CN106935390A - 一种稀土烧结磁铁的表面处理方法 - Google Patents
一种稀土烧结磁铁的表面处理方法 Download PDFInfo
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- CN106935390A CN106935390A CN201511025722.3A CN201511025722A CN106935390A CN 106935390 A CN106935390 A CN 106935390A CN 201511025722 A CN201511025722 A CN 201511025722A CN 106935390 A CN106935390 A CN 106935390A
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- China
- Prior art keywords
- rare
- sintered magnet
- earth sintered
- workpiece
- magnet
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- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 49
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 43
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 39
- 238000004381 surface treatment Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 13
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 11
- 238000002203 pretreatment Methods 0.000 claims abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- NLQFUUYNQFMIJW-UHFFFAOYSA-N dysprosium(III) oxide Inorganic materials O=[Dy]O[Dy]=O NLQFUUYNQFMIJW-UHFFFAOYSA-N 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 229910052593 corundum Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- 230000003078 antioxidant effect Effects 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 4
- 238000002161 passivation Methods 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 238000004017 vitrification Methods 0.000 claims description 3
- 235000019359 magnesium stearate Nutrition 0.000 claims description 2
- 229910052723 transition metal Inorganic materials 0.000 claims description 2
- 150000003624 transition metals Chemical class 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 19
- 229910001172 neodymium magnet Inorganic materials 0.000 description 12
- 238000012545 processing Methods 0.000 description 9
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052692 Dysprosium Inorganic materials 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 229910052771 Terbium Inorganic materials 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000010926 purge Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000005488 sandblasting Methods 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910016468 DyF3 Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
- C09D191/06—Waxes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
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CN201511025722.3A CN106935390B (zh) | 2015-12-31 | 2015-12-31 | 一种稀土烧结磁铁的表面处理方法 |
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CN201511025722.3A CN106935390B (zh) | 2015-12-31 | 2015-12-31 | 一种稀土烧结磁铁的表面处理方法 |
Publications (2)
Publication Number | Publication Date |
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CN106935390A true CN106935390A (zh) | 2017-07-07 |
CN106935390B CN106935390B (zh) | 2020-03-27 |
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CN201511025722.3A Active CN106935390B (zh) | 2015-12-31 | 2015-12-31 | 一种稀土烧结磁铁的表面处理方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108320902A (zh) * | 2018-01-19 | 2018-07-24 | 浙江鑫盛永磁科技有限公司 | 一种高综合磁性能烧结钕铁硼磁体及其制备方法 |
CN110556244A (zh) * | 2019-08-27 | 2019-12-10 | 安徽省瀚海新材料股份有限公司 | 一种利用扩散法制备高矫顽力钕铁硼磁体的工艺 |
Citations (10)
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CN103354167A (zh) * | 2008-01-11 | 2013-10-16 | 因太金属株式会社 | NdFeB烧结磁体的制造方法 |
CN103774036A (zh) * | 2014-01-13 | 2014-05-07 | 宁波金科磁业有限公司 | 纳米扩散-还原法制备钕铁硼的方法 |
CN103794354A (zh) * | 2014-02-25 | 2014-05-14 | 刘洋 | 一种钕铁硼烧结磁铁的制备方法 |
CN103878377A (zh) * | 2014-03-31 | 2014-06-25 | 厦门钨业股份有限公司 | 稀土磁铁用合金粉末、以及稀土磁铁的制造方法 |
CN103890880A (zh) * | 2011-10-27 | 2014-06-25 | 因太金属株式会社 | NdFeB 系烧结磁体的制造方法 |
CN103903825A (zh) * | 2012-12-28 | 2014-07-02 | 比亚迪股份有限公司 | 一种钕铁硼永磁材料的制备方法 |
CN103996525A (zh) * | 2014-05-27 | 2014-08-20 | 安徽大地熊新材料股份有限公司 | 一种防腐耐磨烧结钕铁硼磁体的制备方法 |
CN104134528A (zh) * | 2014-07-04 | 2014-11-05 | 宁波韵升股份有限公司 | 一种提高烧结钕铁硼薄片磁体磁性能的方法 |
CN104392818A (zh) * | 2014-12-09 | 2015-03-04 | 湖南航天磁电有限责任公司 | 一种提高烧结钕铁硼永磁材料磁性能的方法 |
CN104952581A (zh) * | 2015-07-16 | 2015-09-30 | 浙江中杭新材料股份有限公司 | 一种钕铁硼磁材料的制备方法 |
-
2015
- 2015-12-31 CN CN201511025722.3A patent/CN106935390B/zh active Active
Patent Citations (10)
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CN103354167A (zh) * | 2008-01-11 | 2013-10-16 | 因太金属株式会社 | NdFeB烧结磁体的制造方法 |
CN103890880A (zh) * | 2011-10-27 | 2014-06-25 | 因太金属株式会社 | NdFeB 系烧结磁体的制造方法 |
CN103903825A (zh) * | 2012-12-28 | 2014-07-02 | 比亚迪股份有限公司 | 一种钕铁硼永磁材料的制备方法 |
CN103774036A (zh) * | 2014-01-13 | 2014-05-07 | 宁波金科磁业有限公司 | 纳米扩散-还原法制备钕铁硼的方法 |
CN103794354A (zh) * | 2014-02-25 | 2014-05-14 | 刘洋 | 一种钕铁硼烧结磁铁的制备方法 |
CN103878377A (zh) * | 2014-03-31 | 2014-06-25 | 厦门钨业股份有限公司 | 稀土磁铁用合金粉末、以及稀土磁铁的制造方法 |
CN103996525A (zh) * | 2014-05-27 | 2014-08-20 | 安徽大地熊新材料股份有限公司 | 一种防腐耐磨烧结钕铁硼磁体的制备方法 |
CN104134528A (zh) * | 2014-07-04 | 2014-11-05 | 宁波韵升股份有限公司 | 一种提高烧结钕铁硼薄片磁体磁性能的方法 |
CN104392818A (zh) * | 2014-12-09 | 2015-03-04 | 湖南航天磁电有限责任公司 | 一种提高烧结钕铁硼永磁材料磁性能的方法 |
CN104952581A (zh) * | 2015-07-16 | 2015-09-30 | 浙江中杭新材料股份有限公司 | 一种钕铁硼磁材料的制备方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108320902A (zh) * | 2018-01-19 | 2018-07-24 | 浙江鑫盛永磁科技有限公司 | 一种高综合磁性能烧结钕铁硼磁体及其制备方法 |
CN110556244A (zh) * | 2019-08-27 | 2019-12-10 | 安徽省瀚海新材料股份有限公司 | 一种利用扩散法制备高矫顽力钕铁硼磁体的工艺 |
CN110556244B (zh) * | 2019-08-27 | 2021-07-06 | 安徽省瀚海新材料股份有限公司 | 一种利用扩散法制备高矫顽力钕铁硼磁体的工艺 |
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