JP4943559B2 - 方向性電磁鋼板の製造方法 - Google Patents
方向性電磁鋼板の製造方法 Download PDFInfo
- Publication number
- JP4943559B2 JP4943559B2 JP2011523633A JP2011523633A JP4943559B2 JP 4943559 B2 JP4943559 B2 JP 4943559B2 JP 2011523633 A JP2011523633 A JP 2011523633A JP 2011523633 A JP2011523633 A JP 2011523633A JP 4943559 B2 JP4943559 B2 JP 4943559B2
- Authority
- JP
- Japan
- Prior art keywords
- mass
- steel sheet
- grain
- content
- 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.)
- Active
Links
Images
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
- 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
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/04—Decarburising
-
- 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
- C21D8/1244—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
-
- 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
- C22C38/04—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
- C22C38/14—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- 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
- C23C8/02—Pretreatment of the material to be coated
-
- 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
- C23C8/80—After-treatment
-
- 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)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Description
前記熱間圧延鋼板の焼鈍を行って焼鈍鋼板を得る工程と、
前記焼鈍鋼板の冷間圧延を行って冷間圧延鋼板を得る工程と、
前記冷間圧延鋼板の脱炭焼鈍を800℃〜950℃の温度で行って脱炭焼鈍鋼板を得る工程と、
次いで、前記脱炭焼鈍鋼板の窒化処理を700℃〜850℃で行って窒化処理鋼板を得る工程と、
前記窒化処理鋼板の表面にMgOを主成分とする焼鈍分離剤を水スラリーにて塗布し、窒化処理鋼板をコイル状に巻き取り、バッチ式の仕上焼鈍を行う工程と、
を有することを特徴とする方向性電磁鋼板の製造方法。
(4) 前記鋼は、更に、Cr:0.20質量%以下、Sn:0.20質量%以下、Sb:0.010質量%〜0.20質量%、Ni:0.010質量%〜0.20質量%、Se:0.005質量%〜0.02質量%、Bi:0.005質量%〜0.02質量%、Pb:0.005質量%〜0.02質量%、B:0.005質量%〜0.02質量%、V:0.005質量%〜0.02質量%、Mo:0.005質量%〜0.02質量%、及びAs:0.005質量%〜0.02質量%からなる群から選択された少なくとも一種を含有することを特徴とする(1)又は(2)に記載の方向性電磁鋼板の製造方法。
(5) 前記鋼は、更に、Cr:0.010質量%〜0.20質量%及びSn:0.010質量%〜0.20質量%からなる群から選択された少なくとも一種を含有することを特徴とする(1)又は(2)に記載の方向性電磁鋼板の製造方法。
(6) 前記鋼は、更に、Cr:0.20質量%以下及びSn:0.20質量%以下からなる群から選択された少なくとも一種を含有することを特徴とする(1)又は(2)に記載の方向性電磁鋼板の製造方法。
前記鋼のCu含有量は0.01質量%〜0.10質量%であり、
前記鋼のTi含有量(質量%)を[Ti]、Cu含有量(質量%)を[Cu]と表したとき、「20×[Ti]+[Cu]≦0.18」の関係が成り立つことを特徴とする(1)〜(6)のいずれかに記載の方向性電磁鋼板の製造方法。
先ず、Si:3.2質量%、C:0.055質量%、Mn:0.10質量%、酸可溶性Al:0.028質量%、N:0.003質量%、S:0.0060質量%、及びP:0.030質量%を含有し、更に、表1に示す量のTi及びCuを含有し、残部がFe及び不可避的不純物からなる15種類の鋼塊を、真空溶解炉を用いて作製した。次いで、1150℃で鋼塊の焼鈍を1時間行い、その後、熱間圧延を行って厚さが2.3mmの熱間圧延鋼板を得た。
先ず、Si:3.2質量%、C:0.051質量%、Mn:0.09質量%、酸可溶性Al:0.026質量%、N:0.004質量%、S:0.0053質量%、P:0.027質量%、Ti:0.0024質量%、及びCu:0.029質量%を含有し、残部がFe及び不可避的不純物からなる鋼塊を、真空溶解炉を用いて作製した。次いで、1150℃で鋼塊の焼鈍を1時間行い、その後、熱間圧延を行って厚さが2.4mmの熱間圧延鋼板を得た。
先ず、Si:3.2質量%、Mn:0.09質量%、酸可溶性Al:0.026質量%、N:0.004質量%、S:0.0053質量%、及びP:0.027質量%を含有し、更に、表3に示す量のC、Ti及びCuを含有し、残部がFe及び不可避的不純物からなる20種類の鋼塊を、真空溶解炉を用いて作製した。次いで、1150℃で鋼塊の焼鈍を1時間行い、その後、熱間圧延を行って厚さが2.4mmの熱間圧延鋼板を得た。
先ず、Si:3.2質量%、C:0.048質量%、Mn:0.08質量%、酸可溶性Al:0.028質量%、N:0.004質量%、S:0.0061質量%、P:0.033質量%、Ti:0.0024質量%、及びCu:0.029質量%を含有し、更に、表4に示す量のCr及びSnを含有し、残部がFe及び不可避的不純物からなる10種類の鋼塊を、真空溶解炉を用いて作製した。次いで、1100℃で鋼塊の焼鈍を1時間行い、その後、熱間圧延を行って厚さが2.3mmの熱間圧延鋼板を得た。
Claims (8)
- Si:2.5質量%〜4.0質量%、C:0.01質量%〜0.060質量%、Mn:0.05質量%〜0.20質量%、酸可溶性Al:0.020質量%〜0.040質量%、N:0.002質量%〜0.012質量%、S:0.001質量%〜0.010質量%、及びP:0.01質量%〜0.08質量%を含有し、更に、Ti:0.0028質量%〜0.010質量%及びCu:0.010質量%〜0.50質量%を含有し、残部がFe及び不可避的不純物からなる鋼の熱間圧延を行って熱間圧延鋼板を得る工程と、
前記熱間圧延鋼板の焼鈍を行って焼鈍鋼板を得る工程と、
前記焼鈍鋼板の冷間圧延を行って冷間圧延鋼板を得る工程と、
前記冷間圧延鋼板の脱炭焼鈍を800℃〜950℃の温度で行って脱炭焼鈍鋼板を得る工程と、
次いで、前記脱炭焼鈍鋼板の窒化処理を700℃〜850℃で行って窒化処理鋼板を得る工程と、
前記窒化処理鋼板の表面にMgOを主成分とする焼鈍分離剤を水スラリーにて塗布し、窒化処理鋼板をコイル状に巻き取り、バッチ式の仕上焼鈍を行う工程と、
を有することを特徴とする方向性電磁鋼板の製造方法。 - 前記鋼の熱間圧延を、前記鋼を1250℃以下の温度に加熱してから行うことを特徴とする請求項1に記載の方向性電磁鋼板の製造方法。
- 前記鋼は、更に、Cr:0.010質量%〜0.20質量%、Sn:0.010質量%〜0.20質量%、Sb:0.010質量%〜0.20質量%、Ni:0.010質量%〜0.20質量%、Se:0.005質量%〜0.02質量%、Bi:0.005質量%〜0.02質量%、Pb:0.005質量%〜0.02質量%、B:0.005質量%〜0.02質量%、V:0.005質量%〜0.02質量%、Mo:0.005質量%〜0.02質量%、及びAs:0.005質量%〜0.02質量%からなる群から選択された少なくとも一種を含有することを特徴とする請求項1又は2に記載の方向性電磁鋼板の製造方法。
- 前記鋼は、更に、Cr:0.20質量%以下、Sn:0.20質量%以下、Sb:0.010質量%〜0.20質量%、Ni:0.010質量%〜0.20質量%、Se:0.005質量%〜0.02質量%、Bi:0.005質量%〜0.02質量%、Pb:0.005質量%〜0.02質量%、B:0.005質量%〜0.02質量%、V:0.005質量%〜0.02質量%、Mo:0.005質量%〜0.02質量%、及びAs:0.005質量%〜0.02質量%からなる群から選択された少なくとも一種を含有することを特徴とする請求項1又は2に記載の方向性電磁鋼板の製造方法。
- 前記鋼は、更に、Cr:0.010質量%〜0.20質量%及びSn:0.010質量%〜0.20質量%からなる群から選択された少なくとも一種を含有することを特徴とする請求項1又は2に記載の方向性電磁鋼板の製造方法。
- 前記鋼は、更に、Cr:0.20質量%以下及びSn:0.20質量%以下からなる群から選択された少なくとも一種を含有することを特徴とする請求項1又は2に記載の方向性電磁鋼板の製造方法。
- 前記鋼のTi含有量は0.0028質量%〜0.0080質量%であり、
前記鋼のCu含有量は0.01質量%〜0.10質量%であり、
前記鋼のTi含有量(質量%)を[Ti]、Cu含有量(質量%)を[Cu]と表したとき、「20×[Ti]+[Cu]≦0.18」の関係が成り立つことを特徴とする請求項1乃至6のいずれか1項に記載の方向性電磁鋼板の製造方法。 - 「10×[Ti]+[Cu]≦0.07」の関係が成り立つことを特徴とする請求項7に記載の方向性電磁鋼板の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011523633A JP4943559B2 (ja) | 2010-02-18 | 2011-02-18 | 方向性電磁鋼板の製造方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010033921 | 2010-02-18 | ||
JP2010033921 | 2010-02-18 | ||
JP2011523633A JP4943559B2 (ja) | 2010-02-18 | 2011-02-18 | 方向性電磁鋼板の製造方法 |
PCT/JP2011/053491 WO2011102456A1 (ja) | 2010-02-18 | 2011-02-18 | 方向性電磁鋼板の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP4943559B2 true JP4943559B2 (ja) | 2012-05-30 |
JPWO2011102456A1 JPWO2011102456A1 (ja) | 2013-06-17 |
Family
ID=44483041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011523633A Active JP4943559B2 (ja) | 2010-02-18 | 2011-02-18 | 方向性電磁鋼板の製造方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20120312423A1 (ja) |
EP (1) | EP2537947B1 (ja) |
JP (1) | JP4943559B2 (ja) |
KR (2) | KR20120118504A (ja) |
CN (1) | CN102762752B (ja) |
BR (1) | BR112012020741B1 (ja) |
PL (1) | PL2537947T3 (ja) |
WO (1) | WO2011102456A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103741031B (zh) * | 2013-12-27 | 2016-01-20 | 钢铁研究总院 | 薄板坯连铸连轧含钒普通取向硅钢及其制造方法 |
US10900113B2 (en) | 2014-09-04 | 2021-01-26 | Jfe Steel Corporation | Method for manufacturing grain-oriented electrical steel sheet, and nitriding apparatus |
WO2017057487A1 (ja) * | 2015-09-28 | 2017-04-06 | 新日鐵住金株式会社 | 方向性電磁鋼板及び方向性電磁鋼板用の熱延鋼板 |
KR101676630B1 (ko) * | 2015-11-10 | 2016-11-16 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
RU2727435C1 (ru) * | 2017-07-13 | 2020-07-21 | Ниппон Стил Корпорейшн | Лист анизотропной электротехнической стали |
WO2019013348A1 (ja) * | 2017-07-13 | 2019-01-17 | 新日鐵住金株式会社 | 方向性電磁鋼板 |
JP6946847B2 (ja) * | 2017-08-17 | 2021-10-13 | 日本製鉄株式会社 | 方向性電磁鋼板の製造方法 |
JP6946846B2 (ja) * | 2017-08-17 | 2021-10-13 | 日本製鉄株式会社 | 方向性電磁鋼板の製造方法 |
KR102099866B1 (ko) * | 2017-12-26 | 2020-04-10 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조방법 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01301820A (ja) * | 1988-02-03 | 1989-12-06 | Nippon Steel Corp | 磁束密度の高い一方向性珪素鋼板の製造方法 |
JPH02200733A (ja) * | 1989-01-31 | 1990-08-09 | Nippon Steel Corp | 高磁束密度方向性電磁鋼板の製造方法 |
JPH06228646A (ja) * | 1992-12-08 | 1994-08-16 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の安定製造方法 |
JPH08279408A (ja) * | 1995-04-07 | 1996-10-22 | Nippon Steel Corp | 磁気特性が優れた一方向性電磁鋼板の製造方法 |
JP2005226111A (ja) * | 2004-02-12 | 2005-08-25 | Nippon Steel Corp | 磁気特性に優れた一方向性電磁鋼板の製造方法 |
JP2007254829A (ja) * | 2006-03-23 | 2007-10-04 | Nippon Steel Corp | 磁気特性が優れた高Si含有方向性電磁鋼板の製造方法 |
JP2009256713A (ja) * | 2008-04-15 | 2009-11-05 | Nippon Steel Corp | 方向性電磁鋼板の製造方法 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3276923A (en) * | 1961-04-17 | 1966-10-04 | Gen Electric | Reduction in magnetic losses in electrical induction apparatus |
GB1261945A (en) * | 1968-04-24 | 1972-01-26 | Kobe Steel Ltd | A method for producing a mono-directional silicon steel sheet |
US4202711A (en) * | 1978-10-18 | 1980-05-13 | Armco, Incl. | Process for producing oriented silicon iron from strand cast slabs |
JPS5956522A (ja) * | 1982-09-24 | 1984-04-02 | Nippon Steel Corp | 鉄損の良い一方向性電磁鋼板の製造方法 |
JPS6240315A (ja) * | 1985-08-15 | 1987-02-21 | Nippon Steel Corp | 磁束密度の高い一方向性珪素鋼板の製造方法 |
DE68916980T2 (de) * | 1988-02-03 | 1994-11-17 | Nippon Steel Corp | Verfahren zum Herstellen kornorientierter Elektrostahlbleche mit hoher Flussdichte. |
US5759293A (en) * | 1989-01-07 | 1998-06-02 | Nippon Steel Corporation | Decarburization-annealed steel strip as an intermediate material for grain-oriented electrical steel strip |
US5186762A (en) * | 1989-03-30 | 1993-02-16 | Nippon Steel Corporation | Process for producing grain-oriented electrical steel sheet having high magnetic flux density |
JPH0774388B2 (ja) * | 1989-09-28 | 1995-08-09 | 新日本製鐵株式会社 | 磁束密度の高い一方向性珪素鋼板の製造方法 |
JPH03122227A (ja) | 1989-10-05 | 1991-05-24 | Nippon Steel Corp | 方向性電磁鋼板の脱炭連続焼鈍炉 |
JPH07122096B2 (ja) * | 1990-11-07 | 1995-12-25 | 新日本製鐵株式会社 | 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法 |
JP2620438B2 (ja) * | 1991-10-28 | 1997-06-11 | 新日本製鐵株式会社 | 磁束密度の高い一方向性電磁鋼板の製造方法 |
US5288736A (en) * | 1992-11-12 | 1994-02-22 | Armco Inc. | Method for producing regular grain oriented electrical steel using a single stage cold reduction |
JPH06256847A (ja) | 1993-03-03 | 1994-09-13 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
JP2951852B2 (ja) * | 1994-09-30 | 1999-09-20 | 川崎製鉄株式会社 | 磁気特性に優れる一方向性珪素鋼板の製造方法 |
IT1290977B1 (it) | 1997-03-14 | 1998-12-14 | Acciai Speciali Terni Spa | Procedimento per il controllo dell'inibizione nella produzione di lamierino magnetico a grano orientato |
JP3481491B2 (ja) | 1998-03-30 | 2003-12-22 | 新日本製鐵株式会社 | 磁気特性に優れた一方向性電磁鋼板の製造方法 |
JP4261633B2 (ja) | 1998-05-11 | 2009-04-30 | 新日本製鐵株式会社 | 一方向性電磁鋼板の製造方法 |
EP1162280B1 (en) * | 2000-06-05 | 2013-08-07 | Nippon Steel & Sumitomo Metal Corporation | Method for producing a grain-oriented electrical steel sheet excellent in magnetic properties |
KR100953755B1 (ko) * | 2005-06-10 | 2010-04-19 | 신닛뽄세이테쯔 카부시키카이샤 | 자기 특성이 극히 우수한 방향성 전자강판의 제조 방법 |
JP4916847B2 (ja) * | 2006-11-21 | 2012-04-18 | 新日本製鐵株式会社 | 一方向性電磁鋼板の製造方法 |
CN101775547B (zh) * | 2009-12-31 | 2012-11-21 | 武汉钢铁(集团)公司 | 高磁感取向硅钢带的生产方法 |
-
2011
- 2011-02-18 WO PCT/JP2011/053491 patent/WO2011102456A1/ja active Application Filing
- 2011-02-18 JP JP2011523633A patent/JP4943559B2/ja active Active
- 2011-02-18 BR BR112012020741-5A patent/BR112012020741B1/pt active IP Right Grant
- 2011-02-18 CN CN201180009920.4A patent/CN102762752B/zh active Active
- 2011-02-18 PL PL11744742T patent/PL2537947T3/pl unknown
- 2011-02-18 EP EP11744742.5A patent/EP2537947B1/en active Active
- 2011-02-18 US US13/579,684 patent/US20120312423A1/en not_active Abandoned
- 2011-02-18 KR KR1020127024187A patent/KR20120118504A/ko active Application Filing
- 2011-02-18 KR KR1020137026864A patent/KR101389248B1/ko active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01301820A (ja) * | 1988-02-03 | 1989-12-06 | Nippon Steel Corp | 磁束密度の高い一方向性珪素鋼板の製造方法 |
JPH02200733A (ja) * | 1989-01-31 | 1990-08-09 | Nippon Steel Corp | 高磁束密度方向性電磁鋼板の製造方法 |
JPH06228646A (ja) * | 1992-12-08 | 1994-08-16 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の安定製造方法 |
JPH08279408A (ja) * | 1995-04-07 | 1996-10-22 | Nippon Steel Corp | 磁気特性が優れた一方向性電磁鋼板の製造方法 |
JP2005226111A (ja) * | 2004-02-12 | 2005-08-25 | Nippon Steel Corp | 磁気特性に優れた一方向性電磁鋼板の製造方法 |
JP2007254829A (ja) * | 2006-03-23 | 2007-10-04 | Nippon Steel Corp | 磁気特性が優れた高Si含有方向性電磁鋼板の製造方法 |
JP2009256713A (ja) * | 2008-04-15 | 2009-11-05 | Nippon Steel Corp | 方向性電磁鋼板の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2537947A4 (en) | 2017-07-26 |
JPWO2011102456A1 (ja) | 2013-06-17 |
CN102762752A (zh) | 2012-10-31 |
EP2537947A1 (en) | 2012-12-26 |
KR101389248B1 (ko) | 2014-04-24 |
BR112012020741B1 (pt) | 2022-07-19 |
US20120312423A1 (en) | 2012-12-13 |
EP2537947B1 (en) | 2018-12-19 |
WO2011102456A1 (ja) | 2011-08-25 |
PL2537947T3 (pl) | 2019-05-31 |
CN102762752B (zh) | 2016-04-13 |
BR112012020741A2 (pt) | 2016-08-23 |
KR20120118504A (ko) | 2012-10-26 |
KR20130119516A (ko) | 2013-10-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4943559B2 (ja) | 方向性電磁鋼板の製造方法 | |
JP4943560B2 (ja) | 方向性電磁鋼板の製造方法 | |
JP5439866B2 (ja) | 著しく磁束密度が高い方向性電磁鋼板の製造方法 | |
JP5423909B1 (ja) | 方向性電磁鋼板の製造方法 | |
JP5031934B2 (ja) | 方向性電磁鋼板の製造方法 | |
US9953752B2 (en) | Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet | |
JP5757693B2 (ja) | 低鉄損一方向性電磁鋼板の製造方法 | |
JP4608562B2 (ja) | 著しく磁束密度が高い方向性電磁鋼板の製造方法 | |
JP4608514B2 (ja) | 著しく磁束密度が高い方向性電磁鋼板の製造方法 | |
JP6079580B2 (ja) | 方向性電磁鋼板の製造方法 | |
JP5862582B2 (ja) | 方向性電磁鋼板の製造方法および方向性電磁鋼板並びに方向性電磁鋼板用表面ガラスコーティング | |
JP6690244B2 (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 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: 20120207 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120229 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 4943559 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150309 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150309 Year of fee payment: 3 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150309 Year of fee payment: 3 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
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 |