KR20200076503A - 방향성 전기강판 및 그의 제조 방법 - Google Patents
방향성 전기강판 및 그의 제조 방법 Download PDFInfo
- Publication number
- KR20200076503A KR20200076503A KR1020180165644A KR20180165644A KR20200076503A KR 20200076503 A KR20200076503 A KR 20200076503A KR 1020180165644 A KR1020180165644 A KR 1020180165644A KR 20180165644 A KR20180165644 A KR 20180165644A KR 20200076503 A KR20200076503 A KR 20200076503A
- Authority
- KR
- South Korea
- Prior art keywords
- groove
- steel sheet
- grain
- electrical steel
- oriented electrical
- 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.)
- Granted
Links
Images
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
- H01F1/16—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
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
- B23K26/364—Laser etching for making a groove or trench, e.g. for scribing a break initiation groove
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of 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
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
- C21D10/005—Modifying the physical properties by methods other than heat treatment or deformation by laser shock processing
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—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
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
- C21D8/1266—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
- 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
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1277—Modifying the physical properties of ferrous metals or ferrous alloys 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
-
- 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
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
-
- 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
- C21D2201/00—Treatment for obtaining particular effects
- C21D2201/05—Grain orientation
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
- C23C8/12—Oxidising using elemental oxygen or ozone
- C23C8/14—Oxidising of ferrous surfaces
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
- C23C8/16—Oxidising using oxygen-containing compounds, e.g. water, carbon dioxide
- C23C8/18—Oxidising of ferrous surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
- H01F27/2455—Magnetic cores made from sheets, e.g. grain-oriented using deformed sheets, e.g. bent laminations
-
- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
-
- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
- H01F41/024—Manufacturing of magnetic circuits made from deformed sheets
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
상기 1차 재결정된 냉연판에 소둔 분리제를 도포하고, 2차 재결정 소둔하는 단계를 포함하고, 냉연판을 1차 재결정 소둔하는 단계 이후, 냉연판 표층부의 SiO2/FexSiOy의 중량비가 0.3 내지 3이다.
(단, x는 1 내지 2의 정수이고, y는 2 내지 4의 정수 이다.)
Description
도 2는 본 발명의 일 실시예에 의한 그루브의 모식도 이다.
도 3은 본 발명의 일 실시예에 의한 그루브의 단면의 모식도이다.
| 구 분 | 표층부 SiO2/FexSiOy의 중량비 | 아일랜드 밀도 (수/그루브 당) |
철손, W17/50, (W/kg) |
| 실시예 1 | 0.3 | 5 | 0.74 |
| 실시예 2 | 0.5 | 10 | 0.72 |
| 실시예 3 | 0.7 | 5 | 0.71 |
| 실시예 4 | 0.4 | 12 | 0.72 |
| 실시예 5 | 1.2 | 15 | 0.71 |
| 실시예 6 | 1.8 | 9 | 0.73 |
| 실시예 7 | 1.1 | 8 | 0.73 |
| 실시예 8 | 2.3 | 11 | 0.72 |
| 실시예 9 | 3.0 | 15 | 0.71 |
| 실시예 10 | 2.7 | 11 | 0.72 |
| 비교예 | 3.5 | 17 | 0.80 |
20 : 그루브,
30 : 금속 산화물층,
40 : 아일랜드
Claims (10)
- 전기강판 표면에 위치하는 그루브,
상기 그루브 상에 위치하는 금속 산화물층 및
상기 그루브 하부에 위치하는 불연속적으로 분산 분포하는 금속산화물계 아일랜드를 포함하고,
그루브 하부에 위치하는 아일랜드의 밀도가 그루브당 15개 이하인 방향성 전기강판. - 제1항에 있어서,
상기 그루브 하부에 위치하는 아일랜드의 밀도는 0.5개/㎛2 이하인 방향성 전기강판. - 제1항에 있어서,
상기 그루브 하부에 위치하는 아일랜드 중 구형도가 0.5 내지 1.0인 아일랜드의 개수가 60% 이상인 방향성 전기강판. - 제1항에 있어서,
압연 수직 방향에 대하여, 그루브가 2 내지 10개 단속적으로 존재하는 방향성 전기강판. - 제1항에 있어서,
상기 그루브의 길이 방향과 강판의 압연방향은 75 내지 88°의 각도를 이루는 방향성 전기강판. - 냉연판을 제조하는 단계;
상기 냉연판에 그루브를 형성하는 단계;
상기 냉연판을 1차 재결정 소둔하는 단계; 및
상기 1차 재결정된 냉연판에 소둔 분리제를 도포하고, 2차 재결정 소둔하는 단계를 포함하고,
상기 냉연판을 1차 재결정 소둔하는 단계 이후, 냉연판 표층부의 SiO2/FexSiOy의 중량비가 0.3 내지 3인 방향성 전기강판의 제조방법.
(단 x는 1 내지 2의 정수이고, y는 2 내지 4의 정수 이다.) - 제6항에 있어서,
상기 그루브를 형성하는 단계에서, 상기 냉연판에 레이저를 조사하여 그루브를 형성하고,
레이저 출력이 1.5kW 이상이고, 레이저 주사 속도가 8m/s이상이고, 레이저 주사거리가 100mm 이상인 방향성 전기강판의 제조방법. - 제6항에 있어서,
상기 그루브를 형성하는 단계에서, 그루브 하부에 재응고층이 형성되는 방향성 전기강판의 제조방법. - 제6항에 있어서,
상기 그루브를 형성하는 단계에서, 그루브 하부에 재응고층이 두께 3㎛ 이하로 형성되는 방향성 전기강판의 제조방법. - 제6항에 있어서,
상기 냉연판을 1차 재결정 소둔하는 단계는 710 내지 870℃의 온도 및 40 내지 70℃의 이슬점 온도에서 수행되는 방향성 전기강판의 제조방법.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180165644A KR102149826B1 (ko) | 2018-12-19 | 2018-12-19 | 방향성 전기강판 및 그의 제조 방법 |
| EP19898832.1A EP3901970B1 (en) | 2018-12-19 | 2019-12-18 | Oriented electrical steel sheet and method for manufacturing same |
| US17/415,818 US12620513B2 (en) | 2018-12-19 | 2019-12-18 | Oriented electrical steel sheet and method for manufacturing same |
| CN201980084800.7A CN113243034B (zh) | 2018-12-19 | 2019-12-18 | 取向电工钢板及其制造方法 |
| PCT/KR2019/018025 WO2020130639A1 (ko) | 2018-12-19 | 2019-12-18 | 방향성 전기강판 및 그의 제조 방법 |
| JP2021536313A JP7365416B2 (ja) | 2018-12-19 | 2019-12-18 | 方向性電磁鋼板およびその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180165644A KR102149826B1 (ko) | 2018-12-19 | 2018-12-19 | 방향성 전기강판 및 그의 제조 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200076503A true KR20200076503A (ko) | 2020-06-29 |
| KR102149826B1 KR102149826B1 (ko) | 2020-08-31 |
Family
ID=71102203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020180165644A Active KR102149826B1 (ko) | 2018-12-19 | 2018-12-19 | 방향성 전기강판 및 그의 제조 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12620513B2 (ko) |
| EP (1) | EP3901970B1 (ko) |
| JP (1) | JP7365416B2 (ko) |
| KR (1) | KR102149826B1 (ko) |
| CN (1) | CN113243034B (ko) |
| WO (1) | WO2020130639A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12051529B2 (en) | 2018-12-19 | 2024-07-30 | Posco Co., Ltd | Oriented electrical steel sheet and method for producing same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022013960A1 (ja) * | 2020-07-15 | 2022-01-20 | 日本製鉄株式会社 | 方向性電磁鋼板および方向性電磁鋼板の製造方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5234222B2 (ja) * | 2010-04-01 | 2013-07-10 | 新日鐵住金株式会社 | 方向性電磁鋼板及びその製造方法 |
| KR20140092467A (ko) * | 2012-12-28 | 2014-07-24 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
| KR20160078247A (ko) * | 2014-12-24 | 2016-07-04 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
| KR20180073306A (ko) * | 2016-12-22 | 2018-07-02 | 주식회사 포스코 | 방향성 전기강판 및 그 자구미세화 방법 |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5234222B2 (ko) * | 1972-02-04 | 1977-09-02 | ||
| GB2208871B (en) | 1987-08-22 | 1991-03-27 | British Steel Plc | Processing grain-oriented "electrical" steel |
| KR930004850B1 (ko) | 1991-07-19 | 1993-06-09 | 포항종합제철 주식회사 | 저철손 고자속밀도 방향성 전기강판의 제조방법 |
| JP3415379B2 (ja) | 1996-11-21 | 2003-06-09 | Jfeスチール株式会社 | 方向性けい素鋼板の絶縁被膜及びその形成方法 |
| JP4300604B2 (ja) | 1997-12-24 | 2009-07-22 | Jfeスチール株式会社 | 超低鉄損一方向性珪素鋼板およびその製造方法 |
| JP4161403B2 (ja) | 1998-03-31 | 2008-10-08 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
| JP4276547B2 (ja) * | 2003-01-15 | 2009-06-10 | 新日本製鐵株式会社 | 高磁場鉄損と被膜特性に優れる超高磁束密度一方向性電磁鋼板 |
| TWI305548B (en) | 2005-05-09 | 2009-01-21 | Nippon Steel Corp | Low core loss grain-oriented electrical steel sheet and method for producing the same |
| JP2009134009A (ja) | 2007-11-29 | 2009-06-18 | Ricoh Co Ltd | 現像剤規制部材、現像装置、画像形成装置及びプロセスカートリッジ |
| JP5842400B2 (ja) | 2010-06-18 | 2016-01-13 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
| KR101345469B1 (ko) | 2010-09-09 | 2013-12-27 | 신닛테츠스미킨 카부시키카이샤 | 방향성 전자기 강판 및 그 제조 방법 |
| KR101484878B1 (ko) | 2011-06-03 | 2015-01-21 | 신닛테츠스미킨 카부시키카이샤 | 방향성 전자기 강판의 제조 장치 및 방향성 전자기 강판의 제조 방법 |
| KR101382645B1 (ko) | 2012-05-16 | 2014-04-08 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
| CN102941413B (zh) * | 2012-11-23 | 2015-07-01 | 武汉钢铁(集团)公司 | 一种取向硅钢多次激光刻槽降低铁损的方法 |
| US11440846B2 (en) | 2013-02-08 | 2022-09-13 | Nippon Steel Corporation | Solution for forming insulation coating and grain-oriented electrical steel sheet |
| KR20150012205A (ko) | 2013-07-24 | 2015-02-03 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
| CN105492634B (zh) | 2013-08-27 | 2018-12-14 | Ak钢铁产权公司 | 具有改善的镁橄榄石涂层特性的晶粒取向电工钢 |
| KR101594598B1 (ko) | 2013-12-23 | 2016-02-16 | 주식회사 포스코 | 방향성 전기강판 제조방법 |
| WO2016105053A1 (ko) | 2014-12-24 | 2016-06-30 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
| KR101719231B1 (ko) | 2014-12-24 | 2017-04-04 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
| JP6168173B2 (ja) | 2015-01-30 | 2017-07-26 | Jfeスチール株式会社 | 方向性電磁鋼板とその製造方法 |
| JP6657837B2 (ja) * | 2015-11-19 | 2020-03-04 | 日本製鉄株式会社 | 方向性電磁鋼板およびその製造方法 |
| KR101751525B1 (ko) | 2015-12-24 | 2017-07-11 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조 방법 |
| KR101944899B1 (ko) | 2016-12-22 | 2019-02-01 | 주식회사 포스코 | 방향성 전기강판의 자구미세화 방법 |
| KR101892226B1 (ko) | 2016-12-23 | 2018-08-27 | 주식회사 포스코 | 방향성 전기강판 및 그 자구미세화 방법 |
| KR102221606B1 (ko) | 2018-11-30 | 2021-02-26 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조 방법 |
| KR102133909B1 (ko) | 2018-12-19 | 2020-07-14 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조 방법 |
-
2018
- 2018-12-19 KR KR1020180165644A patent/KR102149826B1/ko active Active
-
2019
- 2019-12-18 US US17/415,818 patent/US12620513B2/en active Active
- 2019-12-18 CN CN201980084800.7A patent/CN113243034B/zh active Active
- 2019-12-18 WO PCT/KR2019/018025 patent/WO2020130639A1/ko not_active Ceased
- 2019-12-18 JP JP2021536313A patent/JP7365416B2/ja not_active Ceased
- 2019-12-18 EP EP19898832.1A patent/EP3901970B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5234222B2 (ja) * | 2010-04-01 | 2013-07-10 | 新日鐵住金株式会社 | 方向性電磁鋼板及びその製造方法 |
| KR20140092467A (ko) * | 2012-12-28 | 2014-07-24 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
| KR20160078247A (ko) * | 2014-12-24 | 2016-07-04 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
| KR20180073306A (ko) * | 2016-12-22 | 2018-07-02 | 주식회사 포스코 | 방향성 전기강판 및 그 자구미세화 방법 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12051529B2 (en) | 2018-12-19 | 2024-07-30 | Posco Co., Ltd | Oriented electrical steel sheet and method for producing same |
Also Published As
| Publication number | Publication date |
|---|---|
| US12620513B2 (en) | 2026-05-05 |
| EP3901970B1 (en) | 2025-03-05 |
| JP7365416B2 (ja) | 2023-10-19 |
| EP3901970A1 (en) | 2021-10-27 |
| US20220051836A1 (en) | 2022-02-17 |
| KR102149826B1 (ko) | 2020-08-31 |
| EP3901970A4 (en) | 2022-03-09 |
| EP3901970C0 (en) | 2025-03-05 |
| WO2020130639A1 (ko) | 2020-06-25 |
| JP2022514795A (ja) | 2022-02-15 |
| CN113243034B (zh) | 2024-06-04 |
| CN113243034A (zh) | 2021-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220212289A1 (en) | Grain-oriented electrical steel sheet and magnetic domain refinement method therefor | |
| KR102133909B1 (ko) | 방향성 전기강판 및 그의 제조 방법 | |
| KR20190078161A (ko) | 방향성 전기강판 및 그 자구미세화 방법 | |
| US20230060105A1 (en) | Grain-oriented electrical steel sheet and magnetic domain refinement method thereof | |
| KR102221606B1 (ko) | 방향성 전기강판 및 그의 제조 방법 | |
| KR20210079129A (ko) | 방향성 전기강판 및 그 자구미세화 방법 | |
| KR102149826B1 (ko) | 방향성 전기강판 및 그의 제조 방법 | |
| JP2026500398A (ja) | 方向性電磁鋼板及びその磁区微細化方法 | |
| JPH01281709A (ja) | コアロス減少のため電気用鋼において耐熱性の細分化磁区を得る方法 | |
| KR102133910B1 (ko) | 방향성 전기강판 및 그의 제조 방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| D13-X000 | Search requested |
St.27 status event code: A-1-2-D10-D13-srh-X000 |
|
| D14-X000 | Search report completed |
St.27 status event code: A-1-2-D10-D14-srh-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-3-3-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-3-3-R10-R18-oth-X000 |
|
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| E13-X000 | Pre-grant limitation requested |
St.27 status event code: A-2-3-E10-E13-lim-X000 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
| PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R14-asn-PN2301 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 5 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 6 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-OTH-PR1001 (AS PROVIDED BY THE NATIONAL OFFICE) Year of fee payment: 6 |
|
| R18 | Changes to party contact information recorded |
Free format text: ST27 STATUS EVENT CODE: A-5-5-R10-R18-OTH-X000 (AS PROVIDED BY THE NATIONAL OFFICE) |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |