |
JP2002270417A (ja) * | 2001-03-07 | 2002-09-20 | Yaskawa Electric Corp | 永久磁石用粒子とその製造方法、および永久磁石 |
JP4061573B2 (ja) * | 2001-05-18 | 2008-03-19 | ソニー株式会社 | 導電性触媒粒子の製造方法及びガス拡散性触媒電極の製造方法、並びに導電性触媒粒子の製造方法に用いる装置 |
US7632360B2 (en) * | 2003-08-27 | 2009-12-15 | Nissan Motor Co., Ltd. | Rare earth magnet powder and method of producing the same |
JP2005226125A (ja) * | 2004-02-13 | 2005-08-25 | Hitachi Metals Ltd | 磁性粒子の製造方法 |
JP4654709B2 (ja) * | 2004-07-28 | 2011-03-23 | 株式会社日立製作所 | 希土類磁石 |
CN104260726B (zh) * | 2007-04-13 | 2018-08-10 | 泰克尼恩研究和发展基金有限公司 | 振动机器人蠕动器 |
JP5125818B2 (ja) * | 2007-07-24 | 2013-01-23 | 日産自動車株式会社 | 磁性体成形体およびその製造方法 |
CN101364465B (zh) * | 2008-06-06 | 2013-07-10 | 浙江西子富沃德电机有限公司 | 稀土永磁材料及其制备方法 |
JP2010263172A (ja) | 2008-07-04 | 2010-11-18 | Daido Steel Co Ltd | 希土類磁石およびその製造方法 |
JP5381435B2 (ja) * | 2009-07-14 | 2014-01-08 | 富士電機株式会社 | 永久磁石用磁石粉末の製造方法、永久磁石粉末及び永久磁石 |
JP2013254756A (ja) * | 2010-08-30 | 2013-12-19 | Hitachi Ltd | 焼結磁石 |
US8480815B2 (en) | 2011-01-14 | 2013-07-09 | GM Global Technology Operations LLC | Method of making Nd-Fe-B sintered magnets with Dy or Tb |
-
2012
- 2012-04-04 US US13/439,321 patent/US8728390B2/en active Active
-
2013
- 2013-03-27 DE DE102013205435.1A patent/DE102013205435B4/de active Active
- 2013-04-01 JP JP2013075896A patent/JP5661843B2/ja not_active Expired - Fee Related
- 2013-04-03 CN CN201310114481.4A patent/CN103366940B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
JP2013219352A (ja) | 2013-10-24 |
US8728390B2 (en) | 2014-05-20 |
DE102013205435A1 (de) | 2013-10-10 |
CN103366940A (zh) | 2013-10-23 |
CN103366940B (zh) | 2016-01-13 |
DE102013205435B4 (de) | 2019-09-26 |
US20130266471A1 (en) | 2013-10-10 |
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