JPS5747829A - Production of unidirectional electrical steel plate of superior watt loss having crystal of (h, k, o)(001) bearing - Google Patents
Production of unidirectional electrical steel plate of superior watt loss having crystal of (h, k, o)(001) bearingInfo
- Publication number
- JPS5747829A JPS5747829A JP55120641A JP12064180A JPS5747829A JP S5747829 A JPS5747829 A JP S5747829A JP 55120641 A JP55120641 A JP 55120641A JP 12064180 A JP12064180 A JP 12064180A JP S5747829 A JPS5747829 A JP S5747829A
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- steel plate
- electrical steel
- unidirectional electrical
- watt loss
- 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
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
- C21D8/1294—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a localized treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
PURPOSE:To produce a titled unidirectional electrical steel plate of improved watt loss in a rolling direction by hot rolling a steel ingot or continuously cast slab contg. <=4.5% Si, then rolling the same with special grooved rolls during cooling followed by rolling with smooth rolls. CONSTITUTION:A steel ingot or continuously cast slab contg. <=0.08% C, 4.5%- substantially 0% Si, and a sulfide or nitride as a primary recrystallization grain suppressing agent is hot rolled, whereby a hot rolled coil is made. Next, this hot rolled coil is subjected to precipitation annealing at 950-1,200 deg.C as required then to primary quench rolling at 81-95% drafts. At this cold rolling, the coil is rolled with rolls having parallel grooves in the rolling direction for at least one pass of the initial period of cold rolling, and ordinary smooth rolls are used in the other passes. The pitch of such roll grooves is regulated at 1-10mm. and the depth at <=1mm.. As a result, the unidirectional electrical steel plate of superior watt loss having the crystals of (h, k, o)[001] bearing is obtained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55120641A JPS5855211B2 (en) | 1980-09-02 | 1980-09-02 | (h,k,o) Manufacturing method for unidirectional electrical steel sheet with crystals in [001] orientation and excellent iron loss |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55120641A JPS5855211B2 (en) | 1980-09-02 | 1980-09-02 | (h,k,o) Manufacturing method for unidirectional electrical steel sheet with crystals in [001] orientation and excellent iron loss |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5747829A true JPS5747829A (en) | 1982-03-18 |
JPS5855211B2 JPS5855211B2 (en) | 1983-12-08 |
Family
ID=14791242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55120641A Expired JPS5855211B2 (en) | 1980-09-02 | 1980-09-02 | (h,k,o) Manufacturing method for unidirectional electrical steel sheet with crystals in [001] orientation and excellent iron loss |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5855211B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4533409A (en) * | 1984-12-19 | 1985-08-06 | Allegheny Ludlum Steel Corporation | Method and apparatus for reducing core losses of grain-oriented silicon steel |
US4770720A (en) * | 1984-11-10 | 1988-09-13 | Nippon Steel Corporation | Method for producing a grain-oriented electrical steel sheet having a low watt-loss |
US5291941A (en) * | 1991-06-24 | 1994-03-08 | Nippondenso Co., Ltd. | Airconditioner having selectively operated condenser bypass control |
CN115747445A (en) * | 2022-11-15 | 2023-03-07 | 国网智能电网研究院有限公司 | Ultrathin cold-rolled oriented silicon steel and preparation method thereof |
-
1980
- 1980-09-02 JP JP55120641A patent/JPS5855211B2/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4770720A (en) * | 1984-11-10 | 1988-09-13 | Nippon Steel Corporation | Method for producing a grain-oriented electrical steel sheet having a low watt-loss |
US4533409A (en) * | 1984-12-19 | 1985-08-06 | Allegheny Ludlum Steel Corporation | Method and apparatus for reducing core losses of grain-oriented silicon steel |
JPS61149433A (en) * | 1984-12-19 | 1986-07-08 | アリゲニ− ラドラム ステイ−ル コ−ポレ−シヨン | Method and apparatus for reducing iron loss in crystal grainorientation type silicon steel |
JPH0525929B2 (en) * | 1984-12-19 | 1993-04-14 | Allegheny Int Inc | |
US5291941A (en) * | 1991-06-24 | 1994-03-08 | Nippondenso Co., Ltd. | Airconditioner having selectively operated condenser bypass control |
CN115747445A (en) * | 2022-11-15 | 2023-03-07 | 国网智能电网研究院有限公司 | Ultrathin cold-rolled oriented silicon steel and preparation method thereof |
CN115747445B (en) * | 2022-11-15 | 2023-09-12 | 国网智能电网研究院有限公司 | Ultrathin cold-rolled oriented silicon steel and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS5855211B2 (en) | 1983-12-08 |
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