BR9814782A - Revestimento isolante inorgânico/orgânico para aço de forno elétrico não orientado - Google Patents
Revestimento isolante inorgânico/orgânico para aço de forno elétrico não orientadoInfo
- Publication number
- BR9814782A BR9814782A BR9814782A BR9814782A BR9814782A BR 9814782 A BR9814782 A BR 9814782A BR 9814782 A BR9814782 A BR 9814782A BR 9814782 A BR9814782 A BR 9814782A BR 9814782 A BR9814782 A BR 9814782A
- Authority
- BR
- Brazil
- Prior art keywords
- silicate
- parts
- insulating coating
- electric oven
- coating
- Prior art date
Links
Classifications
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- 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
- H01F1/16—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 in the form of sheets
- H01F1/18—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 in the form of sheets with insulating coating
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- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
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- 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
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- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
- C23C22/74—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00525—Coating or impregnation materials for metallic surfaces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31826—Of natural rubber
- Y10T428/31833—Next to aldehyde or ketone condensation product or addition polymer from unsaturated monomers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Treatment Of Metals (AREA)
- Soft Magnetic Materials (AREA)
Abstract
''REVESTIMENTO ISOLANTE INORGâNICO/ORGâNICO PARA AçO DE FORNO ELéTRICO NãO ORIENTADO''. A presente invenção se refere a uma folha de aço de forno elétrico não orientado, revestida sobre ambas as superfícies com um revestimento isolante curado, para proporcionar um alto nível de resistividade superficial, para minimizar as perdas de potência interlamelar. O revestimento isolante curado sobre a folha de aço inclui, com base em 100 partes em peso seco, 20 - 60 partes de fosfato de alumínio, 20 - 70 partes de pelo menos um silicato particulado inorgânico e 10 - 25 partes de uma resina acrílica. O revestimento curado é formado de uma suspensão aquosa ácida, que pode incluir até 1 parte em peso de um solvente orgãnico solúvel em água por cada parte da resina. A suspensão aquosa tem um pH de cerca de 2 - 2,5, um tamanho de partícula de silicato de 0,3 - 60 Ám, um tamanho de partícula de resina inferior a 1 Ám, menos do que cerca de 0,5% em peso de ácido fosfórico não reagido e uma densidade de cerca de 1,0 - 1,3. O silicato pode ser um ou mais do grupo consistindo de silicato de alumínio, silicato de alumínio e potássio e silicato de magnésio. Após cura, o revestimento tem uma espessura sobre cada superfície da folha de 0,5 - 8 Ám. Os aços elétricos não orientados revestidos isolantes podem ser usados para minimizar as perdas de potência em núcleos magnéticos laminados de motores, geradores, transformadores e outros equipamentos elétricos.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/994,387 US5955201A (en) | 1997-12-19 | 1997-12-19 | Inorganic/organic insulating coating for nonoriented electrical steel |
Publications (2)
Publication Number | Publication Date |
---|---|
BR9814782A true BR9814782A (pt) | 2000-11-14 |
BR9814782B1 BR9814782B1 (pt) | 2009-12-01 |
Family
ID=25540616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI9814782-0A BR9814782B1 (pt) | 1997-12-19 | 1998-10-29 | Folha de aço elétrico não orientado, revestida sobre ambas as superfícies com um revestimento isolante inorgânico/orgânico, para proporcionar um alto nível de resistividade superficial, para minimizar as perdas de potência interlamelares. |
Country Status (12)
Country | Link |
---|---|
US (1) | US5955201A (pt) |
EP (1) | EP0926249B1 (pt) |
JP (1) | JP4558113B2 (pt) |
KR (1) | KR100537122B1 (pt) |
CN (1) | CN1161434C (pt) |
AR (1) | AR015474A1 (pt) |
AU (1) | AU9722198A (pt) |
BR (1) | BR9814782B1 (pt) |
CA (1) | CA2249547C (pt) |
DE (1) | DE69826822T2 (pt) |
TW (1) | TW470784B (pt) |
ZA (1) | ZA9810929B (pt) |
Families Citing this family (44)
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US6383650B1 (en) * | 1998-11-23 | 2002-05-07 | Nippon Steel Corporation | Non-oriented electromagnetic steel sheet having insulating film excellent in film properties |
US6455100B1 (en) * | 1999-04-13 | 2002-09-24 | Elisha Technologies Co Llc | Coating compositions for electronic components and other metal surfaces, and methods for making and using the compositions |
KR20010100204A (ko) * | 2000-03-16 | 2001-11-14 | 이구택 | 절연피막 형성용 피복조성물 및 이를 이용한 무방향성전기강판의 절연피막 형성방법 |
KR20040005857A (ko) * | 2000-11-08 | 2004-01-16 | 데노버스 엘엘씨 | 물 분산성 부식 억제제 |
KR20030013052A (ko) * | 2001-08-06 | 2003-02-14 | 주식회사 포스코 | 절연성이 우수한 전기강판용 후막형 절연피막조성물 및이로부터 형성된 절연피막을 갖는 전기강판 |
KR20100072376A (ko) * | 2002-05-08 | 2010-06-30 | 에이케이 스틸 프로퍼티즈 인코포레이티드 | 무방향성 전기 강판의 연속 주조방법 |
AU2003273361A1 (en) * | 2002-09-23 | 2004-04-08 | Elisha Holding Llc | Coating compositions for electronic components and other metal surfaces, and methods for making and using the compositions |
US20050000596A1 (en) * | 2003-05-14 | 2005-01-06 | Ak Properties Inc. | Method for production of non-oriented electrical steel strip |
DE102005003586A1 (de) * | 2004-03-01 | 2005-09-22 | Marx, Joachim F., Dr. | Phosphathaltiges Mittel zur Herstellung von Schutzschichten auf Metalloberflächen |
CN1295029C (zh) * | 2004-08-03 | 2007-01-17 | 武汉钢铁(集团)公司 | 电工钢带用铬酸盐-树脂系涂液的涂布方法 |
JP4878788B2 (ja) * | 2005-07-14 | 2012-02-15 | 新日本製鐵株式会社 | クロムを含有しない電磁鋼板用絶縁被膜剤 |
KR100733367B1 (ko) * | 2005-12-21 | 2007-06-29 | 주식회사 포스코 | 용액 안정성이 우수한 무방향성 전기강판용 후막 코팅용액및 이를 이용한 내식성과 절연성이 우수한 무방향성전기강판 제조 방법 |
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BRPI0810306A2 (pt) * | 2007-06-12 | 2019-02-12 | Du Pont | "composição de revestimento, processo para o revestimento de chapas de aço elétrico, para a preparação de um núcleo da chapa de aço elétrica, chapa de aço elétrico e núcleo de chapa de aço elétrico" |
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CN101486866B (zh) * | 2009-02-20 | 2012-06-06 | 南京大学 | 耐高温退火处理的单组分无铬水基硅钢片绝缘涂液 |
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CN102575352B (zh) | 2009-09-15 | 2016-01-20 | 新日铁住金株式会社 | 电磁钢板及其制造方法 |
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JP5854182B2 (ja) * | 2010-08-30 | 2016-02-09 | Jfeスチール株式会社 | 無方向性電磁鋼板の製造方法 |
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KR101796234B1 (ko) * | 2015-12-22 | 2017-11-09 | 주식회사 포스코 | 방향성 전기강판용 절연피막 조성물, 이를 이용한 방향성 전기강판의 절연피막 형성방법, 및 방향성 전기강판 |
CN108781029B (zh) * | 2016-03-28 | 2020-11-03 | 爱信艾达株式会社 | 转子的制造方法 |
KR102335462B1 (ko) * | 2017-03-03 | 2021-12-08 | 티센크루프 스틸 유럽 악티엔게젤샤프트 | 고정자 적층체 및 회전자 적층체를 위한 복합 재료 |
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DE3875676T2 (de) * | 1987-08-31 | 1993-03-18 | Nippon Steel Corp | Verfahren zur herstellung von kornorientierten stahlblechen mit metallglanz und ausgezeichneter stanzbarkeit. |
FR2672305B1 (fr) * | 1991-02-05 | 1994-05-06 | Usine Aciers Chatillon Gueugnon | Procede pour former un revetement isolant adherent sur une tole d'acier magnetique. |
KR0129687B1 (ko) * | 1993-05-21 | 1998-04-16 | 다나까 미노루 | 피막특성이 극히 우수한 절연 피막 처리제 및 이 처리제를 이용한 무방향성 전기강판의 제조방법 |
JP2944849B2 (ja) * | 1993-05-21 | 1999-09-06 | 新日本製鐵株式会社 | 被膜特性の極めて良好な無方向性電磁鋼板の製造方法 |
JP3360925B2 (ja) * | 1994-04-18 | 2003-01-07 | 川崎製鉄株式会社 | オイルレス打抜き性に優れた電気絶縁被膜を有する電磁鋼板 |
JPH09157861A (ja) * | 1995-12-07 | 1997-06-17 | Nkk Corp | 無方向性けい素鋼板の曲げ加工性および耐熱性に優れた絶縁被膜用コーティング剤および絶縁被膜の形成方法 |
-
1997
- 1997-12-19 US US08/994,387 patent/US5955201A/en not_active Expired - Lifetime
-
1998
- 1998-09-28 TW TW87116103A patent/TW470784B/zh not_active IP Right Cessation
- 1998-10-05 CA CA 2249547 patent/CA2249547C/en not_active Expired - Fee Related
- 1998-10-13 DE DE1998626822 patent/DE69826822T2/de not_active Expired - Lifetime
- 1998-10-13 EP EP19980119328 patent/EP0926249B1/en not_active Expired - Lifetime
- 1998-10-29 AR ARP980105435 patent/AR015474A1/es not_active Application Discontinuation
- 1998-10-29 BR BRPI9814782-0A patent/BR9814782B1/pt not_active IP Right Cessation
- 1998-11-30 ZA ZA9810929A patent/ZA9810929B/xx unknown
- 1998-12-11 JP JP35305998A patent/JP4558113B2/ja not_active Expired - Fee Related
- 1998-12-18 AU AU97221/98A patent/AU9722198A/en not_active Abandoned
- 1998-12-18 KR KR1019980056329A patent/KR100537122B1/ko not_active IP Right Cessation
- 1998-12-18 CN CNB981254373A patent/CN1161434C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0926249B1 (en) | 2004-10-06 |
DE69826822D1 (de) | 2004-11-11 |
JP4558113B2 (ja) | 2010-10-06 |
BR9814782B1 (pt) | 2009-12-01 |
US5955201A (en) | 1999-09-21 |
CA2249547A1 (en) | 1999-06-19 |
AR015474A1 (es) | 2001-05-02 |
TW470784B (en) | 2002-01-01 |
CN1161434C (zh) | 2004-08-11 |
DE69826822T2 (de) | 2005-10-06 |
CA2249547C (en) | 2005-06-28 |
ZA9810929B (en) | 1999-06-28 |
AU9722198A (en) | 1999-07-08 |
JPH11241173A (ja) | 1999-09-07 |
EP0926249A1 (en) | 1999-06-30 |
KR100537122B1 (ko) | 2006-03-09 |
KR19990063232A (ko) | 1999-07-26 |
CN1227860A (zh) | 1999-09-08 |
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