JP2015501389A - 被覆された粒子配向性鋼 - Google Patents
被覆された粒子配向性鋼 Download PDFInfo
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- JP2015501389A JP2015501389A JP2014539259A JP2014539259A JP2015501389A JP 2015501389 A JP2015501389 A JP 2015501389A JP 2014539259 A JP2014539259 A JP 2014539259A JP 2014539259 A JP2014539259 A JP 2014539259A JP 2015501389 A JP2015501389 A JP 2015501389A
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- oriented steel
- steel strip
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- chromium
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 81
- 239000010959 steel Substances 0.000 title claims abstract description 81
- 238000000576 coating method Methods 0.000 claims abstract description 133
- 239000011248 coating agent Substances 0.000 claims abstract description 122
- 239000000203 mixture Substances 0.000 claims abstract description 90
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 86
- 150000001282 organosilanes Chemical class 0.000 claims abstract description 32
- 229910001463 metal phosphate Inorganic materials 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 239000000377 silicon dioxide Substances 0.000 claims description 25
- 238000005260 corrosion Methods 0.000 claims description 18
- 230000007797 corrosion Effects 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 12
- 239000003112 inhibitor Substances 0.000 claims description 12
- 239000011859 microparticle Substances 0.000 claims description 10
- 239000002105 nanoparticle Substances 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 10
- 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 7
- 239000004137 magnesium phosphate Substances 0.000 claims description 7
- 229910000157 magnesium phosphate Inorganic materials 0.000 claims description 7
- 229960002261 magnesium phosphate Drugs 0.000 claims description 7
- 235000010994 magnesium phosphates Nutrition 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- 150000002484 inorganic compounds Chemical class 0.000 claims description 2
- 229910010272 inorganic material Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052713 technetium Inorganic materials 0.000 claims description 2
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 claims description 2
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 2
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 239000008119 colloidal silica Substances 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 description 17
- 239000010452 phosphate Substances 0.000 description 17
- 235000021317 phosphate Nutrition 0.000 description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 14
- 239000000758 substrate Substances 0.000 description 14
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 13
- 229910052839 forsterite Inorganic materials 0.000 description 12
- 150000001845 chromium compounds Chemical class 0.000 description 9
- 238000002156 mixing Methods 0.000 description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 238000012856 packing Methods 0.000 description 6
- 238000000137 annealing Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 5
- 239000012456 homogeneous solution Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001723 curing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- CMZUMMUJMWNLFH-UHFFFAOYSA-N sodium metavanadate Chemical compound [Na+].[O-][V](=O)=O CMZUMMUJMWNLFH-UHFFFAOYSA-N 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 229910008051 Si-OH Inorganic materials 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 229910006358 Si—OH Inorganic materials 0.000 description 2
- YFELMWJRIDJCTN-UHFFFAOYSA-N [O-2].[Fe+2].[Si+4].[O-2].[O-2] Chemical compound [O-2].[Fe+2].[Si+4].[O-2].[O-2] YFELMWJRIDJCTN-UHFFFAOYSA-N 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 239000005300 metallic glass Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910002808 Si–O–Si Inorganic materials 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 238000013034 coating degradation Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- CWAFVXWRGIEBPL-UHFFFAOYSA-N ethoxysilane Chemical compound CCO[SiH3] CWAFVXWRGIEBPL-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011416 infrared curing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- ARYZCSRUUPFYMY-UHFFFAOYSA-N methoxysilane Chemical compound CO[SiH3] ARYZCSRUUPFYMY-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14775—Fe-Si based alloys in the form of sheets
- H01F1/14783—Fe-Si based alloys in the form of sheets with insulating 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
- 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
- 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
- C23C22/73—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 characterised by the process
- C23C22/74—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 characterised by the process for obtaining burned-in conversion coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/16—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
- H01F1/18—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets with insulating coating
-
- 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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
-
- 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
-
- 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]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
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- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Treatment Of Metals (AREA)
- Soft Magnetic Materials (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
i.前記粒子配向性鋼基材上に絶縁層を形成する工程と、
ii.金属リン酸塩、シリカ粒子及びオルガノシランを含み、クロムを含まない被覆混合物を用意する工程と、
iii.前記絶縁層の上に前記混合物を適用する工程と、
iv.前記混合物を硬化させ、粒子配向性鋼基材に張力を与える、クロムを含まない被覆を形成する工程と
を含む、方法が提供される。
− クロムを含まない腐食防止剤、
− ケイ酸塩、
− 水
の一種以上をさらに含む。
− 前記粒子配向性鋼ストリップ上の絶縁層と
− 前記絶縁層上のクロムを含まない被覆と
を含み、該被覆が金属リン酸塩、シリカ粒子及びオルガノシランを含む、被覆された粒子配向性鋼を提供する。
混合容器に水に入れたγ−グリシドキシプロピルトリメチオキシシランを入れ、1〜2時間撹拌し、対応する反応性Si−OH基を含む加水分解されたシランを製造した。この溶液に、粒子径30nmを有するシリカ粒子を加え、この混合物を24時間機械的に撹拌した。この間に加水分解されたシランのSi−OH基がシリカ粒子表面上のOH基と反応し、安定したSi−O−Si結合を形成する。24時間後、官能化されたシリカを含む透明な、均質な溶液が得られる。
被覆混合物1〜4の被覆混合物組成物(重量%)を表1に示す。各被覆混合物の製造方法は、以下に示す。
混合容器にリン酸アルミニウム(51%w/w、560g)、マイクロサイズのシリカ粒子(18%w/w、400g)及び水(128g)を入れ、続いて1〜2時間撹拌した。
リン酸アルミニウム(51%w/w)を水(532g)に入れたものを、官能化されたシリカ粒子(29%w/w)を水(940g)中に入れた均質な溶液を含む混合容器に入れた。続いてメタバナジン酸ナトリウム(1g)及びリン酸(1g)を混合容器に加え、この混合物を1〜2時間撹拌した。
リン酸アルミニウム(51%w/w、408g)及びリン酸マグネシウム(51%w/w、180g)の両方を水に入れたものを、官能化されたシリカ粒子(30%w/w、1250g)の均質な溶液を含む混合容器に入れた。続いてマイクロサイズのシリカ粒子(60g)、メタバナジン酸ナトリウム(60g)、リン酸(60g)及び水(64g)を混合容器に加え、この混合物を1〜2時間撹拌した。
リン酸アルミニウム(51%w/w、400g)を水に入れたものを、官能化されたシリカ粒子(29%w/w、705g)の均質な溶液を含む混合容器に入れた。続いてこの溶液にγ−グリシドキシプロピルトリメチオキシシラン(30%w/w、300g)及び水(95g)を加え、この混合物を1〜2時間撹拌した。
リン酸アルミニウム(51%w/w、400g)を水に入れたものを、官能化されたシリカ粒子(29%w/w、750g)の均質な溶液を含む混合容器に入れた。続いて混合容器に可溶性ケイ酸ナトリウム(40%w/w、10g)、リン酸(10g)及び水(95g)を加え、この混合物を1〜2時間撹拌した。
被覆混合物の粘度を、5〜500mPa・sの範囲内に調節する。次いで、被覆を、フォーステライト被覆したGOストリップの上に、ロールコーティングにより、被覆ライン速度140m/分を有する連続被覆ラインで適用する。被覆混合物を適用する際、GOストリップの幅を横切る被覆厚さの差は±2μmにすべきである。続いて、適用した被覆混合物を、温度180〜220℃で、滞留時間30〜60秒間で硬化させる。硬化技術、例えば赤外線硬化及び誘導硬化、を使用してもよい。
被覆混合物1−4を施した被覆されたGO鋼ストリップに関連する磁気ひずみ及び損失低減百分率を測定するための実験を行った(表2)。比較目的で、市販のリン酸塩系被覆を施したGO鋼ストリップも試験した。比較例C1の被覆混合物は、金属リン酸塩及びマイクロサイズのシリカ粒子を含むのに対し、比較例C2の被覆混合物は、金属リン酸塩、シリカ粒子及びクロム化合物を含む。
Claims (17)
- 被覆された粒子配向性鋼ストリップの製造方法であって、
i.前記粒子配向性鋼ストリップ上に絶縁層を形成する工程と、
ii.金属リン酸塩、シリカ粒子及びオルガノシランを含む、クロムを含まない被覆混合物を用意する工程と、
iii.前記絶縁層の上に前記混合物を適用する工程と、
iv.前記混合物を硬化させ、前記配向性鋼ストリップに張力を与える、クロムを含まない被覆を形成する工程
を含む、方法。 - 前記クロムを含まない被覆混合物が、オルガノシラン官能化されたシリカ粒子を含む、請求項1に記載の被覆された粒子配向性鋼ストリップの製造方法。
- 前記オルガノシランが、γ−グリシドキシプロピルトリメチオキシシラン、フェニルトリエトキシシラン、プロピルトリメトキシシランまたはそれらの混合物を含む、請求項2に記載の被覆された粒子配向性鋼ストリップの製造方法。
- 前記被覆混合物が、シリカナノ粒子及びシリカマイクロ粒子を含む、請求項1〜3のいずれか一項に記載の被覆された粒子配向性鋼ストリップの製造方法。
- 前記シリカナノ粒子が5〜50nmの粒子径を有する、及び/又はシリカマイクロ粒子が1〜50μmの粒子径を有する、請求項1〜4のいずれか一項に記載の被覆された粒子配向性鋼ストリップの製造方法。
- シリカナノ粒子とシリカマイクロ粒子の比が、少なくとも2:1である、請求項1〜5のいずれか一項に記載の被覆された粒子配向性鋼ストリップの製造方法。
- 前記金属リン酸塩が、リン酸アルミニウム、リン酸マグネシウム、リン酸亜鉛またはそれらの混合物を含む、請求項1〜6のいずれか一項に記載の被覆された粒子配向性鋼ストリップの製造方法。
- 前記被覆混合物が、下記の化合物、即ち
− クロムを含まない腐食防止剤、
− ケイ酸塩、
− 水
の一種以上をさらに含む、請求項1〜7のいずれか一項に記載の被覆された粒子配向性鋼ストリップの製造方法。 - 前記クロムを含まない腐食防止剤が、V、Mo、Mn、Tc、Zr、Ceまたはそれらの混合物の無機化合物を含む、請求項8に記載の被覆された粒子配向性鋼ストリップの製造方法。
- 前記被覆混合物が、金属リン酸塩15〜40重量%、コロイド状シリカ20〜60重量%及びオルガノシラン5〜15重量%を含む、請求項1〜9のいずれか一項に記載の被覆された粒子配向性鋼ストリップの製造方法。
- 前記被覆混合物が、前記絶縁層上に、少なくとも100m/分の移動ストリップ速度で適用される、請求項1〜10のいずれか一項に記載の被覆された粒子配向性鋼ストリップの製造方法。
- 被覆された粒子配向性鋼ストリップであって、
− 前記粒子配向性鋼ストリップ上の絶縁層
− 前記絶縁層上のクロムを含まない被覆
を含み、前記被覆が金属リン酸塩、シリカ粒子及びオルガノシランを含む、被覆された粒子配向性鋼ストリップ。 - 前記クロムを含まない被覆が、乾燥被膜厚4〜10μm、好ましくは4〜6μmを有する、請求項12に記載の被覆された粒子配向性鋼。
- 前記クロムを含まない被覆が、大気圧で850℃まで熱的に安定している、請求項12又は請求項13に記載の被覆された粒子配向性鋼。
- 損失低減百分率が少なくとも2.5%である、請求項12〜14のいずれか一項に記載の被覆された粒子配向性鋼。
- 請求項12〜15のいずれか一項に記載の被覆された粒子配向性鋼ストリップの、変圧器における使用。
- 請求項12〜15のいずれか一項に記載の被覆された粒子配向性鋼ストリップを含む、変圧器。
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KR102177038B1 (ko) * | 2014-11-14 | 2020-11-10 | 주식회사 포스코 | 방향성 전기강판용 절연피막 조성물, 이를 이용하여 표면에 절연피막이 형성된 방향성 전기강판 및 이의 제조방법 |
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WO2017214781A1 (zh) * | 2016-06-12 | 2017-12-21 | 深圳市恒兆智科技有限公司 | 无铬免洗皮膜剂、铝材及其表面皮膜化处理方法 |
KR102483593B1 (ko) * | 2018-02-06 | 2022-12-30 | 제이에프이 스틸 가부시키가이샤 | 절연 피막 부착 전자 강판 및 그의 제조 방법 |
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US20140272399A1 (en) | 2014-09-18 |
CN104024443A (zh) | 2014-09-03 |
WO2013064260A1 (en) | 2013-05-10 |
EP2773781B1 (en) | 2015-07-01 |
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