KR101412363B1 - 무방향성 전기 강판 및 그 제조 방법 - Google Patents
무방향성 전기 강판 및 그 제조 방법 Download PDFInfo
- Publication number
- KR101412363B1 KR101412363B1 KR1020137017530A KR20137017530A KR101412363B1 KR 101412363 B1 KR101412363 B1 KR 101412363B1 KR 1020137017530 A KR1020137017530 A KR 1020137017530A KR 20137017530 A KR20137017530 A KR 20137017530A KR 101412363 B1 KR101412363 B1 KR 101412363B1
- Authority
- KR
- South Korea
- Prior art keywords
- less
- steel sheet
- strength
- oriented electrical
- amount
- Prior art date
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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
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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
- C21D8/1227—Warm 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
- C21D8/1266—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
- 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
-
- 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
-
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2011/001074 WO2012114383A1 (ja) | 2011-02-24 | 2011-02-24 | 無方向性電磁鋼板およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20130087611A KR20130087611A (ko) | 2013-08-06 |
KR101412363B1 true KR101412363B1 (ko) | 2014-06-25 |
Family
ID=46720208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020137017530A KR101412363B1 (ko) | 2011-02-24 | 2011-02-24 | 무방향성 전기 강판 및 그 제조 방법 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20130306200A1 (de) |
EP (1) | EP2679695B1 (de) |
KR (1) | KR101412363B1 (de) |
CN (1) | CN103392021B (de) |
BR (1) | BR112013020657B1 (de) |
CA (1) | CA2822206C (de) |
MX (1) | MX2013009670A (de) |
RU (1) | RU2536711C1 (de) |
WO (1) | WO2012114383A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020111640A1 (ko) * | 2018-11-29 | 2020-06-04 | 주식회사 포스코 | 낮은 철손 및 우수한 표면품질을 갖는 무방향성 전기강판 및 그 제조방법 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6319574B2 (ja) * | 2014-08-14 | 2018-05-09 | Jfeスチール株式会社 | 磁気特性に優れる無方向性電磁鋼板 |
WO2016063098A1 (en) * | 2014-10-20 | 2016-04-28 | Arcelormittal | Method of production of tin containing non grain-oriented silicon steel sheet, steel sheet obtained and use thereof |
WO2016121638A1 (ja) | 2015-01-26 | 2016-08-04 | 新日鐵住金株式会社 | 面形状不良発生領域推定方法、面形状不良原因領域推定方法、面形状不良発生領域推定装置、面形状不良原因領域推定装置、プログラム、及び、記録媒体 |
EP3272894B1 (de) * | 2015-03-17 | 2019-06-19 | Nippon Steel & Sumitomo Metal Corporation | Nicht orientiertes elektromagnetisches stahlblech sowie verfahren zur herstellung davon |
JP6725209B2 (ja) * | 2015-03-25 | 2020-07-15 | 日本製鉄株式会社 | モータ用高強度部材およびモータ用高強度部材の製造方法 |
JP6497176B2 (ja) * | 2015-03-31 | 2019-04-10 | 新日鐵住金株式会社 | ロータ用無方向性電磁鋼板及びロータ用無方向性電磁鋼板の製造方法 |
WO2017086036A1 (ja) | 2015-11-20 | 2017-05-26 | Jfeスチール株式会社 | 無方向性電磁鋼板の製造方法 |
JP6406522B2 (ja) * | 2015-12-09 | 2018-10-17 | Jfeスチール株式会社 | 無方向性電磁鋼板の製造方法 |
KR101701194B1 (ko) * | 2015-12-23 | 2017-02-01 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
KR101701195B1 (ko) * | 2015-12-23 | 2017-02-01 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
RU2686712C1 (ru) * | 2015-12-28 | 2019-04-30 | ДжФЕ СТИЛ КОРПОРЕЙШН | Лист из нетекстурированной электротехнической стали и способ изготовления листа из нетекстурированной электротехнической стали |
US11047018B2 (en) | 2016-07-29 | 2021-06-29 | Salzgitter Flachstahl Gmbh | Steel strip for producing a non-grain-oriented electrical steel, and method for producing such a steel strip |
TWI683009B (zh) | 2017-07-19 | 2020-01-21 | 日商日本製鐵股份有限公司 | 無方向性電磁鋼板 |
KR102012319B1 (ko) | 2017-12-26 | 2019-08-20 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
RU2692146C1 (ru) * | 2018-05-25 | 2019-06-21 | Олег Михайлович Губанов | Способ получения изотропной электротехнической стали |
JP7143900B2 (ja) * | 2018-11-02 | 2022-09-29 | 日本製鉄株式会社 | 無方向性電磁鋼板 |
CN112430778A (zh) * | 2019-08-26 | 2021-03-02 | 宝山钢铁股份有限公司 | 一种薄规格无取向电工钢板及其制造方法 |
WO2021084785A1 (ja) * | 2019-10-29 | 2021-05-06 | Jfeスチール株式会社 | 無方向性電磁鋼板およびその製造方法 |
CN111349742A (zh) * | 2020-03-17 | 2020-06-30 | 本钢板材股份有限公司 | 一种高效无取向硅钢的生产方法 |
WO2022113264A1 (ja) * | 2020-11-27 | 2022-06-02 | 日本製鉄株式会社 | 無方向性電磁鋼板およびその製造方法、ならびに熱延鋼板 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050084136A (ko) * | 2002-12-05 | 2005-08-26 | 제이에프이 스틸 가부시키가이샤 | 무방향성 전자강판 및 그 제조방법 |
JP2008240104A (ja) * | 2007-03-28 | 2008-10-09 | Jfe Steel Kk | 高強度無方向性電磁鋼板およびその製造方法 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5974257A (ja) * | 1982-10-20 | 1984-04-26 | Kawasaki Steel Corp | 鉄損の少ない無方向性珪素鋼板 |
JPS60238421A (ja) | 1984-05-10 | 1985-11-27 | Kawasaki Steel Corp | 高抗張力無方向性電磁鋼板の製造方法 |
JPS62112723A (ja) | 1985-11-09 | 1987-05-23 | Kawasaki Steel Corp | 高張力軟磁性鋼板の製造方法 |
RU2018542C1 (ru) * | 1988-01-29 | 1994-08-30 | Штальверке Пайне-Зальцгиттер АГ | Способ изготовления холоднокатаной ленты или листа и стальной лист |
JPH028346A (ja) | 1988-06-27 | 1990-01-11 | Nippon Steel Corp | 高張力電磁鋼板及びその製造方法 |
JP3305806B2 (ja) | 1993-05-21 | 2002-07-24 | 新日本製鐵株式会社 | 高張力無方向性電磁鋼板の製造方法 |
WO2003087420A1 (fr) * | 2002-03-28 | 2003-10-23 | Nippon Steel Corporation | Bande ou feuille d'acier magnetique laminee a chaud orientee possedant une tres grande adherence au revetement et procede de production de celle-ci |
US7470333B2 (en) * | 2003-05-06 | 2008-12-30 | Nippon Steel Corp. | Non-oriented electrical steel sheet excellent in core loss and manufacturing method thereof |
JP4546713B2 (ja) | 2003-10-06 | 2010-09-15 | 新日本製鐵株式会社 | 磁気特性に優れた高強度電磁鋼板の最終製品とその使用方法および製造方法 |
EP1816226B1 (de) * | 2004-11-04 | 2011-04-13 | Nippon Steel Corporation | Nichtorientiertes elektrostahlblech mit hervorragendem eisenverlust. |
US7922834B2 (en) * | 2005-07-07 | 2011-04-12 | Sumitomo Metal Industries, Ltd. | Non-oriented electrical steel sheet and production process thereof |
JP4779474B2 (ja) * | 2005-07-07 | 2011-09-28 | 住友金属工業株式会社 | 回転子用無方向性電磁鋼板およびその製造方法 |
JP5223190B2 (ja) | 2005-12-15 | 2013-06-26 | Jfeスチール株式会社 | 無方向性電磁鋼板およびその製造方法 |
JP5028992B2 (ja) * | 2005-12-15 | 2012-09-19 | Jfeスチール株式会社 | 無方向性電磁鋼板およびその製造方法 |
CN101310034B (zh) * | 2005-12-15 | 2011-12-28 | 杰富意钢铁株式会社 | 高强度无方向性电磁钢板及其制造方法 |
JP2009518546A (ja) * | 2005-12-27 | 2009-05-07 | ポスコ カンパニーリミテッド | 磁性に優れた無方向性電気鋼板およびその製造方法 |
RU2398894C1 (ru) * | 2006-06-16 | 2010-09-10 | Ниппон Стил Корпорейшн | Лист высокопрочной электротехнической стали и способ его производства |
JP5181439B2 (ja) * | 2006-07-26 | 2013-04-10 | Jfeスチール株式会社 | 無方向性電磁鋼板 |
EP2278034B1 (de) * | 2008-04-14 | 2020-02-12 | Nippon Steel Corporation | Hochfestes nichtorientiertes elektrostahlblech und verfahren zur herstellung desselben |
JP4681687B2 (ja) * | 2009-01-26 | 2011-05-11 | 新日本製鐵株式会社 | 無方向性電磁鋼板 |
JP5263012B2 (ja) * | 2009-06-03 | 2013-08-14 | 新日鐵住金株式会社 | 無方向性電磁鋼板およびその製造方法 |
JP4681689B2 (ja) * | 2009-06-03 | 2011-05-11 | 新日本製鐵株式会社 | 無方向性電磁鋼板及びその製造方法 |
JP4929484B2 (ja) * | 2009-08-26 | 2012-05-09 | Jfeスチール株式会社 | 無方向性電磁鋼板およびその製造方法 |
-
2011
- 2011-02-24 WO PCT/JP2011/001074 patent/WO2012114383A1/ja active Application Filing
- 2011-02-24 CA CA2822206A patent/CA2822206C/en active Active
- 2011-02-24 BR BR112013020657-8A patent/BR112013020657B1/pt not_active IP Right Cessation
- 2011-02-24 RU RU2013143127/02A patent/RU2536711C1/ru not_active IP Right Cessation
- 2011-02-24 US US13/981,955 patent/US20130306200A1/en not_active Abandoned
- 2011-02-24 EP EP11859212.0A patent/EP2679695B1/de not_active Not-in-force
- 2011-02-24 MX MX2013009670A patent/MX2013009670A/es active IP Right Grant
- 2011-02-24 CN CN201180068413.8A patent/CN103392021B/zh active Active
- 2011-02-24 KR KR1020137017530A patent/KR101412363B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050084136A (ko) * | 2002-12-05 | 2005-08-26 | 제이에프이 스틸 가부시키가이샤 | 무방향성 전자강판 및 그 제조방법 |
JP2008240104A (ja) * | 2007-03-28 | 2008-10-09 | Jfe Steel Kk | 高強度無方向性電磁鋼板およびその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020111640A1 (ko) * | 2018-11-29 | 2020-06-04 | 주식회사 포스코 | 낮은 철손 및 우수한 표면품질을 갖는 무방향성 전기강판 및 그 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
EP2679695A4 (de) | 2014-10-29 |
MX2013009670A (es) | 2013-10-28 |
EP2679695B1 (de) | 2016-05-18 |
BR112013020657B1 (pt) | 2019-07-09 |
CN103392021B (zh) | 2014-10-29 |
US20130306200A1 (en) | 2013-11-21 |
WO2012114383A1 (ja) | 2012-08-30 |
CA2822206A1 (en) | 2012-08-30 |
BR112013020657A2 (pt) | 2016-10-18 |
KR20130087611A (ko) | 2013-08-06 |
EP2679695A1 (de) | 2014-01-01 |
RU2536711C1 (ru) | 2014-12-27 |
CN103392021A (zh) | 2013-11-13 |
CA2822206C (en) | 2016-09-13 |
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