JPS5573819A - Production of cold rolled non-directional electromagnetic steel plate of superior high magnetic field iron loss - Google Patents
Production of cold rolled non-directional electromagnetic steel plate of superior high magnetic field iron lossInfo
- Publication number
- JPS5573819A JPS5573819A JP14458878A JP14458878A JPS5573819A JP S5573819 A JPS5573819 A JP S5573819A JP 14458878 A JP14458878 A JP 14458878A JP 14458878 A JP14458878 A JP 14458878A JP S5573819 A JPS5573819 A JP S5573819A
- Authority
- JP
- Japan
- Prior art keywords
- steel plate
- partial pressure
- magnetic field
- high magnetic
- iron 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
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)
- Chemical Treatment Of Metals (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
PURPOSE:To produce the captioned steel plate by coating inorganic colloidal material on the surfaces of the cold-rolled steel plate containing the respectively specific amounts of C, Si, SolAl, and subjecting the same to continuous bright annealing in an atmosphere whose moisture partial pressure/hydrogen partial pressure are of the specific ratio or less. CONSTITUTION:After the steel containing C; <=0.005%, Si; 1.0-3.5%, SolAl; 0.1-3.0% is cold-rolled, an aqueous solution or alcohol solution of inorganic colloidal material such as, e.g., colloidal silica or colloidal alumina in sprayed or coated on the surfaces thereof and is then dried in that state, after which the steel plate is subjected to heat treatment. The coating amount of this time is made 0.1-2.0g/m<2>. In performing heat treatment for the purpose of recrystallization, the use of the atmosphere which is composed of several % to several tens % of hydrogen and the rest of nitrogen and is of 0.10 or less in the ratio of moisture partial pressure/hydrogen partial pressure as an annealing atmosphere enables the non-directional electromagnetic steel plate of superior high magnetic field iron loss where internal oxide layers do not substantially exist to be obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14458878A JPS5573819A (en) | 1978-11-22 | 1978-11-22 | Production of cold rolled non-directional electromagnetic steel plate of superior high magnetic field iron loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14458878A JPS5573819A (en) | 1978-11-22 | 1978-11-22 | Production of cold rolled non-directional electromagnetic steel plate of superior high magnetic field iron loss |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5573819A true JPS5573819A (en) | 1980-06-03 |
| JPS5745452B2 JPS5745452B2 (en) | 1982-09-28 |
Family
ID=15365577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14458878A Granted JPS5573819A (en) | 1978-11-22 | 1978-11-22 | Production of cold rolled non-directional electromagnetic steel plate of superior high magnetic field iron loss |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5573819A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5893823A (en) * | 1981-12-01 | 1983-06-03 | Kawasaki Steel Corp | Production of unidirectional silicon steel which permits easy finishing to specular surface |
| US6428632B1 (en) | 1999-11-26 | 2002-08-06 | Kawasaki Steel Corporation | Non-oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability |
| KR100435456B1 (en) * | 1999-11-30 | 2004-06-10 | 주식회사 포스코 | A method for manufacturing low temperature reheated grain-oriented electrical steel sheet having no glass film |
| JP2011219795A (en) * | 2010-04-06 | 2011-11-04 | Nippon Steel Corp | Non-oriented electrical steel sheet having excellent high frequency core loss, and method of producing the same |
| JP5073853B2 (en) * | 2010-02-18 | 2012-11-14 | 新日本製鐵株式会社 | Non-oriented electrical steel sheet and manufacturing method thereof |
| WO2013134895A1 (en) | 2012-03-15 | 2013-09-19 | 宝山钢铁股份有限公司 | Non-oriented electrical steel plate and manufacturing process therefor |
| JP2018154853A (en) * | 2017-03-15 | 2018-10-04 | 新日鐵住金株式会社 | Non-oriented electromagnetic steel sheet |
-
1978
- 1978-11-22 JP JP14458878A patent/JPS5573819A/en active Granted
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5893823A (en) * | 1981-12-01 | 1983-06-03 | Kawasaki Steel Corp | Production of unidirectional silicon steel which permits easy finishing to specular surface |
| US6428632B1 (en) | 1999-11-26 | 2002-08-06 | Kawasaki Steel Corporation | Non-oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability |
| KR100435456B1 (en) * | 1999-11-30 | 2004-06-10 | 주식회사 포스코 | A method for manufacturing low temperature reheated grain-oriented electrical steel sheet having no glass film |
| JP5073853B2 (en) * | 2010-02-18 | 2012-11-14 | 新日本製鐵株式会社 | Non-oriented electrical steel sheet and manufacturing method thereof |
| US9187830B2 (en) | 2010-02-18 | 2015-11-17 | Nippon Steel & Sumitomo Metal Corporation | Non-oriented electrical steel sheet and manufacturing method thereof |
| US9934894B2 (en) | 2010-02-18 | 2018-04-03 | Nippon Steel & Sumitomo Metal Corporation | Non-oriented electrical steel sheet and manufacturing method thereof |
| JP2011219795A (en) * | 2010-04-06 | 2011-11-04 | Nippon Steel Corp | Non-oriented electrical steel sheet having excellent high frequency core loss, and method of producing the same |
| WO2013134895A1 (en) | 2012-03-15 | 2013-09-19 | 宝山钢铁股份有限公司 | Non-oriented electrical steel plate and manufacturing process therefor |
| JP2018154853A (en) * | 2017-03-15 | 2018-10-04 | 新日鐵住金株式会社 | Non-oriented electromagnetic steel sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5745452B2 (en) | 1982-09-28 |
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