RO72690A - Compositions pour la protection d'acier electrotechnique silicieux pendant le recuit des feuilles - Google Patents
Compositions pour la protection d'acier electrotechnique silicieux pendant le recuit des feuillesInfo
- Publication number
- RO72690A RO72690A RO7479931A RO7993174A RO72690A RO 72690 A RO72690 A RO 72690A RO 7479931 A RO7479931 A RO 7479931A RO 7993174 A RO7993174 A RO 7993174A RO 72690 A RO72690 A RO 72690A
- Authority
- RO
- Romania
- Prior art keywords
- electrotechnic
- silicious
- compositions
- protection
- steel during
- Prior art date
Links
Classifications
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
- C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Soft Magnetic Materials (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Inorganic Insulating Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00396346A US3841925A (en) | 1973-09-12 | 1973-09-12 | Magnesium oxide steel coating composition and process |
Publications (1)
Publication Number | Publication Date |
---|---|
RO72690A true RO72690A (fr) | 1981-03-30 |
Family
ID=23566849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO7479931A RO72690A (fr) | 1973-09-12 | 1974-09-06 | Compositions pour la protection d'acier electrotechnique silicieux pendant le recuit des feuilles |
Country Status (8)
Country | Link |
---|---|
US (1) | US3841925A (fr) |
JP (1) | JPS5055608A (fr) |
BE (1) | BE819842A (fr) |
DE (1) | DE2443531A1 (fr) |
FR (1) | FR2243506B1 (fr) |
GB (1) | GB1442730A (fr) |
IT (1) | IT1021332B (fr) |
RO (1) | RO72690A (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1597656A (en) * | 1977-05-20 | 1981-09-09 | Armco Inc | Process of producing an electrically insulative glass film on silicon steel |
US4168189A (en) * | 1977-05-20 | 1979-09-18 | Armco Inc. | Process of producing an electrically insulative film |
BR7804962A (pt) * | 1977-08-04 | 1979-05-08 | Armco Inc | Processo para estabilizar a viscosidade e aumentar a concentracao de pasta aquosa de magnesia |
JPS54143718A (en) * | 1978-04-28 | 1979-11-09 | Kawasaki Steel Co | Formation of insulating layer of directional silicon steel plate |
JPS5558331A (en) * | 1978-10-25 | 1980-05-01 | Kawasaki Steel Corp | Forming method for forsterite insulation film of anisotropic silicon steel plate |
US4443425A (en) * | 1981-12-09 | 1984-04-17 | Calgon Corporation | Magnesium oxide composition for coating silicon steel |
CA1166804A (fr) * | 1982-05-06 | 1984-05-08 | Michael H. Haselkorn | Suspension stable de magnesie inactive, et methode d'application |
JPS60145382A (ja) * | 1984-01-09 | 1985-07-31 | Nippon Steel Corp | 磁気特性、皮膜特性とも優れた方向性電磁鋼板の製造方法 |
EP0305966B1 (fr) * | 1987-08-31 | 1992-11-04 | Nippon Steel Corporation | Procédé de fabrication de tôles d'acier de qualité électrique à orientation de grains, à surface brillante métallique et apte à l'estampage |
EP0416420B1 (fr) * | 1989-09-08 | 1994-12-14 | Armco Inc. | Revêtement d'oxyde de magnésium pour aciers électriques et procédé pour former un revêtement |
EP0789093B2 (fr) † | 1994-11-16 | 2005-02-09 | Nippon Steel Corporation | Procede de production de tole magnetique directive pouvant facilement etre revetue de verre et presentant d'excellentes proprietes magnetiques |
CN102179643B (zh) * | 2011-04-20 | 2013-03-20 | 大石桥市美尔镁制品有限公司 | 电焊条药皮用氧化镁粉的制备方法 |
EP2814989A1 (fr) | 2012-02-13 | 2014-12-24 | Solaronics S.A. | Refroidissement de bande de tôle métallique revêtue |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3265600A (en) * | 1962-12-10 | 1966-08-09 | United States Steel Corp | Method of coating silicon steel in conjunction with box annealing thereof preparatory to die punching |
BE754777A (fr) * | 1969-08-18 | 1971-02-12 | Morton Int Inc | Composition de revetement a base d'oxyde de magnesium et procede d'utilisation de cette composition |
US3582407A (en) * | 1969-08-18 | 1971-06-01 | Morton Int Inc | Magnesium oxide coating composition and process for producing annealed steel punching stock |
-
1973
- 1973-09-12 US US00396346A patent/US3841925A/en not_active Expired - Lifetime
-
1974
- 1974-08-29 GB GB3778274A patent/GB1442730A/en not_active Expired
- 1974-09-06 RO RO7479931A patent/RO72690A/fr unknown
- 1974-09-11 DE DE2443531A patent/DE2443531A1/de active Pending
- 1974-09-12 IT IT27237/74A patent/IT1021332B/it active
- 1974-09-12 FR FR7430937A patent/FR2243506B1/fr not_active Expired
- 1974-09-12 JP JP49104435A patent/JPS5055608A/ja active Pending
- 1974-09-12 BE BE148461A patent/BE819842A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
BE819842A (fr) | 1975-03-12 |
IT1021332B (it) | 1978-01-30 |
JPS5055608A (fr) | 1975-05-15 |
US3841925A (en) | 1974-10-15 |
DE2443531A1 (de) | 1975-03-13 |
FR2243506A1 (fr) | 1975-04-04 |
FR2243506B1 (fr) | 1978-06-09 |
GB1442730A (en) | 1976-07-14 |
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