CN107419231B - 钕铁硼永磁防腐绝缘镀层的制备方法及具有该镀层的钕铁硼永磁体 - Google Patents
钕铁硼永磁防腐绝缘镀层的制备方法及具有该镀层的钕铁硼永磁体 Download PDFInfo
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- CN107419231B CN107419231B CN201710616213.0A CN201710616213A CN107419231B CN 107419231 B CN107419231 B CN 107419231B CN 201710616213 A CN201710616213 A CN 201710616213A CN 107419231 B CN107419231 B CN 107419231B
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- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 165
- 239000011248 coating agent Substances 0.000 title claims abstract description 70
- 238000000576 coating method Methods 0.000 title claims abstract description 70
- 238000005260 corrosion Methods 0.000 title claims abstract description 52
- 238000009413 insulation Methods 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 40
- 230000004913 activation Effects 0.000 claims abstract description 59
- 239000011241 protective layer Substances 0.000 claims abstract description 59
- 238000001771 vacuum deposition Methods 0.000 claims abstract description 50
- 239000011230 binding agent Substances 0.000 claims abstract description 36
- 238000000151 deposition Methods 0.000 claims abstract description 34
- 238000004544 sputter deposition Methods 0.000 claims abstract description 34
- 230000007704 transition Effects 0.000 claims abstract description 33
- 238000001035 drying Methods 0.000 claims abstract description 25
- 239000011265 semifinished product Substances 0.000 claims abstract description 23
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 6
- 231100000719 pollutant Toxicity 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 61
- 238000004140 cleaning Methods 0.000 claims description 56
- 150000002500 ions Chemical class 0.000 claims description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 28
- 239000010410 layer Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 22
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 21
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 239000008367 deionised water Substances 0.000 claims description 13
- 229910021641 deionized water Inorganic materials 0.000 claims description 13
- 229910052718 tin Inorganic materials 0.000 claims description 12
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 11
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000292 calcium oxide Substances 0.000 claims description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 10
- 229910020994 Sn-Zn Inorganic materials 0.000 claims description 9
- 229910009069 Sn—Zn Inorganic materials 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 229910052593 corundum Inorganic materials 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- 229910002796 Si–Al Inorganic materials 0.000 claims description 8
- 229910007570 Zn-Al Inorganic materials 0.000 claims description 8
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 238000002203 pretreatment Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 20
- 230000004907 flux Effects 0.000 abstract description 19
- 150000003839 salts Chemical class 0.000 description 33
- 239000007921 spray Substances 0.000 description 32
- 230000000052 comparative effect Effects 0.000 description 26
- 238000012360 testing method Methods 0.000 description 24
- 238000000034 method Methods 0.000 description 20
- 230000008021 deposition Effects 0.000 description 19
- 230000007797 corrosion Effects 0.000 description 18
- 238000007747 plating Methods 0.000 description 13
- 239000011135 tin Substances 0.000 description 9
- 239000011701 zinc Substances 0.000 description 8
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910017083 AlN Inorganic materials 0.000 description 3
- 238000001962 electrophoresis Methods 0.000 description 3
- 229920006334 epoxy coating Polymers 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910000570 Cupronickel Inorganic materials 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910019912 CrN Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- PXAWCNYZAWMWIC-UHFFFAOYSA-N [Fe].[Nd] Chemical compound [Fe].[Nd] PXAWCNYZAWMWIC-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- OPXJEFFTWKGCMW-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Ni].[Cu] OPXJEFFTWKGCMW-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
- C23C14/352—Sputtering by application of a magnetic field, e.g. magnetron sputtering using more than one target
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—Nitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/18—Metallic material, boron or silicon on other inorganic substrates
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
温度(℃) | 饱和冲磁后磁通量(Wb) | |
实施例8 | 40 | 47.64 |
实施例15 | 100 | 47.61 |
对比例13 | 150 | 47.27 |
对比例14 | 200 | 46.92 |
空白对照 | - | 47.62 |
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710616213.0A CN107419231B (zh) | 2017-07-26 | 2017-07-26 | 钕铁硼永磁防腐绝缘镀层的制备方法及具有该镀层的钕铁硼永磁体 |
Applications Claiming Priority (1)
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CN201710616213.0A CN107419231B (zh) | 2017-07-26 | 2017-07-26 | 钕铁硼永磁防腐绝缘镀层的制备方法及具有该镀层的钕铁硼永磁体 |
Publications (2)
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CN107419231A CN107419231A (zh) | 2017-12-01 |
CN107419231B true CN107419231B (zh) | 2019-11-15 |
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CN201710616213.0A Active CN107419231B (zh) | 2017-07-26 | 2017-07-26 | 钕铁硼永磁防腐绝缘镀层的制备方法及具有该镀层的钕铁硼永磁体 |
Country Status (1)
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CN (1) | CN107419231B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107675134A (zh) * | 2017-09-26 | 2018-02-09 | 湖北汽车工业学院 | 一种烧结钕铁硼永磁体表面氮化物复合镀层及制备方法 |
CN109554677A (zh) * | 2018-12-26 | 2019-04-02 | 湖北永磁磁材科技有限公司 | 一种烧结钕铁硼永磁体表面锌锡合金镀层及其制备方法 |
CN110129733B (zh) * | 2019-06-19 | 2020-11-10 | 东北大学 | 一种具有复合膜层的烧结钕铁硼磁体及其制备方法 |
CN114928187A (zh) * | 2019-12-24 | 2022-08-19 | 深之蓝海洋科技股份有限公司 | 水下电机的永磁体转子结构、水下电机和水下设备 |
CN116497325A (zh) * | 2023-03-29 | 2023-07-28 | 广东省科学院资源利用与稀土开发研究所 | 一种磁压榨用钕铁硼磁体表面防护改性的方法 |
Citations (8)
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JPH07283017A (ja) * | 1994-04-11 | 1995-10-27 | Sumitomo Special Metals Co Ltd | 耐食性永久磁石及びその製造方法 |
JPH09148112A (ja) * | 1995-09-21 | 1997-06-06 | Sumitomo Special Metals Co Ltd | 耐食性永久磁石及びその製造方法 |
CN1272212A (zh) * | 1998-04-16 | 2000-11-01 | 住友特殊金属株式会社 | 耐腐蚀性永磁体及其制造方法 |
CN101444983A (zh) * | 2007-11-27 | 2009-06-03 | 比亚迪股份有限公司 | 一种镀膜材料及其制备方法 |
CN104018133A (zh) * | 2014-06-04 | 2014-09-03 | 北京汇磁粉体材料有限公司 | 烧结钕铁硼磁体表面多弧离子镀制备多层复合防护涂层及工艺 |
CN105420669A (zh) * | 2015-11-29 | 2016-03-23 | 中国人民解放军装甲兵工程学院 | 一种用于永磁体防腐前处理的气相沉积方法 |
CN105671503A (zh) * | 2016-01-27 | 2016-06-15 | 合肥工业大学 | 一种烧结NdFeB磁体表面高耐蚀复合涂层的制备方法 |
CN106710767A (zh) * | 2016-12-09 | 2017-05-24 | 宁波大榭开发区银鑫磁业有限公司 | 一种耐腐蚀多镀层钕铁硼及制备工艺 |
-
2017
- 2017-07-26 CN CN201710616213.0A patent/CN107419231B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07283017A (ja) * | 1994-04-11 | 1995-10-27 | Sumitomo Special Metals Co Ltd | 耐食性永久磁石及びその製造方法 |
JPH09148112A (ja) * | 1995-09-21 | 1997-06-06 | Sumitomo Special Metals Co Ltd | 耐食性永久磁石及びその製造方法 |
CN1272212A (zh) * | 1998-04-16 | 2000-11-01 | 住友特殊金属株式会社 | 耐腐蚀性永磁体及其制造方法 |
CN101444983A (zh) * | 2007-11-27 | 2009-06-03 | 比亚迪股份有限公司 | 一种镀膜材料及其制备方法 |
CN104018133A (zh) * | 2014-06-04 | 2014-09-03 | 北京汇磁粉体材料有限公司 | 烧结钕铁硼磁体表面多弧离子镀制备多层复合防护涂层及工艺 |
CN105420669A (zh) * | 2015-11-29 | 2016-03-23 | 中国人民解放军装甲兵工程学院 | 一种用于永磁体防腐前处理的气相沉积方法 |
CN105671503A (zh) * | 2016-01-27 | 2016-06-15 | 合肥工业大学 | 一种烧结NdFeB磁体表面高耐蚀复合涂层的制备方法 |
CN106710767A (zh) * | 2016-12-09 | 2017-05-24 | 宁波大榭开发区银鑫磁业有限公司 | 一种耐腐蚀多镀层钕铁硼及制备工艺 |
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