IT1078911B - Perfezionamento nei procedimenti di produzione di acciaio al silicio a grana orientata - Google Patents
Perfezionamento nei procedimenti di produzione di acciaio al silicio a grana orientataInfo
- Publication number
- IT1078911B IT1078911B IT49832/77A IT4983277A IT1078911B IT 1078911 B IT1078911 B IT 1078911B IT 49832/77 A IT49832/77 A IT 49832/77A IT 4983277 A IT4983277 A IT 4983277A IT 1078911 B IT1078911 B IT 1078911B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- production processes
- steel production
- oriented grain
- grain steel
- Prior art date
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
- C21D8/1244—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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14775—Fe-Si based alloys in the form of sheets
- H01F1/14783—Fe-Si based alloys in the form of sheets with insulating coating
-
- 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
- C21D8/1255—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 with diffusion of elements, e.g. decarburising, nitriding
-
- 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)
- Materials Engineering (AREA)
- Electromagnetism (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Soft Magnetic Materials (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/696,964 US4054471A (en) | 1976-06-17 | 1976-06-17 | Processing for cube-on-edge oriented silicon steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1078911B true IT1078911B (it) | 1985-05-08 |
Family
ID=24799227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT49832/77A IT1078911B (it) | 1976-06-17 | 1977-06-15 | Perfezionamento nei procedimenti di produzione di acciaio al silicio a grana orientata |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US4054471A (it) |
| JP (1) | JPS52153824A (it) |
| AR (1) | AR215639A1 (it) |
| AU (1) | AU509509B2 (it) |
| BE (1) | BE855833A (it) |
| BR (1) | BR7703867A (it) |
| CA (1) | CA1084817A (it) |
| CS (1) | CS216515B2 (it) |
| DE (1) | DE2727029A1 (it) |
| ES (1) | ES459888A1 (it) |
| FR (1) | FR2355069A1 (it) |
| GB (1) | GB1566143A (it) |
| HU (1) | HU178163B (it) |
| IN (1) | IN146550B (it) |
| IT (1) | IT1078911B (it) |
| MX (1) | MX4370E (it) |
| PL (1) | PL114604B1 (it) |
| RO (1) | RO71132A (it) |
| SE (1) | SE420736B (it) |
| YU (1) | YU151577A (it) |
| ZA (1) | ZA773085B (it) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123298A (en) * | 1977-01-14 | 1978-10-31 | Armco Steel Corporation | Post decarburization anneal for cube-on-edge oriented silicon steel |
| US4115161A (en) * | 1977-10-12 | 1978-09-19 | Allegheny Ludlum Industries, Inc. | Processing for cube-on-edge oriented silicon steel |
| US4160681A (en) * | 1977-12-27 | 1979-07-10 | Allegheny Ludlum Industries, Inc. | Silicon steel and processing therefore |
| US4200477A (en) * | 1978-03-16 | 1980-04-29 | Allegheny Ludlum Industries, Inc. | Processing for electromagnetic silicon steel |
| US4157925A (en) * | 1978-04-12 | 1979-06-12 | Allegheny Ludlum Industries, Inc. | Texture annealing silicon steel |
| US4213804A (en) * | 1979-03-19 | 1980-07-22 | Allegheny Ludlum Industries, Inc. | Processing for cube-on-edge oriented silicon steel |
| US4244757A (en) * | 1979-05-21 | 1981-01-13 | Allegheny Ludlum Steel Corporation | Processing for cube-on-edge oriented silicon steel |
| US4482397A (en) * | 1981-08-24 | 1984-11-13 | Allegheny Ludlum Steel Corporation | Method for improving the magnetic permeability of grain oriented silicon steel |
| KR840000668A (ko) * | 1981-08-24 | 1984-02-25 | 원본미기재 | 개선된 자기 특성을 갖는 배향성 규소강의 제조방법 |
| MX167814B (es) * | 1987-06-04 | 1993-04-13 | Allegheny Ludlum Corp | Metodo para producir acero al silicio orientado engrano con adiciones pequeñas de boro |
| US4950336A (en) * | 1988-06-24 | 1990-08-21 | Nippon Steel Corporation | Method of producing non-oriented magnetic steel heavy plate having high magnetic flux density |
| GB2267715B (en) * | 1992-06-03 | 1995-11-01 | British Steel Plc | Improvements in and relating to the production of high silicon-iron alloys |
| US6858095B2 (en) | 1992-09-04 | 2005-02-22 | Nippon Steel Corporation | Thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2270762A (en) * | 1939-01-31 | 1942-01-20 | Gen Electric | Cold rolled silicon steel strip |
| US2534141A (en) * | 1948-01-14 | 1950-12-12 | Gen Electric | Heat-treatment of cold rolled silicon steel strip |
| US2875113A (en) * | 1957-11-15 | 1959-02-24 | Gen Electric | Method of decarburizing silicon steel in a wet inert gas atmosphere |
| LU36581A1 (it) * | 1957-11-15 | |||
| US3954521A (en) * | 1968-12-23 | 1976-05-04 | Allegheny Ludlum Industries, Inc. | Method of producing grain oriented silicon steel |
| US3873381A (en) * | 1973-03-01 | 1975-03-25 | Armco Steel Corp | High permeability cube-on-edge oriented silicon steel and method of making it |
| US3855021A (en) * | 1973-05-07 | 1974-12-17 | Allegheny Ludlum Ind Inc | Processing for high permeability silicon steel comprising copper |
| US3905843A (en) * | 1974-01-02 | 1975-09-16 | Gen Electric | Method of producing silicon-iron sheet material with boron addition and product |
| US3957546A (en) * | 1974-09-16 | 1976-05-18 | General Electric Company | Method of producing oriented silicon-iron sheet material with boron and nitrogen additions |
| GB1521680A (en) * | 1974-09-23 | 1978-08-16 | British Steel Corp | Steels for electromagnetic applications |
-
1976
- 1976-06-17 US US05/696,964 patent/US4054471A/en not_active Expired - Lifetime
-
1977
- 1977-05-23 ZA ZA00773085A patent/ZA773085B/xx unknown
- 1977-05-25 IN IN790/CAL/77A patent/IN146550B/en unknown
- 1977-05-26 AU AU25520/77A patent/AU509509B2/en not_active Expired
- 1977-06-14 GB GB24712/77A patent/GB1566143A/en not_active Expired
- 1977-06-15 PL PL1977198883A patent/PL114604B1/pl unknown
- 1977-06-15 BR BR7703867A patent/BR7703867A/pt unknown
- 1977-06-15 IT IT49832/77A patent/IT1078911B/it active
- 1977-06-15 DE DE19772727029 patent/DE2727029A1/de not_active Withdrawn
- 1977-06-15 HU HU77AE496A patent/HU178163B/hu unknown
- 1977-06-16 MX MX775815U patent/MX4370E/es unknown
- 1977-06-16 SE SE7707028A patent/SE420736B/xx unknown
- 1977-06-16 CA CA280,689A patent/CA1084817A/en not_active Expired
- 1977-06-16 FR FR7718530A patent/FR2355069A1/fr not_active Withdrawn
- 1977-06-17 YU YU01515/77A patent/YU151577A/xx unknown
- 1977-06-17 RO RO7790739A patent/RO71132A/ro unknown
- 1977-06-17 JP JP7197577A patent/JPS52153824A/ja active Pending
- 1977-06-17 ES ES459888A patent/ES459888A1/es not_active Expired
- 1977-06-17 BE BE178558A patent/BE855833A/xx not_active IP Right Cessation
- 1977-06-17 AR AR268107A patent/AR215639A1/es active
- 1977-06-17 CS CS774019A patent/CS216515B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52153824A (en) | 1977-12-21 |
| PL198883A1 (pl) | 1978-02-13 |
| HU178163B (en) | 1982-03-28 |
| IN146550B (it) | 1979-07-14 |
| ZA773085B (en) | 1978-04-26 |
| PL114604B1 (en) | 1981-02-28 |
| RO71132A (ro) | 1982-02-26 |
| AR215639A1 (es) | 1979-10-31 |
| YU151577A (en) | 1982-08-31 |
| CA1084817A (en) | 1980-09-02 |
| ES459888A1 (es) | 1978-04-16 |
| GB1566143A (en) | 1980-04-30 |
| MX4370E (es) | 1982-04-19 |
| AU509509B2 (en) | 1980-05-15 |
| BR7703867A (pt) | 1978-05-02 |
| AU2552077A (en) | 1978-11-30 |
| SE7707028L (sv) | 1977-12-18 |
| BE855833A (fr) | 1977-12-19 |
| SE420736B (sv) | 1981-10-26 |
| CS216515B2 (en) | 1982-11-26 |
| FR2355069A1 (fr) | 1978-01-13 |
| US4054471A (en) | 1977-10-18 |
| DE2727029A1 (de) | 1977-12-29 |
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