FR2438093A1 - Procede de production d'une tole d'acier au silicium, electrique, a grain oriente, contenant de l'aluminium - Google Patents
Procede de production d'une tole d'acier au silicium, electrique, a grain oriente, contenant de l'aluminiumInfo
- Publication number
- FR2438093A1 FR2438093A1 FR7924788A FR7924788A FR2438093A1 FR 2438093 A1 FR2438093 A1 FR 2438093A1 FR 7924788 A FR7924788 A FR 7924788A FR 7924788 A FR7924788 A FR 7924788A FR 2438093 A1 FR2438093 A1 FR 2438093A1
- Authority
- FR
- France
- Prior art keywords
- steel sheet
- reducing atmosphere
- silicon steel
- producing
- containing aluminum
- 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
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
UNE TOLE D'ACIER AU SILICIUM, ELECTRIQUE, A GRAIN ORIENTE COMPRENANT DE L'ALUMINIUM ET AYANT UNE DENSITE DE FLUX MAGNETIQUE EXTREMENT ELEVEE, PAR EXEMPLE, UN B DE 1,90 OU PLUS, EST PRODUITE PAR UNE OPERATION DE RECUIT DE RECRISTALLISATION SECONDAIRE DANS LAQUELLE PENDANT LA PERIODE D'ELEVATION DE TEMPERATURE D'UNE ATMOSPHERE REDUCTRICE JUSQU'A UNE VALEUR COMPRISE ENTRE 850 ET 950C, LA PRESSION PARTIELLE D'AZOTE DANS L'ATMOSPHERE REDUCTRICE EST LIMITEE A 20 OU MOINS RAPPORTEE A LA PRESSION TOTALE DE L'ATMOSPHERE REDUCTRICE, PENDANT LA PERIODE D'ELEVATION DE TEMPERATURE DE L'ATMOSPHERE REDUCTRICE DANS LAQUELLE LAQUELLE LA RECRISTALLISATION SECONDAIRE SE PRODUIT, LA PRESSION PARTIELLE D'AZOTE EST MAINTENUE A UNE VALEUR D'AU MOINS3. APPLICATION AUX TOLES D'ACIER AU SILICIUM, ELECTRIQUE, AYANT UNE DENSITE DE FLUX MAGNETIQUE EXTREMEMENT ELEVEE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53120440A JPS5933170B2 (ja) | 1978-10-02 | 1978-10-02 | 磁束密度の極めて高い、含Al一方向性珪素鋼板の製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2438093A1 true FR2438093A1 (fr) | 1980-04-30 |
FR2438093B1 FR2438093B1 (fr) | 1985-08-09 |
Family
ID=14786250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7924788A Expired FR2438093B1 (fr) | 1978-10-02 | 1979-10-01 | Procede de production d'une tole d'acier au silicium, electrique, a grain oriente, contenant de l'aluminium |
Country Status (7)
Country | Link |
---|---|
US (1) | US4225366A (fr) |
JP (1) | JPS5933170B2 (fr) |
BE (1) | BE879083A (fr) |
DE (1) | DE2939788C2 (fr) |
FR (1) | FR2438093B1 (fr) |
GB (1) | GB2036088B (fr) |
IT (1) | IT1165235B (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4416707A (en) * | 1981-09-14 | 1983-11-22 | Westinghouse Electric Corp. | Secondary recrystallized oriented low-alloy iron |
GB2130241B (en) * | 1982-09-24 | 1986-01-15 | Nippon Steel Corp | Method for producing a grain-oriented electrical steel sheet having a high magnetic flux density |
JPS5996220A (ja) * | 1982-11-24 | 1984-06-02 | Nippon Steel Corp | 鉄損の優れた薄物一方向性電磁鋼板の製造方法 |
JPS6475627A (en) * | 1987-09-18 | 1989-03-22 | Nippon Steel Corp | Production of grain oriented electrical steel sheet having extremely high magnetic flux density |
JP2670108B2 (ja) * | 1988-10-21 | 1997-10-29 | 川崎製鉄株式会社 | 高磁束密度方向性けい素鋼板の製造方法 |
JPH0717959B2 (ja) * | 1989-03-30 | 1995-03-01 | 新日本製鐵株式会社 | 一方向性高磁束密度電磁鋼板の製造方法 |
FR2657887B1 (fr) * | 1990-02-06 | 1994-03-04 | Ugine Aciers Chatillon Gueugnon | Procede d'aluminisation de toles d'acier magnetique a grains orientes et toles d'acier magnetique obtenues selon ce procede. |
IT1290172B1 (it) | 1996-12-24 | 1998-10-19 | Acciai Speciali Terni Spa | Procedimento per la produzione di lamierino magnetico a grano orientato, con elevate caratteristiche magnetiche. |
IT1290978B1 (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 |
IT1299137B1 (it) * | 1998-03-10 | 2000-02-29 | Acciai Speciali Terni Spa | Processo per il controllo e la regolazione della ricristallizzazione secondaria nella produzione di lamierini magnetici a grano orientato |
DE19816158A1 (de) * | 1998-04-09 | 1999-10-14 | G K Steel Trading Gmbh | Verfahren zur Herstellung von korn-orientierten anisotropen, elektrotechnischen Stahlblechen |
DE10060950C2 (de) * | 2000-12-06 | 2003-02-06 | Thyssenkrupp Stahl Ag | Verfahren zum Erzeugen von kornorientiertem Elektroblech |
JP4258349B2 (ja) * | 2002-10-29 | 2009-04-30 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5026495B2 (fr) * | 1971-10-22 | 1975-09-01 | ||
BE790798A (fr) * | 1971-11-04 | 1973-02-15 | Armco Steel Corp | Procédé de fabrication de fer au silicium à orientation cube-sur-arete à partir de brames coulées |
IT1041114B (it) * | 1975-08-01 | 1980-01-10 | Centro Speriment Metallurg | Procedimento per la produzione di nastri di acciaio al silicio per impieghi magnetici |
US4030950A (en) * | 1976-06-17 | 1977-06-21 | Allegheny Ludlum Industries, Inc. | Process for cube-on-edge oriented boron-bearing silicon steel including normalizing |
-
1978
- 1978-10-02 JP JP53120440A patent/JPS5933170B2/ja not_active Expired
-
1979
- 1979-09-13 US US06/075,673 patent/US4225366A/en not_active Expired - Lifetime
- 1979-09-24 GB GB7933039A patent/GB2036088B/en not_active Expired
- 1979-09-28 BE BE0/197388A patent/BE879083A/fr not_active IP Right Cessation
- 1979-10-01 DE DE2939788A patent/DE2939788C2/de not_active Expired
- 1979-10-01 IT IT68894/79A patent/IT1165235B/it active
- 1979-10-01 FR FR7924788A patent/FR2438093B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2939788A1 (de) | 1980-08-21 |
DE2939788C2 (de) | 1986-09-18 |
US4225366A (en) | 1980-09-30 |
IT7968894A0 (it) | 1979-10-01 |
GB2036088B (en) | 1982-12-08 |
FR2438093B1 (fr) | 1985-08-09 |
JPS5547324A (en) | 1980-04-03 |
JPS5933170B2 (ja) | 1984-08-14 |
GB2036088A (en) | 1980-06-25 |
BE879083A (fr) | 1980-01-16 |
IT1165235B (it) | 1987-04-22 |
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