CA2068592A1 - Method of producing grain-oriented electrical steel sheets or strips - Google Patents
Method of producing grain-oriented electrical steel sheets or stripsInfo
- Publication number
- CA2068592A1 CA2068592A1 CA002068592A CA2068592A CA2068592A1 CA 2068592 A1 CA2068592 A1 CA 2068592A1 CA 002068592 A CA002068592 A CA 002068592A CA 2068592 A CA2068592 A CA 2068592A CA 2068592 A1 CA2068592 A1 CA 2068592A1
- Authority
- CA
- Canada
- Prior art keywords
- strip
- annealing
- temperature
- range
- cold rolling
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 229910001224 Grain-oriented electrical steel Inorganic materials 0.000 title claims abstract description 12
- 238000000137 annealing Methods 0.000 claims abstract description 87
- 238000005097 cold rolling Methods 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 238000005262 decarbonization Methods 0.000 claims abstract description 7
- 238000001953 recrystallisation Methods 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 239000012298 atmosphere Substances 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000005098 hot rolling Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000005204 segregation Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000005496 tempering Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 21
- 230000010287 polarization Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 150000001247 metal acetylides Chemical class 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 229910000976 Electrical steel Inorganic materials 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 101100073738 Escherichia coli (strain K12) kgtP gene Proteins 0.000 description 1
- OZBZONOEYUBXTD-UHFFFAOYSA-N OOOOOOOOO Chemical compound OOOOOOOOO OZBZONOEYUBXTD-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000005417 remagnetization Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/28—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by cold-rolling, e.g. Steckel cold mill
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4116240A DE4116240A1 (de) | 1991-05-17 | 1991-05-17 | Verfahren zur herstellung von kornorientierten elektroblechen |
| DEP4116240.4-24 | 1991-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2068592A1 true CA2068592A1 (en) | 1992-11-18 |
Family
ID=6431924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002068592A Abandoned CA2068592A1 (en) | 1991-05-17 | 1992-05-13 | Method of producing grain-oriented electrical steel sheets or strips |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0513729A1 (ja) |
| JP (1) | JPH0797629A (ja) |
| KR (1) | KR920021230A (ja) |
| CN (1) | CN1069288A (ja) |
| BR (1) | BR9201867A (ja) |
| CA (1) | CA2068592A1 (ja) |
| CS (1) | CS146992A3 (ja) |
| DE (1) | DE4116240A1 (ja) |
| PL (1) | PL294562A1 (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4311151C1 (de) * | 1993-04-05 | 1994-07-28 | Thyssen Stahl Ag | Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten |
| US6309473B1 (en) * | 1998-10-09 | 2001-10-30 | Kawasaki Steel Corporation | Method of making grain-oriented magnetic steel sheet having low iron loss |
| CN101432450B (zh) * | 2006-05-24 | 2011-05-25 | 新日本制铁株式会社 | 高磁通密度的方向性电磁钢板的制造方法 |
| CN102962267B (zh) * | 2012-11-27 | 2014-09-03 | 南京钢铁股份有限公司 | 一种防止小规格弹簧钢脱碳的控制冷却工艺 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5920745B2 (ja) * | 1980-08-27 | 1984-05-15 | 川崎製鉄株式会社 | 鉄損の極めて低い一方向性珪素鋼板とその製造方法 |
| DE3382043D1 (de) * | 1982-08-18 | 1991-01-17 | Kawasaki Steel Co | Verfahren zum herstellen kornorientierter bleche oder baender aus siliziumstahl mit hoher magnetischer induktion und geringen eisenverlusten. |
| US4478653A (en) * | 1983-03-10 | 1984-10-23 | Armco Inc. | Process for producing grain-oriented silicon steel |
| DE3666229D1 (en) * | 1985-02-22 | 1989-11-16 | Kawasaki Steel Co | Extra-low iron loss grain oriented silicon steel sheets |
| US4975127A (en) * | 1987-05-11 | 1990-12-04 | Kawasaki Steel Corp. | Method of producing grain oriented silicon steel sheets having magnetic properties |
-
1991
- 1991-05-17 DE DE4116240A patent/DE4116240A1/de active Granted
-
1992
- 1992-05-12 EP EP92107972A patent/EP0513729A1/de not_active Withdrawn
- 1992-05-13 CA CA002068592A patent/CA2068592A1/en not_active Abandoned
- 1992-05-14 JP JP4146769A patent/JPH0797629A/ja active Pending
- 1992-05-15 CS CS921469A patent/CS146992A3/cs unknown
- 1992-05-15 PL PL29456292A patent/PL294562A1/xx unknown
- 1992-05-16 CN CN92104298A patent/CN1069288A/zh active Pending
- 1992-05-16 KR KR1019920008320A patent/KR920021230A/ko not_active Application Discontinuation
- 1992-05-18 BR BR929201867A patent/BR9201867A/pt not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0797629A (ja) | 1995-04-11 |
| DE4116240A1 (de) | 1992-11-19 |
| DE4116240C2 (ja) | 1993-07-08 |
| PL294562A1 (ja) | 1993-02-08 |
| KR920021230A (ko) | 1992-12-18 |
| EP0513729A1 (de) | 1992-11-19 |
| CS146992A3 (en) | 1992-11-18 |
| CN1069288A (zh) | 1993-02-24 |
| BR9201867A (pt) | 1993-01-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |