CN101226800A - Surface treating method for sintering type Nd iron boron permanent magnetic material - Google Patents
Surface treating method for sintering type Nd iron boron permanent magnetic material Download PDFInfo
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- CN101226800A CN101226800A CNA2007100930960A CN200710093096A CN101226800A CN 101226800 A CN101226800 A CN 101226800A CN A2007100930960 A CNA2007100930960 A CN A2007100930960A CN 200710093096 A CN200710093096 A CN 200710093096A CN 101226800 A CN101226800 A CN 101226800A
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- tio
- permanent magnetic
- magnetic material
- pickling
- phosphatization
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000000696 magnetic material Substances 0.000 title claims description 38
- 238000005245 sintering Methods 0.000 title claims description 22
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 title claims description 19
- 239000000463 material Substances 0.000 claims abstract description 64
- 238000007747 plating Methods 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 238000009713 electroplating Methods 0.000 claims description 70
- 150000001875 compounds Chemical class 0.000 claims description 46
- 238000005554 pickling Methods 0.000 claims description 42
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- 229910010413 TiO 2 Inorganic materials 0.000 claims description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 26
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 23
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 22
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- 238000004381 surface treatment Methods 0.000 claims description 20
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 14
- 239000012153 distilled water Substances 0.000 claims description 13
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- 239000012528 membrane Substances 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 12
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- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 8
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- -1 methylene tetramine Chemical compound 0.000 claims description 7
- PQMOXTJVIYEOQL-UHFFFAOYSA-N Cumarin Natural products CC(C)=CCC1=C(O)C(C(=O)C(C)CC)=C(O)C2=C1OC(=O)C=C2CCC PQMOXTJVIYEOQL-UHFFFAOYSA-N 0.000 claims description 6
- FSOGIJPGPZWNGO-UHFFFAOYSA-N Meomammein Natural products CCC(C)C(=O)C1=C(O)C(CC=C(C)C)=C(O)C2=C1OC(=O)C=C2CCC FSOGIJPGPZWNGO-UHFFFAOYSA-N 0.000 claims description 6
- JSPXPZKDILSYNN-UHFFFAOYSA-N but-1-yne-1,4-diol Chemical group OCCC#CO JSPXPZKDILSYNN-UHFFFAOYSA-N 0.000 claims description 6
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004094 surface-active agent Substances 0.000 claims description 5
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 4
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- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims description 4
- 230000003746 surface roughness Effects 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 abstract description 55
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- 230000007797 corrosion Effects 0.000 abstract description 29
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 29
- 238000000576 coating method Methods 0.000 description 29
- 239000000523 sample Substances 0.000 description 24
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- 238000005516 engineering process Methods 0.000 description 15
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- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 5
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- 239000011780 sodium chloride Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
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- 238000006392 deoxygenation reaction Methods 0.000 description 2
- 229910001651 emery Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 238000005470 impregnation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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- 239000012779 reinforcing material Substances 0.000 description 1
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Images
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- Electroplating And Plating Baths Therefor (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Description
Specimen coding | Spontaneous potential E/mV | Corrosion electric current density I/uAcm -2 | Polarization impedance R/Kohmcm 2 | Remarks |
1 | -138.3 | 1.11 | 19.58 | Sample after slug type NdFeB matrix is handled by the present invention |
2 | -541.1 | 7.111 | 3.06 | Slug type NdFeB matrix electroplated Ni layer sample |
3 | -751.2 | 15.826 | 1.37 | Slug type NdFeB matrix phosphatization is handled sample |
4 | -809.7 | 23.38 | 0.93 | Slug type NdFeB matrix |
Claims (10)
Priority Applications (1)
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CN2007100930960A CN101226800B (en) | 2007-12-03 | 2007-12-03 | Surface treating method for sintering type Nd iron boron permanent magnetic material |
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CN2007100930960A CN101226800B (en) | 2007-12-03 | 2007-12-03 | Surface treating method for sintering type Nd iron boron permanent magnetic material |
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CN101226800A true CN101226800A (en) | 2008-07-23 |
CN101226800B CN101226800B (en) | 2010-12-22 |
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CN2007100930960A Expired - Fee Related CN101226800B (en) | 2007-12-03 | 2007-12-03 | Surface treating method for sintering type Nd iron boron permanent magnetic material |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101728042B (en) * | 2008-10-16 | 2012-07-18 | 北京中科三环高技术股份有限公司 | Technique for treating surface of permanent magnet material |
CN102965655A (en) * | 2012-11-23 | 2013-03-13 | 沈阳工业大学 | Method for improving corrosion resistance of phosphate coating on surface of neodymium-iron-boron permanent magnet |
CN105506582A (en) * | 2015-12-29 | 2016-04-20 | 湖南理工学院 | Method for improving corrosion resistance of neodymium iron boron magnet by using atomic layer deposition |
CN107723693A (en) * | 2017-11-03 | 2018-02-23 | 安徽新合富力科技有限公司 | A kind of Nd Fe B alloys method for bonderizing |
CN108083793A (en) * | 2017-12-20 | 2018-05-29 | 宁波市鄞州智伴信息科技有限公司 | The formula and compounding method of a kind of ferrite permanent-magnet materials |
CN109594070A (en) * | 2017-09-30 | 2019-04-09 | 比亚迪股份有限公司 | Neodymium iron boron phosphating solution and preparation method thereof and neodymium iron boron method for bonderizing |
CN110983395A (en) * | 2019-12-17 | 2020-04-10 | 广东小天才科技有限公司 | Magnet, preparation method and wearable device |
CN111073466A (en) * | 2019-12-20 | 2020-04-28 | 浙江中杭新材料科技有限公司 | Preparation method of low-cost high-corrosion-resistance neodymium iron boron |
CN112813474A (en) * | 2020-12-28 | 2021-05-18 | 宁波韵升股份有限公司 | Process for improving surface shearing force of neodymium iron boron magnet |
CN112899684A (en) * | 2020-08-21 | 2021-06-04 | 天津京磁电子元件制造有限公司 | Neodymium iron boron magnet copper nickel electroplating process |
CN115367846A (en) * | 2022-08-16 | 2022-11-22 | 山东科技大学 | Super-strong magnetic inorganic flocculant, preparation method and application thereof |
CN115985612A (en) * | 2022-12-20 | 2023-04-18 | 东莞金坤新材料股份有限公司 | Formula and preparation method of water-erosion-resistant powerful magnet |
CN116230347A (en) * | 2023-03-01 | 2023-06-06 | 东莞金坤新材料股份有限公司 | Formula of flexible neodymium-iron-boron magnetic material and manufacturing method thereof |
-
2007
- 2007-12-03 CN CN2007100930960A patent/CN101226800B/en not_active Expired - Fee Related
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101728042B (en) * | 2008-10-16 | 2012-07-18 | 北京中科三环高技术股份有限公司 | Technique for treating surface of permanent magnet material |
CN102965655A (en) * | 2012-11-23 | 2013-03-13 | 沈阳工业大学 | Method for improving corrosion resistance of phosphate coating on surface of neodymium-iron-boron permanent magnet |
CN102965655B (en) * | 2012-11-23 | 2017-10-31 | 沈阳工业大学 | One kind improves the corrosion proof method of surface of Nd-Fe-B permanent magnet phosphating coat |
CN105506582A (en) * | 2015-12-29 | 2016-04-20 | 湖南理工学院 | Method for improving corrosion resistance of neodymium iron boron magnet by using atomic layer deposition |
CN109594070B (en) * | 2017-09-30 | 2021-02-23 | 比亚迪股份有限公司 | Neodymium iron boron phosphating solution, preparation method thereof and neodymium iron boron phosphating method |
CN109594070A (en) * | 2017-09-30 | 2019-04-09 | 比亚迪股份有限公司 | Neodymium iron boron phosphating solution and preparation method thereof and neodymium iron boron method for bonderizing |
CN107723693A (en) * | 2017-11-03 | 2018-02-23 | 安徽新合富力科技有限公司 | A kind of Nd Fe B alloys method for bonderizing |
CN108083793A (en) * | 2017-12-20 | 2018-05-29 | 宁波市鄞州智伴信息科技有限公司 | The formula and compounding method of a kind of ferrite permanent-magnet materials |
CN110983395A (en) * | 2019-12-17 | 2020-04-10 | 广东小天才科技有限公司 | Magnet, preparation method and wearable device |
CN111073466A (en) * | 2019-12-20 | 2020-04-28 | 浙江中杭新材料科技有限公司 | Preparation method of low-cost high-corrosion-resistance neodymium iron boron |
CN112899684A (en) * | 2020-08-21 | 2021-06-04 | 天津京磁电子元件制造有限公司 | Neodymium iron boron magnet copper nickel electroplating process |
CN112813474A (en) * | 2020-12-28 | 2021-05-18 | 宁波韵升股份有限公司 | Process for improving surface shearing force of neodymium iron boron magnet |
CN112813474B (en) * | 2020-12-28 | 2022-03-08 | 宁波韵升股份有限公司 | Process for improving surface shearing force of neodymium iron boron magnet |
CN115367846A (en) * | 2022-08-16 | 2022-11-22 | 山东科技大学 | Super-strong magnetic inorganic flocculant, preparation method and application thereof |
CN115985612A (en) * | 2022-12-20 | 2023-04-18 | 东莞金坤新材料股份有限公司 | Formula and preparation method of water-erosion-resistant powerful magnet |
CN116230347A (en) * | 2023-03-01 | 2023-06-06 | 东莞金坤新材料股份有限公司 | Formula of flexible neodymium-iron-boron magnetic material and manufacturing method thereof |
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CN101226800B (en) | 2010-12-22 |
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