CN109243745B - 一种耐高温耐腐蚀单晶磁粉及其制备方法与应用 - Google Patents
一种耐高温耐腐蚀单晶磁粉及其制备方法与应用 Download PDFInfo
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- CN109243745B CN109243745B CN201811218610.3A CN201811218610A CN109243745B CN 109243745 B CN109243745 B CN 109243745B CN 201811218610 A CN201811218610 A CN 201811218610A CN 109243745 B CN109243745 B CN 109243745B
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- 239000006247 magnetic powder Substances 0.000 title claims abstract description 171
- 230000007797 corrosion Effects 0.000 title claims abstract description 62
- 238000005260 corrosion Methods 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000013078 crystal Substances 0.000 claims abstract description 49
- 239000002994 raw material Substances 0.000 claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 15
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 13
- 238000005246 galvanizing Methods 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 4
- 229910017052 cobalt Chemical group 0.000 claims abstract description 4
- 239000010941 cobalt Chemical group 0.000 claims abstract description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 4
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 4
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 4
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 61
- 229910045601 alloy Inorganic materials 0.000 claims description 59
- 239000000956 alloy Substances 0.000 claims description 59
- 239000000843 powder Substances 0.000 claims description 49
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 44
- 239000002245 particle Substances 0.000 claims description 44
- 239000007789 gas Substances 0.000 claims description 32
- 229910052786 argon Inorganic materials 0.000 claims description 22
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 238000005121 nitriding Methods 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 239000002344 surface layer Substances 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 7
- 239000000470 constituent Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000005984 hydrogenation reaction Methods 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000005244 galvannealing Methods 0.000 claims 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims 1
- 230000003647 oxidation Effects 0.000 abstract description 13
- 238000007254 oxidation reaction Methods 0.000 abstract description 13
- 238000011049 filling Methods 0.000 abstract description 6
- 150000002910 rare earth metals Chemical class 0.000 abstract description 4
- 239000011701 zinc Substances 0.000 description 64
- 230000008020 evaporation Effects 0.000 description 33
- 238000001704 evaporation Methods 0.000 description 33
- 239000010949 copper Substances 0.000 description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 18
- 229910052802 copper Inorganic materials 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 9
- 238000001816 cooling Methods 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 230000006698 induction Effects 0.000 description 9
- 230000005415 magnetization Effects 0.000 description 9
- 239000000155 melt Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 8
- 238000000498 ball milling Methods 0.000 description 8
- 229910052593 corundum Inorganic materials 0.000 description 8
- 239000010431 corundum Substances 0.000 description 8
- 238000004880 explosion Methods 0.000 description 8
- 238000003801 milling Methods 0.000 description 8
- 238000005086 pumping Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 239000010935 stainless steel Substances 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 238000001771 vacuum deposition Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000011068 loading method Methods 0.000 description 6
- 239000012188 paraffin wax Substances 0.000 description 6
- 238000007740 vapor deposition Methods 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229910052772 Samarium Inorganic materials 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- PRQMIVBGRIUJHV-UHFFFAOYSA-N [N].[Fe].[Sm] Chemical compound [N].[Fe].[Sm] PRQMIVBGRIUJHV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 239000000126 substance 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
- H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0552—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer
-
- 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
- H01F41/026—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 protecting methods against environmental influences, e.g. oxygen, by surface treatment
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
Zn粉含量(wt%) | 磁粉粒度(μm) | Br(T) | H<sub>cj</sub>(kOe) | (BH)<sub>max</sub>(MGOe) |
0 | 7.4 | 1.38 | 3.2 | 12.6 |
3.0 | 7.4 | 1.36 | 5.6 | 19.3 |
5.0 | 7.4 | 1.31 | 7.8 | 28.2 |
7.0 | 7.4 | 1.27 | 9.9 | 32.4 |
9.0 | 7.4 | 1.22 | 11.3 | 30.7 |
11.0 | 7.5 | 1.19 | 12.4 | 28.6 |
13.0 | 7.5 | 1.16 | 12.5 | 26.3 |
15.0 | 7.5 | 1.12 | 12.6 | 25.1 |
Zn粉含量(wt%) | 磁粉粒度(μm) | B<sub>r</sub>(T) | H<sub>cj</sub>(kOe) | (BH)<sub>max</sub>(MGOe) |
0 | 6.5 | 1.38 | 4.4 | 14.3 |
3.0 | 6.5 | 1.34 | 7.5 | 29.8 |
5.0 | 6.5 | 1.29 | 9.7 | 32.2 |
7.0 | 6.5 | 1.25 | 11.3 | 30.7 |
9.0 | 6.5 | 1.22 | 13.5 | 29.4 |
11.0 | 6.5 | 1.19 | 14.3 | 28.2 |
13.0 | 6.6 | 1.16 | 15.2 | 27.0 |
15.0 | 6.6 | 1.12 | 16.1 | 25.7 |
Zn粉含量(wt%) | 磁粉粒度(μm) | B<sub>r</sub>(T) | H<sub>cj</sub>(kOe) | (BH)<sub>max</sub>(MGOe) |
0 | 8.5 | 1.12 | 2.8 | 4.6 |
3.0 | 8.5 | 1.28 | 4.5 | 9.1 |
5.0 | 8.5 | 1.35 | 6.7 | 15.2 |
7.0 | 8.5 | 1.32 | 7.6 | 26.7 |
9.0 | 8.5 | 1.27 | 8.8 | 30.4 |
11.0 | 8.5 | 1.22 | 9.5 | 26.2 |
13.0 | 8.5 | 1.16 | 9.7 | 25.2 |
15.0 | 8.5 | 1.12 | 9.8 | 23.7 |
Zn粉含量(wt%) | 磁粉粒度(μm) | B<sub>r</sub>(T) | H<sub>cj</sub>(kOe) | (BH)<sub>max</sub>(MGOe) |
0 | 11.4 | 1.12 | 1.5 | 3.6 |
3.0 | 11.4 | 1.27 | 4.6 | 14.6 |
5.0 | 11.4 | 1.34 | 7.5 | 27.8 |
7.0 | 11.4 | 1.31 | 8.4 | 30.4 |
9.0 | 11.4 | 1.26 | 9.6 | 31.6 |
11.0 | 11.4 | 1.21 | 10.4 | 27.4 |
13.0 | 11.4 | 1.21 | 10.6 | 24.6 |
15.0 | 11.4 | 1.15 | 10.8 | 23.5 |
Claims (14)
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CN201811218610.3A CN109243745B (zh) | 2018-10-19 | 2018-10-19 | 一种耐高温耐腐蚀单晶磁粉及其制备方法与应用 |
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CN201811218610.3A CN109243745B (zh) | 2018-10-19 | 2018-10-19 | 一种耐高温耐腐蚀单晶磁粉及其制备方法与应用 |
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CN109243745A CN109243745A (zh) | 2019-01-18 |
CN109243745B true CN109243745B (zh) | 2020-08-04 |
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CN112951535A (zh) * | 2021-02-05 | 2021-06-11 | 华南理工大学 | 一种单晶磁粉及其制备方法和应用 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102468028A (zh) * | 2010-11-18 | 2012-05-23 | 大同特殊钢株式会社 | Sm-Fe-N类磁铁用薄带的制造方法 |
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JP2000357605A (ja) * | 1999-06-15 | 2000-12-26 | Honda Motor Co Ltd | Sm2Fe17の製造方法 |
JP2002270416A (ja) * | 2001-03-14 | 2002-09-20 | Shin Etsu Chem Co Ltd | バルク状異方性希土類永久磁石及びその製造方法 |
CN100414003C (zh) * | 2004-04-21 | 2008-08-27 | 浙江工业大学 | 钕铁硼磁粉的电化学沉积包覆金属层的方法 |
JP5130270B2 (ja) * | 2009-09-30 | 2013-01-30 | 株式会社日立製作所 | 磁性材料及びそれを用いたモータ |
CN102737801B (zh) * | 2012-07-11 | 2014-09-17 | 北京科技大学 | 一种Sm-Fe-N各向异性磁粉的制备方法 |
CN105355354B (zh) * | 2015-12-15 | 2017-12-08 | 北京科技大学 | 一种钐铁氮基各向异性稀土永磁粉及其制备方法 |
CN105609224B (zh) * | 2016-03-14 | 2018-01-16 | 北京科技大学 | 一种各向异性钐铁氮永磁粉的制备方法 |
CN106384638B (zh) * | 2016-10-28 | 2018-04-03 | 北京科技大学 | 一种高性能各向异性Sm‑Fe‑N永磁体的制备方法 |
JP2020080335A (ja) * | 2017-03-22 | 2020-05-28 | 株式会社東芝 | 永久磁石、回転電機、及び車両 |
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