FR2476516A1 - Procede de preparation d'aimants par traitement par metallurgie des poudres - Google Patents
Procede de preparation d'aimants par traitement par metallurgie des poudres Download PDFInfo
- Publication number
- FR2476516A1 FR2476516A1 FR8102994A FR8102994A FR2476516A1 FR 2476516 A1 FR2476516 A1 FR 2476516A1 FR 8102994 A FR8102994 A FR 8102994A FR 8102994 A FR8102994 A FR 8102994A FR 2476516 A1 FR2476516 A1 FR 2476516A1
- Authority
- FR
- France
- Prior art keywords
- binder
- weight
- mixture
- process according
- sintering
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000843 powder Substances 0.000 title abstract description 28
- 238000005272 metallurgy Methods 0.000 title 1
- 239000011230 binding agent Substances 0.000 claims abstract description 43
- 239000000203 mixture Substances 0.000 claims description 22
- 238000005245 sintering Methods 0.000 claims description 17
- 230000032683 aging Effects 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 229910052804 chromium Inorganic materials 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 235000021355 Stearic acid Nutrition 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 8
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 8
- 239000008117 stearic acid Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 6
- 229930195729 fatty acid Natural products 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 6
- 239000002923 metal particle Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 4
- -1 fatty acid amines Chemical class 0.000 claims description 3
- 150000004665 fatty acids Chemical class 0.000 claims description 3
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 150000003626 triacylglycerols Chemical class 0.000 claims description 3
- OXDXXMDEEFOVHR-CLFAGFIQSA-N (z)-n-[2-[[(z)-octadec-9-enoyl]amino]ethyl]octadec-9-enamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)NCCNC(=O)CCCCCCC\C=C/CCCCCCCC OXDXXMDEEFOVHR-CLFAGFIQSA-N 0.000 claims description 2
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229920000193 polymethacrylate Polymers 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 229940037312 stearamide Drugs 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 239000002775 capsule Substances 0.000 claims 1
- 229940068917 polyethylene glycols Drugs 0.000 claims 1
- 238000003763 carbonization Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- 239000002245 particle Substances 0.000 description 22
- 239000011651 chromium Substances 0.000 description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 238000001816 cooling Methods 0.000 description 9
- 239000012298 atmosphere Substances 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 7
- 229910017052 cobalt Inorganic materials 0.000 description 7
- 239000010941 cobalt Substances 0.000 description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 238000005056 compaction Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000238876 Acari Species 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910002593 Fe-Ti Inorganic materials 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000009766 low-temperature sintering Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000004965 peroxy acids Chemical group 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 238000003466 welding Methods 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
- H01F1/06—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 in the form of particles, e.g. powder
- H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/086—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 in the form of particles, e.g. powder pressed, sintered, or bound 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- 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%
- C22C33/0285—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% with Cr, Co, or Ni having a minimum content higher than 5%
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12369180A | 1980-02-22 | 1980-02-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2476516A1 true FR2476516A1 (fr) | 1981-08-28 |
| FR2476516B1 FR2476516B1 (cs) | 1984-08-10 |
Family
ID=22410278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8102994A Granted FR2476516A1 (fr) | 1980-02-22 | 1981-02-16 | Procede de preparation d'aimants par traitement par metallurgie des poudres |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS56133402A (cs) |
| CA (1) | CA1146843A (cs) |
| DE (1) | DE3105289A1 (cs) |
| FR (1) | FR2476516A1 (cs) |
| GB (1) | GB2070067A (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0200964A1 (de) * | 1985-05-04 | 1986-11-12 | Fried. Krupp Gesellschaft mit beschränkter Haftung | Korrosionsfeste Dauermagnetlegierung |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0694563B2 (ja) * | 1987-09-30 | 1994-11-24 | 川崎製鉄株式会社 | 粉末治金用鉄基粉末混合物とその製造方法 |
| CN108555282B (zh) * | 2018-06-07 | 2020-05-05 | 中北大学 | 一种球形高活性铝钛机械合金粉及其制备方法 |
| CN113084183B (zh) * | 2021-03-17 | 2022-03-15 | 电子科技大学 | 一种杉树叶状钴颗粒及其用于制作磁性复合材料的方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3901742A (en) * | 1974-04-11 | 1975-08-26 | Gen Electric | Removal of lubricants and binders from sinterable powder components |
| US4075437A (en) * | 1976-07-16 | 1978-02-21 | Bell Telephone Laboratories, Incorporated | Composition, processing and devices including magnetic alloy |
-
1981
- 1981-01-28 CA CA000369534A patent/CA1146843A/en not_active Expired
- 1981-02-13 DE DE19813105289 patent/DE3105289A1/de not_active Withdrawn
- 1981-02-16 FR FR8102994A patent/FR2476516A1/fr active Granted
- 1981-02-19 GB GB8105247A patent/GB2070067A/en not_active Withdrawn
- 1981-02-20 JP JP2322481A patent/JPS56133402A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3901742A (en) * | 1974-04-11 | 1975-08-26 | Gen Electric | Removal of lubricants and binders from sinterable powder components |
| US4075437A (en) * | 1976-07-16 | 1978-02-21 | Bell Telephone Laboratories, Incorporated | Composition, processing and devices including magnetic alloy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0200964A1 (de) * | 1985-05-04 | 1986-11-12 | Fried. Krupp Gesellschaft mit beschränkter Haftung | Korrosionsfeste Dauermagnetlegierung |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1146843A (en) | 1983-05-24 |
| FR2476516B1 (cs) | 1984-08-10 |
| DE3105289A1 (de) | 1982-04-01 |
| JPS56133402A (en) | 1981-10-19 |
| GB2070067A (en) | 1981-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |