JP6842550B2 - 方向性電磁鋼板およびその製造方法 - Google Patents
方向性電磁鋼板およびその製造方法 Download PDFInfo
- Publication number
- JP6842550B2 JP6842550B2 JP2019534751A JP2019534751A JP6842550B2 JP 6842550 B2 JP6842550 B2 JP 6842550B2 JP 2019534751 A JP2019534751 A JP 2019534751A JP 2019534751 A JP2019534751 A JP 2019534751A JP 6842550 B2 JP6842550 B2 JP 6842550B2
- Authority
- JP
- Japan
- Prior art keywords
- steel sheet
- annealing
- grain
- temperature
- coating layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 36
- 229910000976 Electrical steel Inorganic materials 0.000 title description 5
- 238000000137 annealing Methods 0.000 claims description 92
- 229910000831 Steel Inorganic materials 0.000 claims description 62
- 239000010959 steel Substances 0.000 claims description 62
- 239000000463 material Substances 0.000 claims description 46
- 239000013078 crystal Substances 0.000 claims description 45
- 239000011247 coating layer Substances 0.000 claims description 40
- 229910001224 Grain-oriented electrical steel Inorganic materials 0.000 claims description 38
- 238000005524 ceramic coating Methods 0.000 claims description 36
- 239000010410 layer Substances 0.000 claims description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 27
- 229910052760 oxygen Inorganic materials 0.000 claims description 27
- 239000001301 oxygen Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 23
- 238000005554 pickling Methods 0.000 claims description 22
- 238000005261 decarburization Methods 0.000 claims description 21
- 230000002950 deficient Effects 0.000 claims description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 238000005097 cold rolling Methods 0.000 claims description 17
- 239000010960 cold rolled steel Substances 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 7
- 238000005098 hot rolling Methods 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 6
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000003303 reheating Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 230000005389 magnetism Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- 239000002344 surface layer Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 7
- 239000011572 manganese Substances 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052755 nonmetal Inorganic materials 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000001887 electron backscatter diffraction Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000005381 magnetic domain Effects 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052839 forsterite Inorganic materials 0.000 description 1
- 239000003966 growth inhibitor Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- C21D8/1261—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
-
- 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
- C21D8/1266—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 between cold rolling steps
-
- 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
-
- 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
-
- 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
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
- C23C4/11—Oxides
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2016-0178404 | 2016-12-23 | ||
| KR1020160178404A KR101919527B1 (ko) | 2016-12-23 | 2016-12-23 | 방향성 전기강판 및 이의 제조방법 |
| PCT/KR2017/015384 WO2018117749A1 (ko) | 2016-12-23 | 2017-12-22 | 방향성 전기강판 및 이의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2020510751A JP2020510751A (ja) | 2020-04-09 |
| JP6842550B2 true JP6842550B2 (ja) | 2021-03-17 |
Family
ID=62626716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019534751A Active JP6842550B2 (ja) | 2016-12-23 | 2017-12-22 | 方向性電磁鋼板およびその製造方法 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6842550B2 (ko) |
| KR (1) | KR101919527B1 (ko) |
| CN (1) | CN110114479B (ko) |
| WO (1) | WO2018117749A1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724808B (zh) * | 2019-10-09 | 2021-01-26 | 马鞍山钢铁股份有限公司 | 一种由3.01～4.5mm的热轧卷冷轧生产电工钢的方法 |
| KR102438473B1 (ko) * | 2019-12-20 | 2022-08-31 | 주식회사 포스코 | 방향성 전기강판 및 그 제조 방법 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02243754A (ja) * | 1989-03-15 | 1990-09-27 | Nippon Steel Corp | 低鉄損一方向性珪素鋼板の製造方法 |
| JP2662482B2 (ja) * | 1992-08-21 | 1997-10-15 | 新日本製鐵株式会社 | 低鉄損方向性電磁鋼板 |
| DE69326792T2 (de) * | 1992-04-07 | 2000-04-27 | Nippon Steel Corp., Tokio/Tokyo | Kornorientiertes Siliziumstahlblech mit geringen Eisenverlusten und Herstellungsverfahren |
| JPH10245667A (ja) * | 1997-03-06 | 1998-09-14 | Kawasaki Steel Corp | 超低鉄損一方向性極薄けい素鋼板の製造方法 |
| JP3882103B2 (ja) * | 2000-04-25 | 2007-02-14 | Ｊｆｅスチール株式会社 | 張力付与異方性被膜を有する低鉄損一方向性電磁鋼板 |
| CN101348855A (zh) * | 2008-09-05 | 2009-01-21 | 首钢总公司 | 一种磁感更高的普通取向电工钢生产方法 |
| KR101223115B1 (ko) * | 2010-12-23 | 2013-01-17 | 주식회사 포스코 | 자성이 우수한 방향성 전기강판 및 이의 제조방법 |
| KR101448596B1 (ko) * | 2012-12-27 | 2014-10-08 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
| EP2933350A1 (en) * | 2014-04-14 | 2015-10-21 | Mikhail Borisovich Tsyrlin | Production method for high-permeability grain-oriented electrical steel |
| JP6260513B2 (ja) * | 2014-10-30 | 2018-01-17 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板の製造方法 |
| KR101642281B1 (ko) * | 2014-11-27 | 2016-07-25 | 주식회사 포스코 | 방향성 전기강판 및 이의 제조방법 |
| KR101657467B1 (ko) * | 2014-12-18 | 2016-09-19 | 주식회사 포스코 | 방향성 전기강판 및 이의 제조방법 |
-
2016
- 2016-12-23 KR KR1020160178404A patent/KR101919527B1/ko active IP Right Grant
-
2017
- 2017-12-22 JP JP2019534751A patent/JP6842550B2/ja active Active
- 2017-12-22 CN CN201780080330.8A patent/CN110114479B/zh active Active
- 2017-12-22 WO PCT/KR2017/015384 patent/WO2018117749A1/ko active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| KR20180074382A (ko) | 2018-07-03 |
| JP2020510751A (ja) | 2020-04-09 |
| KR101919527B1 (ko) | 2018-11-16 |
| CN110114479B (zh) | 2021-04-02 |
| CN110114479A (zh) | 2019-08-09 |
| WO2018117749A1 (ko) | 2018-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6808735B2 (ja) | 方向性電磁鋼板の製造方法 | |
| JP2020050955A (ja) | 方向性電磁鋼板用絶縁被膜組成物、これを利用した方向性電磁鋼板の絶縁被膜形成方法、及び方向性電磁鋼板 | |
| US12040110B2 (en) | Grain-oriented electrical steel sheet and manufacturing method therefor | |
| KR101980940B1 (ko) | 방향성 전기 강판의 제조 방법 및 방향성 전기 강판 제조용의 1 차 재결정 강판 | |
| JP6868030B2 (ja) | 方向性電磁鋼板およびその製造方法 | |
| JP6768068B2 (ja) | 方向性電磁鋼板の製造方法 | |
| JP2004353036A (ja) | 磁気特性に優れた方向性電磁鋼板の製造方法 | |
| JP2007239009A (ja) | 方向性電磁鋼板の製造方法 | |
| JP2022501516A (ja) | 二方向性電磁鋼板およびその製造方法 | |
| JP6842550B2 (ja) | 方向性電磁鋼板およびその製造方法 | |
| JP2023508029A (ja) | 方向性電磁鋼板およびその製造方法 | |
| JP2022512498A (ja) | 方向性電磁鋼板およびその製造方法 | |
| JP2022514793A (ja) | 無方向性電磁鋼板およびその製造方法 | |
| JP6622919B2 (ja) | 方向性電磁鋼板及びその製造方法 | |
| JP3948284B2 (ja) | 方向性電磁鋼板の製造方法 | |
| KR20190078160A (ko) | 방향성 전기강판 및 이의 제조방법 | |
| JP2009209428A (ja) | 著しく磁束密度が高い方向性電磁鋼板の製造方法 | |
| JP5332707B2 (ja) | 磁気特性が極めて優れた方向性電磁鋼板の製造方法 | |
| JP6842549B2 (ja) | 方向性電磁鋼板およびその製造方法 | |
| JP2560579B2 (ja) | 高透磁率を有する高珪素鋼板の製造方法 | |
| JP2017122269A (ja) | 二方向性電磁鋼板および二方向性電磁鋼板の製造方法 | |
| JP7312255B2 (ja) | 方向性電磁鋼板およびその製造方法 | |
| WO2024162442A1 (ja) | 方向性電磁鋼板の製造方法 | |
| JPH11241120A (ja) | 均質なフォルステライト質被膜を有する方向性けい素鋼板の製造方法 | |
| WO2024162441A1 (ja) | 方向性電磁鋼板の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190624 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190624 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20200630 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200721 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20201021 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210126 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210219 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6842550 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |