IT952517B - PROCEDURE FOR THE PRODUCTION OF BODIES HAVING ANISOTROPIC PERMANENT MAGNETIC PROPERTIES - Google Patents
PROCEDURE FOR THE PRODUCTION OF BODIES HAVING ANISOTROPIC PERMANENT MAGNETIC PROPERTIESInfo
- Publication number
- IT952517B IT952517B IT49410/72A IT4941072A IT952517B IT 952517 B IT952517 B IT 952517B IT 49410/72 A IT49410/72 A IT 49410/72A IT 4941072 A IT4941072 A IT 4941072A IT 952517 B IT952517 B IT 952517B
- Authority
- IT
- Italy
- Prior art keywords
- bodies
- procedure
- production
- magnetic properties
- permanent magnetic
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7104566A NL7104566A (en) | 1971-04-06 | 1971-04-06 | Anisotropic permanent magnets - by sintering body composed of cpd of cobalt and rare earth, yttrium or thorium |
NL7203267A NL7203267A (en) | 1972-03-11 | 1972-03-11 | Permanent magnet prepn - using a powder mixture of low oxygen content and high sintering temp |
Publications (1)
Publication Number | Publication Date |
---|---|
IT952517B true IT952517B (en) | 1973-07-30 |
Family
ID=26644642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49410/72A IT952517B (en) | 1971-04-06 | 1972-04-01 | PROCEDURE FOR THE PRODUCTION OF BODIES HAVING ANISOTROPIC PERMANENT MAGNETIC PROPERTIES |
Country Status (8)
Country | Link |
---|---|
US (1) | US3785881A (en) |
JP (1) | JPS5120291B1 (en) |
CA (1) | CA977658A (en) |
CH (1) | CH591149A5 (en) |
DE (1) | DE2215301B2 (en) |
FR (1) | FR2135156B1 (en) |
GB (1) | GB1350318A (en) |
IT (1) | IT952517B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3964939A (en) * | 1974-12-26 | 1976-06-22 | Bell Telephone Laboratories, Incorporated | Bodies including passivated metal particles |
US3970485A (en) * | 1975-01-20 | 1976-07-20 | Hitachi Magnetics Corporation | Binder and lubricant removal from cobalt-rare earth alloys |
US4881988A (en) * | 1987-11-16 | 1989-11-21 | Rjf International Corporation | Novel flexible magnet for use in small dc motors |
US5489343A (en) * | 1993-01-29 | 1996-02-06 | Hitachi Metals, Ltd. | Method for producing R-Fe-B-based, sintered magnet |
JP5197669B2 (en) | 2010-03-31 | 2013-05-15 | 株式会社東芝 | Permanent magnet and motor and generator using the same |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6907499A (en) * | 1969-05-14 | 1970-11-17 |
-
1972
- 1972-03-29 DE DE19722215301 patent/DE2215301B2/en active Pending
- 1972-03-30 CH CH482172A patent/CH591149A5/xx not_active IP Right Cessation
- 1972-04-01 IT IT49410/72A patent/IT952517B/en active
- 1972-04-03 JP JP47033424A patent/JPS5120291B1/ja active Pending
- 1972-04-04 CA CA138,770A patent/CA977658A/en not_active Expired
- 1972-04-05 GB GB1567272A patent/GB1350318A/en not_active Expired
- 1972-04-05 US US00241201A patent/US3785881A/en not_active Expired - Lifetime
- 1972-04-06 FR FR7212104A patent/FR2135156B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2135156B1 (en) | 1975-10-24 |
US3785881A (en) | 1974-01-15 |
CH591149A5 (en) | 1977-09-15 |
DE2215301B2 (en) | 1976-07-08 |
GB1350318A (en) | 1974-04-18 |
FR2135156A1 (en) | 1972-12-15 |
JPS5120291B1 (en) | 1976-06-24 |
DE2215301A1 (en) | 1972-10-12 |
CA977658A (en) | 1975-11-11 |
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