CN1193384C - 具有耐蚀膜的稀土金属基永磁体及其制备方法 - Google Patents
具有耐蚀膜的稀土金属基永磁体及其制备方法 Download PDFInfo
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- CN1193384C CN1193384C CNB011245654A CN01124565A CN1193384C CN 1193384 C CN1193384 C CN 1193384C CN B011245654 A CNB011245654 A CN B011245654A CN 01124565 A CN01124565 A CN 01124565A CN 1193384 C CN1193384 C CN 1193384C
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- permanent magnet
- treatment solution
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- salt
- acid
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- Expired - Lifetime
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 44
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 56
- 239000000126 substance Substances 0.000 claims abstract description 53
- 150000002500 ions Chemical class 0.000 claims abstract description 35
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 24
- 239000011733 molybdenum Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 22
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000470 constituent Substances 0.000 claims abstract description 15
- -1 of molybdenum Chemical class 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 60
- 150000003839 salts Chemical class 0.000 claims description 44
- 229910052742 iron Inorganic materials 0.000 claims description 28
- 238000002360 preparation method Methods 0.000 claims description 16
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 229910052749 magnesium Inorganic materials 0.000 claims description 15
- 239000011777 magnesium Substances 0.000 claims description 15
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 15
- 229910052721 tungsten Inorganic materials 0.000 claims description 15
- 229910052720 vanadium Inorganic materials 0.000 claims description 15
- 229910052726 zirconium Inorganic materials 0.000 claims description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 14
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 14
- 239000007800 oxidant agent Substances 0.000 claims description 14
- 230000001590 oxidative effect Effects 0.000 claims description 14
- 239000010937 tungsten Substances 0.000 claims description 14
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims description 10
- 239000011574 phosphorus Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical group O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
- WQEVDHBJGNOKKO-UHFFFAOYSA-K vanadic acid Chemical compound O[V](O)(O)=O WQEVDHBJGNOKKO-UHFFFAOYSA-K 0.000 claims description 7
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 claims description 5
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 claims description 5
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 abstract description 49
- 230000007797 corrosion Effects 0.000 abstract description 44
- 239000002131 composite material Substances 0.000 abstract description 8
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 8
- 150000004706 metal oxides Chemical class 0.000 abstract description 8
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 abstract description 5
- 230000033116 oxidation-reduction process Effects 0.000 abstract description 3
- 239000010408 film Substances 0.000 abstract 2
- 150000001455 metallic ions Chemical class 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 85
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 16
- 229910019142 PO4 Inorganic materials 0.000 description 12
- 239000010452 phosphate Substances 0.000 description 12
- 238000012360 testing method Methods 0.000 description 11
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 8
- 235000019341 magnesium sulphate Nutrition 0.000 description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 238000005554 pickling Methods 0.000 description 5
- 239000011684 sodium molybdate Substances 0.000 description 5
- 235000015393 sodium molybdate Nutrition 0.000 description 5
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 description 5
- 239000004317 sodium nitrate Substances 0.000 description 5
- 235000010344 sodium nitrate Nutrition 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- AHKZTVQIVOEVFO-UHFFFAOYSA-N oxide(2-) Chemical group [O-2] AHKZTVQIVOEVFO-UHFFFAOYSA-N 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000007522 mineralic acids Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 3
- ODIGIKRIUKFKHP-UHFFFAOYSA-N (n-propan-2-yloxycarbonylanilino) acetate Chemical compound CC(C)OC(=O)N(OC(C)=O)C1=CC=CC=C1 ODIGIKRIUKFKHP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 238000003618 dip coating Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 229910001425 magnesium ion Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- DJOYTAUERRJRAT-UHFFFAOYSA-N 2-(n-methyl-4-nitroanilino)acetonitrile Chemical compound N#CCN(C)C1=CC=C([N+]([O-])=O)C=C1 DJOYTAUERRJRAT-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- SGGPVBOWEPPPEH-UHFFFAOYSA-N [K].[Zr] Chemical compound [K].[Zr] SGGPVBOWEPPPEH-UHFFFAOYSA-N 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 1
- 239000011609 ammonium molybdate Substances 0.000 description 1
- 235000018660 ammonium molybdate Nutrition 0.000 description 1
- 229940010552 ammonium molybdate Drugs 0.000 description 1
- YVBOZGOAVJZITM-UHFFFAOYSA-P ammonium phosphomolybdate Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[O-]P([O-])=O.[O-][Mo]([O-])(=O)=O YVBOZGOAVJZITM-UHFFFAOYSA-P 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 1
- BIOOACNPATUQFW-UHFFFAOYSA-N calcium;dioxido(dioxo)molybdenum Chemical compound [Ca+2].[O-][Mo]([O-])(=O)=O BIOOACNPATUQFW-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- AAQNGTNRWPXMPB-UHFFFAOYSA-N dipotassium;dioxido(dioxo)tungsten Chemical compound [K+].[K+].[O-][W]([O-])(=O)=O AAQNGTNRWPXMPB-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- NMHMDUCCVHOJQI-UHFFFAOYSA-N lithium molybdate Chemical compound [Li+].[Li+].[O-][Mo]([O-])(=O)=O NMHMDUCCVHOJQI-UHFFFAOYSA-N 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- MODMKKOKHKJFHJ-UHFFFAOYSA-N magnesium;dioxido(dioxo)molybdenum Chemical compound [Mg+2].[O-][Mo]([O-])(=O)=O MODMKKOKHKJFHJ-UHFFFAOYSA-N 0.000 description 1
- DJZHPOJZOWHJPP-UHFFFAOYSA-N magnesium;dioxido(dioxo)tungsten Chemical compound [Mg+2].[O-][W]([O-])(=O)=O DJZHPOJZOWHJPP-UHFFFAOYSA-N 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- BQFYGYJPBUKISI-UHFFFAOYSA-N potassium;oxido(dioxo)vanadium Chemical compound [K+].[O-][V](=O)=O BQFYGYJPBUKISI-UHFFFAOYSA-N 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- CMZUMMUJMWNLFH-UHFFFAOYSA-N sodium metavanadate Chemical compound [Na+].[O-][V](=O)=O CMZUMMUJMWNLFH-UHFFFAOYSA-N 0.000 description 1
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 229960005137 succinic acid Drugs 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910000166 zirconium phosphate 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Treatment Of Metals (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
钼酸钠 | 磷酸 | 氧化剂 | pH控制剂 | pH | |
对比例1-1 | 0.1M | 无 | 无 | 无 | 6.5 |
对比例1-2 | ″ | ″ | ″ | 柠檬酸 | 3.2 |
对比例1-3 | ″ | ″ | 0.1M硝酸钠 | ″ | ″ |
实施例1-4 | ″ | 0.18M1) | 无 | 无 | ″ |
实施例1-5 | ″ | ″ | 0.1M亚硝酸钠 | ″ | ″ |
实施例1-6 | ″ | ″ | 0.1M硝酸钠 | ″ | ″ |
耐蚀性测试结果(小时) | |
对比例1-1 | 10 |
对比例1-2 | 15 |
对比例1-3 | 15 |
实施例1-4 | 75 |
实施例1-5 | 75 |
实施例1-6 | 75 |
钼酸钠 | 磷酸三钠 | 氧化剂 | pH2) | |
实施例2-1 | 0.1M | 0.02M1) | 0.1M硝酸钠 | 1.8 |
实施例2-2 | ″ | ″ | ″ | 2.5 |
实施例2-3 | ″ | ″ | ″ | 3.0 |
实施例2-4 | ″ | ″ | ″ | 3.5 |
实施例2-5 | ″ | ″ | ″ | 4.0 |
耐蚀性测试结果(小时) | |
实施例2-1 | 30 |
实施例2-2 | 80 |
实施例2-3 | 80 |
实施例2-4 | 80 |
实施例2-5 | 40 |
耐蚀性测试结果(小时) | |
实施例3-1 | 30 |
实施例3-2 | 120 |
实施例3-3 | 120 |
实施例3-4 | 120 |
实施例3-5 | 40 |
钼酸钠 | 磷酸三钠 | 氧化剂 | 添加剂 | pH2) | |
实施例4-1 | 0.1M | 0.02M1) | 0.1硝酸钠 | 无 | 3.0 |
实施例4-2 | ″ | ″ | ″ | 0.05M硝酸镁 | ″ |
实施例4-3 | ″ | ″ | ″ | 0.1M硫酸镁 | ″ |
实施例4-4 | ″ | ″ | ″ | 0.3M硫酸镁 | ″ |
实施例4-5 | ″ | ″ | ″ | 0.5M硫酸镁 | ″ |
实施例4-6 | ″ | ″ | ″ | 1.0M硫酸镁 | ″ |
实施例4-7 | ″ | ″ | ″ | 0.3M硫酸镁 | 1.8 |
实施例4-8 | ″ | ″ | ″ | ″ | 2.5 |
实施例4-9 | ″ | ″ | ″ | ″ | 3.5 |
实施例4-10 | ″ | ″ | ″ | ″ | 4.0 |
耐蚀性测试结果(小时) | |
实施例4-1 | 80 |
实施例4-2 | 100 |
实施例4-3 | 100 |
实施例4-4 | 200 |
实施例4-5 | 200 |
实施例4-6 | 200 |
实施例4-7 | 30 |
实施例4-8 | 200 |
实施例4-9 | 200 |
实施例4-10 | 40 |
钼酸钠 | 磷酸三钠 | 氧化剂 | 添加剂1 | 添加剂2 | pH2) | |
实施例5-1 | 0.1M | 0.02M1) | 0.1M硝酸钠 | 无 | 无 | 3.0 |
实施例5-2 | ″ | ″ | ″ | 0.3M硫酸镁 | ″ | ″ |
实施例5-3 | ″ | ″ | ″ | ″ | 0.001M硝酸铁 | ″ |
耐蚀性测试结果(小时) | |
实施例5-1 | 120 |
实施例5-2 | 200 |
实施例5-3 | 230 |
Claims (10)
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JP2000245410 | 2000-08-11 | ||
JP245410/2000 | 2000-08-11 | ||
JP2000315776 | 2000-10-16 | ||
JP315776/2000 | 2000-10-16 |
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CN1193384C true CN1193384C (zh) | 2005-03-16 |
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CNB011245654A Expired - Lifetime CN1193384C (zh) | 2000-08-11 | 2001-08-10 | 具有耐蚀膜的稀土金属基永磁体及其制备方法 |
Country Status (4)
Country | Link |
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US (2) | US6884513B2 (zh) |
EP (1) | EP1180771B1 (zh) |
CN (1) | CN1193384C (zh) |
DE (1) | DE60106695T2 (zh) |
Families Citing this family (20)
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KR100746897B1 (ko) * | 2001-12-28 | 2007-08-07 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 희토류 소결 자석 및 희토류 소결 자석의 제조 방법 |
CN1655294B (zh) * | 2004-02-10 | 2010-04-28 | Tdk株式会社 | 稀土类烧结磁体与稀土类烧结磁体的制造方法 |
WO2005093766A1 (ja) * | 2004-03-26 | 2005-10-06 | Tdk Corporation | 希土類磁石、その製造方法、及び多層体の製造方法 |
US20080050581A1 (en) * | 2004-03-31 | 2008-02-28 | Tdk Corporation | Rare Earth Magnet and Method for Manufacturing Same |
JP3784400B1 (ja) * | 2005-05-27 | 2006-06-07 | 日本パーカライジング株式会社 | 金属用化成処理液および処理方法 |
GB2430682A (en) * | 2005-09-30 | 2007-04-04 | Univ Loughborough | Insulated magnetic particulate material |
CN100357490C (zh) * | 2005-10-19 | 2007-12-26 | 哈尔滨工业大学 | 提高轻金属及其复合材料表面耐蚀性的稀土转化膜方法 |
US7504754B2 (en) * | 2005-10-31 | 2009-03-17 | Caterpillar Inc. | Rotor having multiple permanent-magnet pieces in a cavity |
US7436096B2 (en) * | 2005-10-31 | 2008-10-14 | Caterpillar Inc. | Rotor having permanent magnets and axialy-extending channels |
US7436095B2 (en) * | 2005-10-31 | 2008-10-14 | Caterpillar Inc. | Rotary electric machine |
US20100261038A1 (en) * | 2007-11-02 | 2010-10-14 | Nobuyoshi Imaoka | Composite magnetic material for magnet and method for manufacturing such material |
US7781932B2 (en) | 2007-12-31 | 2010-08-24 | General Electric Company | Permanent magnet assembly and method of manufacturing same |
CN102084438B (zh) | 2008-07-04 | 2012-11-21 | 日立金属株式会社 | 耐腐蚀性磁铁及其制造方法 |
JP5573848B2 (ja) * | 2009-12-28 | 2014-08-20 | 日立金属株式会社 | 耐食性磁石およびその製造方法 |
CN102114536B (zh) * | 2010-01-05 | 2015-05-20 | 北京中科三环高技术股份有限公司 | 提高渗镀氟化物的稀土永磁材料表面的耐蚀性的方法 |
JP5013031B2 (ja) | 2010-09-30 | 2012-08-29 | 日立金属株式会社 | 電気銅めっき被膜を希土類系永久磁石の表面に形成する方法 |
US10011754B2 (en) * | 2013-01-23 | 2018-07-03 | Basf Se | Method of improving nitrate salt compositions by means of nitric acid for use as heat transfer medium or heat storage medium |
CN103093921B (zh) | 2013-01-29 | 2016-08-24 | 烟台首钢磁性材料股份有限公司 | 一种r-t-b-m-c系烧结磁铁及其制造方法及专用装置 |
CN104480475A (zh) | 2014-11-04 | 2015-04-01 | 烟台首钢磁性材料股份有限公司 | 钕铁硼磁体表面硬质铝膜层的制备方法 |
AU2017258559B2 (en) * | 2016-04-28 | 2021-01-07 | Basf Se | Use of a nitrate salt composition as a heat transfer or heat storage medium for first operation of an apparatus containing these media |
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JP3176597B2 (ja) * | 1998-09-10 | 2001-06-18 | 住友特殊金属株式会社 | 耐食性永久磁石およびその製造方法 |
JP2001076914A (ja) | 1998-12-17 | 2001-03-23 | Sumitomo Special Metals Co Ltd | 希土類系永久磁石およびその製造方法 |
JP2000199074A (ja) * | 1998-12-28 | 2000-07-18 | Nippon Parkerizing Co Ltd | 希土類・鉄系焼結永久磁石の沈着型表面処理液および表面処理方法、ならびに該表面処理方法により得られた表面を有する希土類・鉄系焼結永久磁石 |
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- 2001-08-09 DE DE2001606695 patent/DE60106695T2/de not_active Expired - Lifetime
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DE60106695D1 (de) | 2004-12-02 |
US20020036029A1 (en) | 2002-03-28 |
US6884513B2 (en) | 2005-04-26 |
EP1180771B1 (en) | 2004-10-27 |
US20030136471A1 (en) | 2003-07-24 |
EP1180771A2 (en) | 2002-02-20 |
CN1338761A (zh) | 2002-03-06 |
DE60106695T2 (de) | 2005-03-31 |
US6878217B2 (en) | 2005-04-12 |
EP1180771A3 (en) | 2003-01-15 |
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