FR2404677A1 - PROCESS FOR MANUFACTURING IRON-SILICON SHEETS OR SHEETS AND PRODUCTS OBTAINED - Google Patents
PROCESS FOR MANUFACTURING IRON-SILICON SHEETS OR SHEETS AND PRODUCTS OBTAINEDInfo
- Publication number
- FR2404677A1 FR2404677A1 FR7827759A FR7827759A FR2404677A1 FR 2404677 A1 FR2404677 A1 FR 2404677A1 FR 7827759 A FR7827759 A FR 7827759A FR 7827759 A FR7827759 A FR 7827759A FR 2404677 A1 FR2404677 A1 FR 2404677A1
- Authority
- FR
- France
- Prior art keywords
- sheets
- boron
- sheet
- silicon
- parts per
- 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
-
- 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
- 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
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1283—Application of a separating or insulating coating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Soft Magnetic Materials (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Procédé conférant une bonne soudabilité aux tôles obtenues sans nuire à leurs propriétés magnétiques. Il comprend la préparation d'une fusion de fer-silicium contenant de 2,2 à 4,5 pour cent de silicium, entre environ 3 et 35 parties par million de bore, entre environ 30 et 75 parties par million d'azote, dans un rapport avec le bore de 1 à 15 parties par partie de bore, de 0,02 à 0,05 pour cent de manganèse, de 0,005 à 0,025 pour cent de soufre et de l'étain ou de l'antimoine en des quantités comprises entre 0,01 et 0,10 pour cent, la coulée de la fusion et le laminage à chaud de la billette résultante pour produire une masse allongée, en forme de feuille, le laminage à froid de la masse laminée à chaud pour produire une feuille ayant l'épaisseur finale, et le traitement thermique final de la feuille laminée à froid résultante pour la décarburer et y développer une texture de recristallisation secondaire 110(001). Application aux empilements d'Epstein.Process conferring good weldability on the sheets obtained without harming their magnetic properties. It involves preparing an iron-silicon melt containing 2.2 to 4.5 percent silicon, between about 3 and 35 parts per million boron, between about 30 and 75 parts per million nitrogen, in a ratio with boron of 1 to 15 parts per part of boron, of 0.02 to 0.05 per cent of manganese, of 0.005 to 0.025 per cent of sulfur, and tin or antimony in amounts comprised between 0.01 and 0.10 percent, casting the melt and hot rolling the resulting billet to produce an elongated, sheet-like mass, cold rolling the hot-rolled mass to produce a sheet having the final thickness, and final heat treatment of the resulting cold-rolled sheet to decarburize it and develop a secondary recrystallization texture therein 110 (001). Application to Epstein stacks.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83750577A | 1977-09-29 | 1977-09-29 | |
| US05/867,987 US4174235A (en) | 1978-01-09 | 1978-01-09 | Product and method of producing silicon-iron sheet material employing antimony |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2404677A1 true FR2404677A1 (en) | 1979-04-27 |
| FR2404677B1 FR2404677B1 (en) | 1985-10-31 |
Family
ID=27125948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7827759A Expired FR2404677B1 (en) | 1977-09-29 | 1978-09-28 | PROCESS FOR THE MANUFACTURE OF IRON-SILICON SHEETS OR SHEETS AND PRODUCTS OBTAINED |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5462919A (en) |
| CS (1) | CS218577B2 (en) |
| DE (1) | DE2834035A1 (en) |
| FR (1) | FR2404677B1 (en) |
| GB (1) | GB2005718B (en) |
| PL (1) | PL118636B1 (en) |
| RO (1) | RO76065A (en) |
| SE (1) | SE443155B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583027B2 (en) * | 1979-05-30 | 1983-01-19 | 川崎製鉄株式会社 | Cold rolled non-oriented electrical steel sheet with low iron loss |
| JPS6048886B2 (en) * | 1981-08-05 | 1985-10-30 | 新日本製鐵株式会社 | High magnetic flux density unidirectional electrical steel sheet with excellent iron loss and method for manufacturing the same |
| JPS58151453A (en) * | 1982-01-27 | 1983-09-08 | Nippon Steel Corp | Nondirectional electrical steel sheet with small iron loss and superior magnetic flux density and its manufacture |
| AU551071B2 (en) * | 1982-01-27 | 1986-04-17 | Nippon Steel Corporation | Non-oriented electrical silicon steel sheet with b, sn. |
| JP2742688B2 (en) * | 1988-06-15 | 1998-04-22 | 住友金属工業 株式会社 | Electrical steel sheet with excellent automatic caulking |
| JPH0774388B2 (en) * | 1989-09-28 | 1995-08-09 | 新日本製鐵株式会社 | Method for manufacturing unidirectional silicon steel sheet with high magnetic flux density |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE358413B (en) * | 1968-11-01 | 1973-07-30 | Nippon Steel Corp | |
| JPS5113469B2 (en) * | 1972-10-13 | 1976-04-28 | ||
| JPS5432412B2 (en) * | 1973-10-31 | 1979-10-15 | ||
| JPS5813606B2 (en) * | 1974-08-14 | 1983-03-15 | 川崎製鉄株式会社 | It's hard to tell what's going on. |
| US4000015A (en) * | 1975-05-15 | 1976-12-28 | Allegheny Ludlum Industries, Inc. | Processing for cube-on-edge oriented silicon steel using hydrogen of controlled dew point |
| DE2531536C2 (en) * | 1975-07-17 | 1986-10-16 | Allegheny Ludlum Steel Corp., Pittsburgh, Pa. | Method for producing a grain-oriented silicon steel sheet |
| JPS5212610A (en) * | 1975-07-18 | 1977-01-31 | Gen Electric | Cold rolled silicon steel and method of making thesame |
-
1978
- 1978-08-03 DE DE19782834035 patent/DE2834035A1/en not_active Ceased
- 1978-08-30 RO RO7895070A patent/RO76065A/en unknown
- 1978-09-27 GB GB7838345A patent/GB2005718B/en not_active Expired
- 1978-09-28 FR FR7827759A patent/FR2404677B1/en not_active Expired
- 1978-09-28 SE SE7810201A patent/SE443155B/en unknown
- 1978-09-28 JP JP11871278A patent/JPS5462919A/en active Granted
- 1978-09-29 CS CS786318A patent/CS218577B2/en unknown
- 1978-09-29 PL PL1978209947A patent/PL118636B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO76065A (en) | 1982-03-24 |
| JPS5462919A (en) | 1979-05-21 |
| DE2834035A1 (en) | 1979-04-12 |
| GB2005718B (en) | 1982-04-07 |
| SE443155B (en) | 1986-02-17 |
| SE7810201L (en) | 1979-05-17 |
| JPH0248615B2 (en) | 1990-10-25 |
| PL209947A1 (en) | 1979-05-21 |
| CS218577B2 (en) | 1983-02-25 |
| PL118636B1 (en) | 1981-10-31 |
| GB2005718A (en) | 1979-04-25 |
| FR2404677B1 (en) | 1985-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |