MX2020007830A - Metodo para fabricar acero de silicio orientado a los granos de baja perdida de hierro con alivio de estres resistente al templado. - Google Patents
Metodo para fabricar acero de silicio orientado a los granos de baja perdida de hierro con alivio de estres resistente al templado.Info
- Publication number
- MX2020007830A MX2020007830A MX2020007830A MX2020007830A MX2020007830A MX 2020007830 A MX2020007830 A MX 2020007830A MX 2020007830 A MX2020007830 A MX 2020007830A MX 2020007830 A MX2020007830 A MX 2020007830A MX 2020007830 A MX2020007830 A MX 2020007830A
- Authority
- MX
- Mexico
- Prior art keywords
- silicon steel
- pulse laser
- beam spot
- annealing
- î1⁄4m
- Prior art date
Links
Classifications
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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
- 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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- 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
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- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/0604—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams
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- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
-
- 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
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- 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
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
-
- 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
- C21D1/30—Stress-relieving
-
- 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 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
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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
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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
- C21D8/1255—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
- C21D8/1272—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
-
- 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
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- 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
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
- Laser Beam Processing (AREA)
Abstract
Se describe un método para fabricar acero de silicio orientado a los granos de baja pérdida de hierro con alivio de estrés resistente al templado, el método que comprende: llevar a cabo, por medio de un láser de pulso, el ranurado por barrido en una sola superficie o dos superficies de una lámina de acero de silicio después del laminado en frío, o después del templado de descarburación, o después del templado a alta temperatura o después del estiramiento en caliente, laminado y templado, y formar varias ranuras paralelas entre sí en una dirección de laminado de la lámina de acero de silicio, en donde un ancho tiempo de pulso único del pulso láser es de 100 ns o menos, y la densidad de energía máxima de un pulso es de 0.05 J/cm2 o más; la densidad de energía de un solo barrido de un solo haz láser es de 1 J/cm2 a 100 J/cm2; un haz puntual del láser de pulso es un haz puntual único o una combinación de una pluralidad de haces puntuales, la forma del haz puntual es circular o elíptica, y el diámetro del haz puntual en una dirección de barrido es de 5 µm a 1 mm, y su diámetro en una dirección perpendicular a la dirección de barrido es de 5 µm a 300 µm; y cuando la ranura de barrido se lleva a cabo en la misma posición en la lámina de acero de silicio, el producto de la cantidad de haces puntuales del láser de pulso y los tiempos de barrido son 5 o más.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810095479.XA CN110093486B (zh) | 2018-01-31 | 2018-01-31 | 一种耐消除应力退火的低铁损取向硅钢的制造方法 |
PCT/CN2018/092077 WO2019148742A1 (zh) | 2018-01-31 | 2018-06-21 | 一种耐消除应力退火的低铁损取向硅钢的制造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2020007830A true MX2020007830A (es) | 2020-09-25 |
Family
ID=67442820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2020007830A MX2020007830A (es) | 2018-01-31 | 2018-06-21 | Metodo para fabricar acero de silicio orientado a los granos de baja perdida de hierro con alivio de estres resistente al templado. |
Country Status (10)
Country | Link |
---|---|
US (1) | US11459634B2 (es) |
EP (1) | EP3748019B1 (es) |
JP (1) | JP7210598B2 (es) |
KR (1) | KR102507090B1 (es) |
CN (1) | CN110093486B (es) |
BR (1) | BR112020015012B1 (es) |
CA (1) | CA3088327C (es) |
MX (1) | MX2020007830A (es) |
RU (1) | RU2746618C1 (es) |
WO (1) | WO2019148742A1 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7031794B2 (ja) * | 2019-11-18 | 2022-03-08 | 住友金属鉱山株式会社 | 磁歪部材及び磁歪部材の製造方法 |
RU2764777C1 (ru) * | 2021-01-26 | 2022-01-21 | Федеральное государственное бюджетное учреждение науки Институт электрофизики и электроэнергетики Российской академии наук (ИЭЭ РАН) | Способ обработки поверхности цветного металла путем формирования микрорельефа |
CN113564321B (zh) * | 2021-07-09 | 2024-04-12 | 首钢智新迁安电磁材料有限公司 | 一种取向硅钢的磁畴细化方法及应用 |
JP7053933B1 (ja) | 2021-08-31 | 2022-04-12 | Dmg森精機株式会社 | ワーク加工方法およびレーザ加工機 |
CN113960085A (zh) * | 2021-09-22 | 2022-01-21 | 中国工程物理研究院激光聚变研究中心 | 一种有色金属多晶材料晶粒尺寸的高效测量方法 |
CN113957222B (zh) * | 2021-10-26 | 2023-06-30 | 无锡普天铁心股份有限公司 | 一种降低取向硅钢铁损的方法 |
CN117415448A (zh) * | 2022-07-11 | 2024-01-19 | 宝山钢铁股份有限公司 | 一种用于低铁损取向硅钢板的激光刻痕方法及取向硅钢板 |
CN115519226B (zh) * | 2022-11-28 | 2023-02-28 | 中国航空制造技术研究院 | 一种提高电子束熔丝成形制件精度的成形装置及方法 |
CN115767937B (zh) * | 2022-12-07 | 2023-07-21 | 广东工业大学 | 一种基于减成法原理的精细线路修复方法 |
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JPS60103183A (ja) | 1983-11-09 | 1985-06-07 | Kawasaki Steel Corp | 歪取り焼鈍によつて特性が劣化しない低鉄損の方向性けい素鋼板およびその製造方法 |
JPS61117218A (ja) | 1984-11-10 | 1986-06-04 | Nippon Steel Corp | 低鉄損一方向性電磁鋼板の製造方法 |
GB2208871B (en) * | 1987-08-22 | 1991-03-27 | British Steel Plc | Processing grain-oriented "electrical" steel |
IN171547B (es) | 1988-03-25 | 1992-11-14 | Armco Advanced Materials | |
US5146063A (en) | 1988-10-26 | 1992-09-08 | Kawasaki Steel Corporation | Low iron loss grain oriented silicon steel sheets and method of producing the same |
JP2563729B2 (ja) | 1992-08-07 | 1996-12-18 | 新日本製鐵株式会社 | パルスco2レーザを用いた方向性電磁鋼板の鉄損改善方法および装置 |
US5296051A (en) | 1993-02-11 | 1994-03-22 | Kawasaki Steel Corporation | Method of producing low iron loss grain-oriented silicon steel sheet having low-noise and superior shape characteristics |
EP0870843A1 (en) * | 1995-12-27 | 1998-10-14 | Nippon Steel Corporation | Magnetic steel sheet having excellent magnetic properties and method for manufacturing the same |
EP1342818B1 (en) | 2002-03-04 | 2016-09-07 | Nippon Steel & Sumitomo Metal Corporation | Method and apparatus for indirect-electrification-type continuous electrolytic etching of metal strip |
JP4398666B2 (ja) | 2002-05-31 | 2010-01-13 | 新日本製鐵株式会社 | 磁気特性の優れた一方向性電磁鋼板およびその製造方法 |
WO2011007771A1 (ja) * | 2009-07-13 | 2011-01-20 | 新日本製鐵株式会社 | 方向性電磁鋼板の製造方法 |
CN102834529A (zh) | 2010-04-01 | 2012-12-19 | 新日本制铁株式会社 | 方向性电磁钢板及其制造方法 |
BR112013002087B1 (pt) * | 2010-07-28 | 2021-03-23 | Nippon Steel Corporation | Chapa de aço elétrico com grão orientado e método de produção da mesma |
CN104099458B (zh) | 2010-09-09 | 2016-05-11 | 新日铁住金株式会社 | 方向性电磁钢板的制造方法 |
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CA2860667C (en) * | 2012-01-12 | 2020-04-28 | Nucor Corporation | Electrical steel processing without a post cold-rolling intermediate anneal |
US9761360B2 (en) * | 2012-03-29 | 2017-09-12 | Jfe Steel Corporation | Method of manufacturing grain oriented electrical steel sheet |
EP3205738B1 (en) * | 2014-10-06 | 2019-02-27 | JFE Steel Corporation | Low-core-loss grain-oriented electromagnetic steel sheet and method for manufacturing same |
CN106282512B (zh) * | 2015-05-11 | 2018-03-30 | 宝山钢铁股份有限公司 | 低噪音变压器用取向硅钢片制造方法 |
KR101659350B1 (ko) | 2016-02-11 | 2016-09-23 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
CN105925884B (zh) * | 2016-05-30 | 2018-03-09 | 宝山钢铁股份有限公司 | 一种高磁感、低铁损无取向硅钢片及其制造方法 |
CN107502723A (zh) * | 2017-09-15 | 2017-12-22 | 武汉钢铁有限公司 | 通过激光双面刻痕降低取向硅钢铁损的方法 |
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2018
- 2018-01-31 CN CN201810095479.XA patent/CN110093486B/zh active Active
- 2018-06-21 WO PCT/CN2018/092077 patent/WO2019148742A1/zh unknown
- 2018-06-21 MX MX2020007830A patent/MX2020007830A/es unknown
- 2018-06-21 US US16/963,334 patent/US11459634B2/en active Active
- 2018-06-21 JP JP2020540629A patent/JP7210598B2/ja active Active
- 2018-06-21 CA CA3088327A patent/CA3088327C/en active Active
- 2018-06-21 BR BR112020015012-6A patent/BR112020015012B1/pt active IP Right Grant
- 2018-06-21 RU RU2020125368A patent/RU2746618C1/ru active
- 2018-06-21 EP EP18904474.6A patent/EP3748019B1/en active Active
- 2018-06-21 KR KR1020207020333A patent/KR102507090B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
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WO2019148742A1 (zh) | 2019-08-08 |
BR112020015012B1 (pt) | 2023-05-02 |
EP3748019A4 (en) | 2021-05-12 |
JP2021512218A (ja) | 2021-05-13 |
RU2746618C1 (ru) | 2021-04-19 |
CN110093486B (zh) | 2021-08-17 |
KR20200096298A (ko) | 2020-08-11 |
CA3088327C (en) | 2022-03-08 |
CA3088327A1 (en) | 2019-08-08 |
EP3748019A1 (en) | 2020-12-09 |
CN110093486A (zh) | 2019-08-06 |
US11459634B2 (en) | 2022-10-04 |
BR112020015012A2 (pt) | 2021-01-19 |
KR102507090B1 (ko) | 2023-03-07 |
JP7210598B2 (ja) | 2023-01-23 |
EP3748019B1 (en) | 2022-06-15 |
US20200362433A1 (en) | 2020-11-19 |
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