DE2142110B2 - Verfahren zur herstellung eines koerpers mit anisotropen dauermagnetischen eigenschaften aus einer co tief 5 r- verbindung - Google Patents
Verfahren zur herstellung eines koerpers mit anisotropen dauermagnetischen eigenschaften aus einer co tief 5 r- verbindungInfo
- Publication number
- DE2142110B2 DE2142110B2 DE19712142110 DE2142110A DE2142110B2 DE 2142110 B2 DE2142110 B2 DE 2142110B2 DE 19712142110 DE19712142110 DE 19712142110 DE 2142110 A DE2142110 A DE 2142110A DE 2142110 B2 DE2142110 B2 DE 2142110B2
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- sintering
- sintered
- aging
- coercive force
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 20
- 150000001875 compounds Chemical class 0.000 title claims description 10
- 238000005245 sintering Methods 0.000 claims description 65
- 230000032683 aging Effects 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 21
- 229910052684 Cerium Inorganic materials 0.000 claims description 6
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 229910052772 Samarium Inorganic materials 0.000 claims description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910052727 yttrium Inorganic materials 0.000 claims description 4
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 4
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims description 2
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 2
- 229910052776 Thorium Inorganic materials 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical group [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 claims 3
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 17
- 230000005347 demagnetization Effects 0.000 description 8
- 230000005415 magnetization Effects 0.000 description 6
- 229910001122 Mischmetal Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910020785 La—Ce Inorganic materials 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- H01F1/0555—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
-
- 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
- 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
- B22F3/12—Both compacting and sintering
-
- 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
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7012667A NL7012667A (enrdf_load_stackoverflow) | 1970-08-27 | 1970-08-27 | |
| NL7015617A NL7015617A (en) | 1970-10-24 | 1970-10-24 | Anisotropic non-aging permanent magnets - from sintered powdered cobalt and rare earth cpds |
| NL7016725A NL7016725A (en) | 1970-11-14 | 1970-11-14 | Anisotropic non-aging permanent magnets - from sintered powdered cobalt and rare earth cpds |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2142110A1 DE2142110A1 (en) | 1972-03-02 |
| DE2142110B2 true DE2142110B2 (de) | 1976-06-24 |
Family
ID=27351595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712142110 Ceased DE2142110B2 (de) | 1970-08-27 | 1971-08-23 | Verfahren zur herstellung eines koerpers mit anisotropen dauermagnetischen eigenschaften aus einer co tief 5 r- verbindung |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT312953B (enrdf_load_stackoverflow) |
| BE (1) | BE771773A (enrdf_load_stackoverflow) |
| CA (1) | CA950711A (enrdf_load_stackoverflow) |
| CH (1) | CH574159A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2142110B2 (enrdf_load_stackoverflow) |
| ES (1) | ES394515A1 (enrdf_load_stackoverflow) |
| SE (1) | SE378049B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0251233A1 (en) * | 1986-06-26 | 1988-01-07 | Research Development Corporation of Japan | Anisotropic rare earth magnet material and production process thereof |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2182635B1 (enrdf_load_stackoverflow) * | 1972-05-02 | 1978-03-03 | Sermag | |
| FR2295130A1 (fr) * | 1974-08-27 | 1976-07-16 | Aimants Ugimag Sa | Composition pour aimants permanents de la famille " terres-rares - metaux de transition " et procede de fabrication d'un tel aimant |
| US4597938A (en) * | 1983-05-21 | 1986-07-01 | Sumitomo Special Metals Co., Ltd. | Process for producing permanent magnet materials |
| US4601875A (en) * | 1983-05-25 | 1986-07-22 | Sumitomo Special Metals Co., Ltd. | Process for producing magnetic materials |
| DE3587977T2 (de) * | 1984-02-28 | 1995-05-18 | Sumitomo Spec Metals | Dauermagnete. |
| JPH0442507A (ja) * | 1990-06-08 | 1992-02-13 | Hitachi Metals Ltd | 希土類永久磁石およびその熱処理方法ならびに磁石体 |
-
1971
- 1971-08-23 DE DE19712142110 patent/DE2142110B2/de not_active Ceased
- 1971-08-24 CH CH1239171A patent/CH574159A5/xx not_active IP Right Cessation
- 1971-08-24 SE SE7110731A patent/SE378049B/xx unknown
- 1971-08-24 CA CA121,179,A patent/CA950711A/en not_active Expired
- 1971-08-24 AT AT739771A patent/AT312953B/de not_active IP Right Cessation
- 1971-08-25 BE BE771773A patent/BE771773A/xx unknown
- 1971-08-25 ES ES394515A patent/ES394515A1/es not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0251233A1 (en) * | 1986-06-26 | 1988-01-07 | Research Development Corporation of Japan | Anisotropic rare earth magnet material and production process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| BE771773A (fr) | 1972-02-25 |
| AT312953B (de) | 1974-01-25 |
| SE378049B (enrdf_load_stackoverflow) | 1975-08-11 |
| DE2142110A1 (en) | 1972-03-02 |
| CA950711A (en) | 1974-07-09 |
| CH574159A5 (enrdf_load_stackoverflow) | 1976-03-31 |
| ES394515A1 (es) | 1974-03-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BHV | Refusal |