JP6463458B2 - 方向性電磁鋼板用予備コーティング剤組成物、これを含む方向性電磁鋼板およびその製造方法 - Google Patents
方向性電磁鋼板用予備コーティング剤組成物、これを含む方向性電磁鋼板およびその製造方法 Download PDFInfo
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- JP6463458B2 JP6463458B2 JP2017506793A JP2017506793A JP6463458B2 JP 6463458 B2 JP6463458 B2 JP 6463458B2 JP 2017506793 A JP2017506793 A JP 2017506793A JP 2017506793 A JP2017506793 A JP 2017506793A JP 6463458 B2 JP6463458 B2 JP 6463458B2
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- steel sheet
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- electrical steel
- oriented electrical
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- 229910001224 Grain-oriented electrical steel Inorganic materials 0.000 title claims description 152
- 238000004519 manufacturing process Methods 0.000 title claims description 49
- 239000008199 coating composition Substances 0.000 title claims description 3
- 239000011247 coating layer Substances 0.000 claims description 158
- 239000011248 coating agent Substances 0.000 claims description 89
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 59
- 229910001463 metal phosphate Inorganic materials 0.000 claims description 54
- 238000000137 annealing Methods 0.000 claims description 47
- 239000000203 mixture Substances 0.000 claims description 46
- 229910000831 Steel Inorganic materials 0.000 claims description 41
- 239000010959 steel Substances 0.000 claims description 41
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 40
- 229910052796 boron Inorganic materials 0.000 claims description 40
- 239000002253 acid Substances 0.000 claims description 38
- 238000000576 coating method Methods 0.000 claims description 37
- 239000011777 magnesium Substances 0.000 claims description 36
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 35
- 229910004283 SiO 4 Inorganic materials 0.000 claims description 24
- 239000011259 mixed solution Substances 0.000 claims description 24
- 239000002904 solvent Substances 0.000 claims description 24
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 23
- 239000000377 silicon dioxide Substances 0.000 claims description 23
- 229910052839 forsterite Inorganic materials 0.000 claims description 22
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 20
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 claims description 19
- 239000004137 magnesium phosphate Substances 0.000 claims description 19
- 229910000157 magnesium phosphate Inorganic materials 0.000 claims description 19
- 229960002261 magnesium phosphate Drugs 0.000 claims description 19
- 235000010994 magnesium phosphates Nutrition 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 15
- 238000010583 slow cooling Methods 0.000 claims description 15
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 13
- 239000008119 colloidal silica Substances 0.000 claims description 13
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 12
- 239000004327 boric acid Substances 0.000 claims description 12
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 11
- UYANAUSDHIFLFQ-UHFFFAOYSA-N borinic acid Chemical compound OB UYANAUSDHIFLFQ-UHFFFAOYSA-N 0.000 claims description 11
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 claims description 11
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 11
- 239000000654 additive Substances 0.000 claims description 10
- 238000005554 pickling Methods 0.000 claims description 10
- 230000000996 additive effect Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000007670 refining Methods 0.000 claims description 8
- 239000002612 dispersion medium Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- LIYKJALVRPGQTR-UHFFFAOYSA-M oxostibanylium;chloride Chemical compound [Cl-].[Sb+]=O LIYKJALVRPGQTR-UHFFFAOYSA-M 0.000 claims description 6
- 229910000379 antimony sulfate Inorganic materials 0.000 claims description 5
- MVMLTMBYNXHXFI-UHFFFAOYSA-H antimony(3+);trisulfate Chemical compound [Sb+3].[Sb+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O MVMLTMBYNXHXFI-UHFFFAOYSA-H 0.000 claims description 5
- 238000005121 nitriding Methods 0.000 claims description 5
- 238000005097 cold rolling Methods 0.000 claims description 4
- 238000005261 decarburization Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000005098 hot rolling Methods 0.000 claims description 3
- YCAGGFXSFQFVQL-UHFFFAOYSA-N Endothion Chemical compound COC1=COC(CSP(=O)(OC)OC)=CC1=O YCAGGFXSFQFVQL-UHFFFAOYSA-N 0.000 claims 1
- PDWVXNLUDMQFCH-UHFFFAOYSA-N oxoantimony;hydrochloride Chemical compound Cl.[Sb]=O PDWVXNLUDMQFCH-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 description 43
- 239000010408 film Substances 0.000 description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 32
- 230000008569 process Effects 0.000 description 22
- 239000000463 material Substances 0.000 description 18
- 239000010410 layer Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 13
- 238000001953 recrystallisation Methods 0.000 description 12
- 229910004298 SiO 2 Inorganic materials 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 229960002645 boric acid Drugs 0.000 description 9
- 235000010338 boric acid Nutrition 0.000 description 9
- 239000000460 chlorine Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 230000001976 improved effect Effects 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 8
- 238000009413 insulation Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 230000035882 stress Effects 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229910052787 antimony Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 4
- 229910052683 pyrite Inorganic materials 0.000 description 4
- 239000011028 pyrite Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 230000005381 magnetic domain Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000010354 integration Effects 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
- 235000021317 phosphate Nutrition 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- XDVOLDOITVSJGL-UHFFFAOYSA-N 3,7-dihydroxy-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound O1B(O)OB2OB(O)OB1O2 XDVOLDOITVSJGL-UHFFFAOYSA-N 0.000 description 1
- NFXYEVUEMIKVON-UHFFFAOYSA-N BO.B(O)(O)O Chemical compound BO.B(O)(O)O NFXYEVUEMIKVON-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910018619 Si-Fe Inorganic materials 0.000 description 1
- 229910008289 Si—Fe Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical group ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- VGTPKLINSHNZRD-UHFFFAOYSA-N oxoborinic acid Chemical compound OB=O VGTPKLINSHNZRD-UHFFFAOYSA-N 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
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- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
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- 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
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/04—Decarburising
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- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1222—Hot rolling
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- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1233—Cold rolling
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1255—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest with diffusion of elements, e.g. decarburising, nitriding
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- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1261—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest following hot rolling
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- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1272—Final recrystallisation annealing
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- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1283—Application of a separating or insulating coating
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- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1288—Application of a tension-inducing coating
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
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Description
前記予備コーティングされた方向性電磁鋼板の表面に張力コーティング層を形成する段階は、コロイダルシリカおよび金属リン酸塩を含む張力コーティング剤を準備する段階と、前記張力コーティング剤を前記予備コーティングされた方向性電磁鋼板に塗布する段階と、前記張力コーティング剤が塗布された方向性電磁鋼板を加熱する段階と、前記加熱段階の後、徐冷する段階とを含むものであってもよい。
具体的には、ボリン酸(Borinic acid)、ボロン酸(boronic acid)、ホウ酸(boronic acid)、およびこれらの組み合わせを含む群より選択された少なくとも1つであってもよい。
(1)2Mg(OH)2+SiO2→Mg2SiO4+2H2O
前記添加剤は、MgOと、アンチモニーオキシクロライド(SbOCl)およびアンチモニースルフェート(Sb2(SO4)3)を含む焼鈍分離剤と、水とを含むものであってもよい。
(2)2SbOCl→Sb2(s)+O2(g)+Cl2(g)
(3)Fe(鋼板)+Cl2→FeCl2(鋼板およびSiO2酸化層の界面に形成)
本発明の一実施形態によりベースコーティング層が除去された方向性電磁鋼板について、予備コーティング層を形成した。
具体的には、前記ベースコーティング層が除去された方向性電磁鋼板の準備過程は次の通りである。
前記準備された鋼スラブは圧延機を用いて熱間圧延し、これを焼鈍および酸洗処理し、以降、0.23mmの厚さに冷間圧延した。
前記ベースコーティング層が除去された方向性電磁鋼板に予備コーティング層を形成するための過程は次の通りである。
具体的には、前記アルミニウムとマグネシウムの混合リン酸塩100gに対して、前記ボリン酸(Borinic acid)は10g、前記水は400g添加し、前記コロイダルシリカを全く添加しない場合、そして5〜60gの範囲で変化させて添加した各場合として予備コーティング剤を製造した。
前記製造例において、ベースコーティング層を除去しなかった点を除けば、全て同一の過程によって予備コーティング層を形成した。
これによって、予備コーティング層が形成された、一般的な方向性電磁鋼板を得ることができた。
前記製造例および前記製造比較例によって予備コーティング層が形成された場合、予備コーティングされた面は引張応力の付加によって一方向に撓むようになる。このような撓みの程度(H)を測定すると、被膜による張力を評価することができる。
σRD=2Ecδ(αSi−Fe−αchemical reaction)ΔT(1−νRD)+Adhesion effect
前記製造例6によりベースコーティング層が除去され、予備コーティング層が形成された方向性電磁鋼板に対して、その表面に張力コーティング層を形成した。
前記実施例において、前記乾燥および徐冷のパターンを異ならせた点を除き、全て同一の過程によって張力コーティング層を形成した。
前記実施例および比較例について、その密着性およびコーティング張力を評価し、その評価方法は前述した通りである。
Claims (29)
- ボロン(B)が含まれている酸と、
金属リン酸塩と、
シリケートと、
溶媒とを含み、
前記ボロン(B)が含まれている酸は、ボリン酸(Borinic acid)、ボロン酸(boronic acid)、ホウ酸(boronic acid)、およびこれらの組み合わせを含む群より選択された少なくとも1つであり、
前記金属リン酸塩100重量部に対して、前記シリケートは20〜40重量部、前記ボロン(B)が含まれている酸は5〜15重量部、前記溶媒は300〜500重量部である、
方向性電磁鋼板用予備コーティング剤組成物。 - 前記金属リン酸塩は、
アルミニウムリン酸塩(Al(H2PO4)3)、マグネシウムリン酸塩(Mg((H2PO4)2)、およびこれらの組み合わせの中から選択された1つ以上である、請求項1に記載の方向性電磁鋼板用予備コーティング剤組成物。 - 前記金属リン酸塩は、アルミニウムリン酸塩(Al(H2PO4)3)、およびマグネシウムリン酸塩(Mg((H2PO4)2)を含み、
前記全体金属リン酸塩100重量%に対して、アルミニウムリン酸塩(Al(H2PO4)3)は20〜80重量%である、請求項2に記載の方向性電磁鋼板用予備コーティング剤組成物。 - 前記シリケートは、
分散媒にコロイド状に分散したシリカ、パウダー状の固体シリカ、およびこれらの組み合わせの中から選択された1つ以上である、請求項1に記載の方向性電磁鋼板用予備コーティング剤組成物。 - 方向性電磁鋼板と、
前記方向性電磁鋼板の表面に形成された予備コーティング層と、
前記予備コーティング層の表面に形成された張力コーティング層とを含み、
前記方向性電磁鋼板は、フォルステライト(Mg2SiO4)被膜が除去された方向性電磁鋼板であり、
前記予備コーティング層は、ボロン(B)が含まれている酸と、金属リン酸塩と、シリケートとを含み、
前記ボロン(B)が含まれている酸は、ボリン酸(Borinic acid)、ボロン酸(boronic acid)、ホウ酸(boronic acid)、およびこれらの組み合わせを含む群より選択された少なくとも1つであり、
前記金属リン酸塩100重量部に対して、前記シリケートは20〜40重量部、前記ボロン(B)が含まれている酸は5〜15重量部であり、
前記予備コーティング層によって、前記方向性電磁鋼板および前記張力コーティング層の間の密着性が制御されるものである、方向性電磁鋼板。 - 前記予備コーティング層内の金属リン酸塩は、
アルミニウムリン酸塩(Al(H2PO4)3)、マグネシウムリン酸塩(Mg((H2PO4)2)、およびこれらの組み合わせの中から選択された1つ以上である、請求項5に記載の方向性電磁鋼板。 - 前記予備コーティング層内のシリケートは、
分散媒にコロイド状に分散したシリカ、パウダー状の固体シリカ、およびこれらの組み合わせの中から選択された1つ以上である、請求項5に記載の方向性電磁鋼板。 - 前記方向性電磁鋼板の組成は、
Sn:0.03〜0.07重量%、Sb:0.01〜0.05重量%、P:0.01〜0.05重量%、Feおよびその他不可避に添加される不純物を含むものである、請求項5に記載の方向性電磁鋼板。 - 前記予備コーティング層の密着性は、
10〜20mmφである、請求項5に記載の方向性電磁鋼板。 - 前記張力コーティング層の被膜張力は、
0.3〜0.6kgf/mm2である、請求項5に記載の方向性電磁鋼板。 - 前記張力コーティング層の厚さに対する前記予備コーティング層の厚さは、
2:1〜20:1の比率で表されるものである、請求項5に記載の方向性電磁鋼板。 - 前記方向性電磁鋼板の厚さに対する、前記予備コーティング層および張力コーティング層の総厚さは、
35:1〜75:1の比率で表されるものである、請求項5に記載の方向性電磁鋼板。 - 前記張力コーティング層の組成は、
金属リン酸塩100重量部に対して、コロイダルシリカ50〜250重量部、酸化クロム5〜15重量部、固体シリカ粉末5〜15重量部である、請求項5に記載の方向性電磁鋼板。 - 前記金属リン酸塩は、アルミニウムリン酸塩、マグネシウムリン酸塩、およびこれらの組み合わせの中から選択された1つ以上である、請求項13に記載の方向性電磁鋼板。
- フォルステライト(Mg2SiO4)被膜が除去された方向性電磁鋼板を準備する段階と、
前記フォルステライト(Mg2SiO4)被膜が除去された方向性電磁鋼板の表面に予備コーティング層を形成する段階と、
前記予備コーティングされた方向性電磁鋼板の表面に張力コーティング層を形成する段階とを含み、
前記予備コーティング層は、ボロン(B)が含まれている酸と、金属リン酸塩と、シリケートとを含み、
前記ボロン(B)が含まれている酸は、ボリン酸(Borinic acid)、ボロン酸(boronic acid)、ホウ酸(boronic acid)、およびこれらの組み合わせを含む群より選択された少なくとも1つであり、
前記金属リン酸塩100重量部に対して、前記シリケートは20〜40重量部、前記ボロン(B)が含まれている酸は5〜15重量部であり、
前記予備コーティング層によって、前記フォルステライト(Mg2SiO4)被膜が除去された方向性電磁鋼板および前記張力コーティング層の間の密着性が制御されるものである、方向性電磁鋼板の製造方法。 - フォルステライト(Mg2SiO4)被膜が除去された方向性電磁鋼板を準備する段階は、
Sn:0.03〜0.07重量%、Sb:0.01〜0.05重量%、P:0.01〜0.05重量%、Feおよびその他不可避に添加される不純物を含む鋼スラブを準備する段階と、
前記鋼スラブを熱間圧延して、熱延板を製造する段階と、
前記熱延板を焼鈍および酸洗処理する段階と、
前記焼鈍および酸洗処理された鋼板を冷間圧延して、冷延板を製造する段階と、
前記冷延板を脱炭および窒化焼鈍する段階と、
前記脱炭および窒化焼鈍された鋼板を高温焼鈍する段階とを含み、
前記脱炭および窒化焼鈍は、35〜55℃の露点(Dew Point)範囲で施し、
前記高温焼鈍は、MgOを含む添加剤を塗布して施すものである、請求項15に記載の方向性電磁鋼板の製造方法。 - 前記添加剤は、
MgOと、
アンチモニーオキシクロライド(SbOCl)およびアンチモニースルフェート(Sb2(SO4)3)を含む焼鈍分離剤と、
水とを含むものである、請求項16に記載の方向性電磁鋼板の製造方法。 - 前記高温焼鈍は、
700〜950℃の温度範囲では昇温速度を18〜75℃/hrで施し、
950〜1200℃の温度範囲では10〜15℃/hrで施すものである、請求項16に記載の方向性電磁鋼板の製造方法。 - 前記脱炭および窒化焼鈍された鋼板を高温焼鈍する段階の後に、
酸洗および精整する段階をさらに含むものである、請求項16に記載の方向性電磁鋼板の製造方法。 - 前記フォルステライト(Mg2SiO4)被膜が除去された方向性電磁鋼板の表面に予備コーティング層を形成する段階は、
ボロン(B)が含まれている酸と、金属リン酸塩と、シリケートと、溶媒との混合溶液を製造する段階と、
前記混合溶液を前記方向性電磁鋼板に塗布する段階と、
前記混合溶液が塗布された方向性電磁鋼板を乾燥する段階とを含むものであり、
前記ボロン(B)が含まれている酸は、ボリン酸(Borinic acid)、ボロン酸(boronic acid)、ホウ酸(boronic acid)、およびこれらの組み合わせを含む群より選択された少なくとも1つであり、
前記混合溶液において前記金属リン酸塩100重量部に対して、前記シリケートは20〜40重量部、前記ボロン(B)が含まれている酸は5〜15重量部、前記溶媒は300〜500重量部である、
請求項15に記載の方向性電磁鋼板の製造方法。 - 前記金属リン酸塩は、
アルミニウムリン酸塩(Al(H2PO4)3)、マグネシウムリン酸塩(Mg((H2PO4)2)、およびこれらの組み合わせの中から選択された1つ以上である、請求項20に記載の方向性電磁鋼板の製造方法。 - 前記混合溶液を前記方向性電磁鋼板に塗布する段階は、
前記混合溶液0.5〜3.0g/m2を前記方向性電磁鋼板の表面に均等に分布させるものである、請求項20に記載の方向性電磁鋼板の製造方法。 - 前記混合溶液が塗布された方向性電磁鋼板を乾燥する段階は、
250〜550℃の温度範囲で15〜30秒間乾燥させるものである、請求項20に記載の方向性電磁鋼板の製造方法。 - 前記予備コーティングされた方向性電磁鋼板の表面に張力コーティング層を形成する段階は、
コロイダルシリカおよび金属リン酸塩を含む張力コーティング剤を準備する段階と、
前記張力コーティング剤を前記予備コーティングされた方向性電磁鋼板に塗布する段階と、
前記張力コーティング剤が塗布された方向性電磁鋼板を加熱する段階と、
前記加熱段階の後、徐冷する段階とを含むものである、請求項15に記載の方向性電磁鋼板の製造方法。 - 前記張力コーティング剤の組成は、
金属リン酸塩100重量部に対して、コロイダルシリカ50〜250重量部、酸化クロム5〜15重量部、固体シリカ粉末5〜15重量部、溶媒は20〜100重量部である、請求項24に記載の方向性電磁鋼板の製造方法。 - 前記金属リン酸塩は、アルミニウムリン酸塩、マグネシウムリン酸塩、およびこれらの組み合わせの中から選択された1つ以上である、請求項25に記載の方向性電磁鋼板の製造方法。
- 前記張力コーティング剤を前記予備コーティングされた方向性電磁鋼板に塗布する段階は、
前記張力コーティング剤0.5〜6.0g/m2を前記予備コーティングされた方向性電磁鋼板の表面に均等に分布させるものである、請求項25に記載の方向性電磁鋼板の製造方法。 - 前記張力コーティング剤が塗布された方向性電磁鋼板を加熱する段階は、
550〜900℃の温度範囲で10〜50秒間加熱するものである、請求項25に記載の方向性電磁鋼板の製造方法。 - 前記加熱段階の後、徐冷する段階は、
250〜550℃の温度範囲で15〜30秒間徐冷するものである、請求項25に記載の方向性電磁鋼板の製造方法。
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JPH08277474A (ja) | 1995-04-07 | 1996-10-22 | Nippon Steel Corp | 方向性電磁鋼板およびその製造方法 |
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KR100544535B1 (ko) * | 2001-12-20 | 2006-01-24 | 주식회사 포스코 | 무그라스피막 방향성전기강판용 무크롬 절연피막제와 이를이용한 방향성 전기강판의 제조방법 |
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KR101141280B1 (ko) * | 2004-12-28 | 2012-05-15 | 주식회사 포스코 | 장력부여능이 우수한 절연피막 조성물 및 방향성전기강판의 절연피막 형성방법 |
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