KR102252068B1 - ThMn12형 자성체 및 그 제조방법 - Google Patents
ThMn12형 자성체 및 그 제조방법 Download PDFInfo
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- KR102252068B1 KR102252068B1 KR1020180152933A KR20180152933A KR102252068B1 KR 102252068 B1 KR102252068 B1 KR 102252068B1 KR 1020180152933 A KR1020180152933 A KR 1020180152933A KR 20180152933 A KR20180152933 A KR 20180152933A KR 102252068 B1 KR102252068 B1 KR 102252068B1
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000126 substance Substances 0.000 title 1
- 239000000696 magnetic material Substances 0.000 claims abstract description 21
- 239000000956 alloy Substances 0.000 claims description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 19
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 8
- 238000005097 cold rolling Methods 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 7
- 238000002074 melt spinning Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 claims description 2
- 230000005415 magnetization Effects 0.000 abstract description 16
- 230000000052 comparative effect Effects 0.000 description 25
- 239000013078 crystal Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910017488 Cu K Inorganic materials 0.000 description 1
- 229910017541 Cu-K Inorganic materials 0.000 description 1
- 230000005260 alpha ray Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Classifications
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- 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
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
- H01F1/0593—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2 of tetragonal ThMn12-structure
-
- 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
- C22C1/02—Making non-ferrous alloys by melting
-
- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
도 2는 본 발명의 실시예 1, 실시예 2 및 비교예에 따른 자성체의 295K에서의 자기 이력 곡선을 나타낸 그래프이다.
도 3은 본 발명의 실시예 1, 실시예 2 및 비교예에 따른 자성체의 포화자화도 및 잔류자화도를 나타낸 그래프이다.
도 4는 본 발명의 실시예 1, 실시예 2 및 비교예에 따른 자성체의 보자력을 나타낸 그래프이다.
도 5는 본 발명의 실시예 1, 실시예 2 및 비교예에 따른 자성체의 최대 에너지적을 나타낸 그래프이다.
원소명 | 순도(%) | 입자 크기(mm) |
Sm | 99.9 | 1~6 |
La | 99.9 | 1~3 |
Zr | 99.5 | 1~4 |
Fe | 99.99 | 5~15 |
Co | 99.95 | 3 |
Ti | 99.9 | 10 |
Sm(g) | La(g) | Zr(g) | Fe(g) | Co(g) | Ti(g) | Total(g) | |
실시예 1 | 2.4375 | 0.1656 | 0.1087 | 5.8579 | 1.5455 | 0.5706 | 10.6858 |
실시예 2 | 1.8281 | 0.4967 | 0.1087 | 5.8579 | 1.5455 | 0.5706 | 10.4076 |
실시예 3 | 1.5234 | 0.6623 | 0.1087 | 5.8579 | 1.5455 | 0.5706 | 10.2685 |
비교예 1 | 3.0469 | - | - | 5.8579 | 1.5455 | 0.5706 | 11.0209 |
비교예 2 | 1.2188 | 0.8279 | 0.1087 | 5.8579 | 1.5455 | 0.5706 | 10.1294 |
비교예 3 | 0.6094 | 1.1591 | 0.1087 | 5.8579 | 1.5455 | 0.5706 | 9.8511 |
포화자화도 Ms(emu/g) |
잔류자화도 Mr(emu/g) |
보자력 Hci(Oe) |
최대 에너지적 (BH)max(MGOe) |
|
실시예 1 | 106.01 | 48.39 | 1944 | 1.77 |
실시예 2 | 99.21 | 62.2 | 3538.7 | 4.65 |
실시예 3 | 114.25 | 36.66 | 1932.4 | 1.00 |
비교예 1 | 115.73 | 22.5 | 803.73 | 0.33 |
비교예 2 | 116.15 | 24.4 | 1051.5 | 0.40 |
비교예 3 | 143.81 | 8.46 | 162.6 | 0.03 |
Claims (8)
- 하기 식 1의 조성을 갖는 ThMn12형 자성체:
[식 1]
(Sm1-xLaxZr0.1)a(Fe(1-y)Coy)bTic
식 중
0.1 ≤ x ≤ 0.4, y = 0.2, 0.5 ≤ a ≤ 1.5, 5.0 ≤ b ≤ 18, 0.5 ≤ c ≤ 1.5이다.
- 제1항에 있어서,
x가 0.3인 ThMn12형 자성체.
- 제1항에 있어서,
식 (Sm0.6La0.3Zr0.1)(Fe0.8Co0.2)11Ti인 ThMn12형 자성체.
- 원료 분말을 혼합한 다음 용융하여 용융물을 제조하는 단계;
상기 용융물을 용융 스피닝하여 합금 리본을 얻는 단계;
상기 합금 리본을 냉간 압연한 다음 열처리하는 단계; 및
상기 열처리된 결과물을 수냉하는 단계를 포함하는 제1항 내지 제3항 중 어느 한 항에 따른 ThMn12형 자성체의 제조방법.
- 제4항에 있어서,
상기 용융하여 용융물을 제조하는 단계는 플라즈마 아크 용융법으로 수행되는 ThMn12형 자성체의 제조방법.
- 제4항에 있어서,
상기 용융하여 용융물을 제조하는 단계는 2200K 내지 2300K의 온도에서 불활성 분위기 수행되는 ThMn12형 자성체의 제조방법.
- 제4항에 있어서,
상기 냉간 압연하는 단계는 720MPa 내지 760MPa의 하중에서 진행하는 ThMn12형 자성체의 제조방법.
- 제4항에 있어서,
상기 열처리하는 단계는 1000K 내지 1200K의 온도에서 수행되는 ThMn12형 자성체의 제조방법.
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KR20210072499A (ko) | 2019-12-09 | 2021-06-17 | 한국재료연구원 | ThMn12형 벌크 자성체 제조 방법 및 그로부터 제조된 ThMn12형 벌크 자성체 |
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KR20240030497A (ko) * | 2022-08-31 | 2024-03-07 | 한국재료연구원 | Fe계 영구자석의 제조방법 및 이로부터 제조된 Fe계 영구자석 |
Citations (2)
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KR101585483B1 (ko) * | 2015-04-29 | 2016-01-15 | 엘지전자 주식회사 | 열적 안정성이 향상된 MnBi계 소결자석 및 이들의 제조 방법 |
JP2017057471A (ja) * | 2015-09-17 | 2017-03-23 | トヨタ自動車株式会社 | 磁性化合物及びその製造方法 |
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US6979409B2 (en) * | 2003-02-06 | 2005-12-27 | Magnequench, Inc. | Highly quenchable Fe-based rare earth materials for ferrite replacement |
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KR101585483B1 (ko) * | 2015-04-29 | 2016-01-15 | 엘지전자 주식회사 | 열적 안정성이 향상된 MnBi계 소결자석 및 이들의 제조 방법 |
JP2017057471A (ja) * | 2015-09-17 | 2017-03-23 | トヨタ自動車株式会社 | 磁性化合物及びその製造方法 |
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KR20210072499A (ko) | 2019-12-09 | 2021-06-17 | 한국재료연구원 | ThMn12형 벌크 자성체 제조 방법 및 그로부터 제조된 ThMn12형 벌크 자성체 |
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