DE2730172C2 - Verfahren zur Herstellung eines Forsterit-Isolierfilmes mit guten Adhäsionseigenschaften - Google Patents
Verfahren zur Herstellung eines Forsterit-Isolierfilmes mit guten AdhäsionseigenschaftenInfo
- Publication number
- DE2730172C2 DE2730172C2 DE2730172A DE2730172A DE2730172C2 DE 2730172 C2 DE2730172 C2 DE 2730172C2 DE 2730172 A DE2730172 A DE 2730172A DE 2730172 A DE2730172 A DE 2730172A DE 2730172 C2 DE2730172 C2 DE 2730172C2
- Authority
- DE
- Germany
- Prior art keywords
- forsterite
- temperature
- dew point
- insulating film
- atmosphere
- 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.)
- Expired
Links
- 229910052839 forsterite Inorganic materials 0.000 title claims description 49
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 title claims description 49
- 238000000034 method Methods 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 238000000137 annealing Methods 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 239000012298 atmosphere Substances 0.000 claims description 21
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000005261 decarburization Methods 0.000 claims description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 2
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 239000011159 matrix material Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
- C23D5/00—Coating with enamels or vitreous layers
- C23D5/10—Coating with enamels or vitreous layers with refractory materials
-
- 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
-
- 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
- C21D8/1277—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)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Chemical Treatment Of Metals (AREA)
- Soft Magnetic Materials (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Inorganic Insulating Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7972076A JPS535800A (en) | 1976-07-05 | 1976-07-05 | Highhmagneticcflux density oneeway siliconnsteellfolstellite insulator film and method of formation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2730172A1 DE2730172A1 (de) | 1978-01-19 |
| DE2730172C2 true DE2730172C2 (de) | 1983-11-10 |
Family
ID=13698025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2730172A Expired DE2730172C2 (de) | 1976-07-05 | 1977-07-04 | Verfahren zur Herstellung eines Forsterit-Isolierfilmes mit guten Adhäsionseigenschaften |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4127429A (OSRAM) |
| JP (1) | JPS535800A (OSRAM) |
| DE (1) | DE2730172C2 (OSRAM) |
| FR (1) | FR2357660A1 (OSRAM) |
| GB (1) | GB1573830A (OSRAM) |
| SE (1) | SE442752B (OSRAM) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693762A (en) * | 1983-07-05 | 1987-09-15 | Allegheny Ludlum Corporation | Processing for cube-on-edge oriented silicon steel |
| CA1240592A (en) * | 1983-07-05 | 1988-08-16 | Allegheny Ludlum Corporation | Processing for cube-on-edge oriented silicon steel |
| JP2790674B2 (ja) * | 1989-09-29 | 1998-08-27 | 川崎製鉄株式会社 | 方向性珪素鋼板の絶縁被膜形成方法 |
| DE19816200A1 (de) * | 1998-04-09 | 1999-10-14 | G K Steel Trading Gmbh | Verfahren zur Herstellung eines Forsterit-Isolationsfilms auf einer Oberfläche von korn-orientierten, anisotropen, elektrotechnischen Stahlblechen |
| JP4268344B2 (ja) * | 2001-04-12 | 2009-05-27 | Ｊｆｅスチール株式会社 | 加工性に優れる絶縁被膜付き電磁鋼板 |
| US8691172B2 (en) * | 2008-02-25 | 2014-04-08 | Kbi Enterprises, Llc | Forsterite and method for making |
| US8920581B2 (en) * | 2008-12-16 | 2014-12-30 | Nippon Steel & Sumitomo Metal Corporation | Grain-oriented electrical steel sheet and manufacturing method thereof |
| JP5610084B2 (ja) * | 2011-10-20 | 2014-10-22 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板およびその製造方法 |
| KR101683693B1 (ko) * | 2013-02-27 | 2016-12-07 | 제이에프이 스틸 가부시키가이샤 | 방향성 전자 강판의 제조 방법 |
| KR101675318B1 (ko) * | 2015-12-21 | 2016-11-11 | 주식회사 포스코 | 방향성 전기강판 및 이의 제조방법 |
| WO2020203928A1 (ja) | 2019-03-29 | 2020-10-08 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板およびその製造方法 |
| WO2021085421A1 (ja) * | 2019-10-31 | 2021-05-06 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板とその製造方法 |
| CN116457478A (zh) * | 2020-10-26 | 2023-07-18 | 日本制铁株式会社 | 卷绕铁芯 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3196054A (en) * | 1963-08-14 | 1965-07-20 | Armco Steel Corp | Process of decarburizing and annealing of open coil silicon-iron sheet stock without intervening surface treatment |
| US3116179A (en) * | 1960-09-27 | 1963-12-31 | Armco Steel Corp | Production of non-oriented ferrous magnetic materials |
| JPS4813814B1 (OSRAM) * | 1969-12-18 | 1973-05-01 | ||
| CS166652B2 (OSRAM) * | 1971-02-20 | 1976-03-29 | ||
| US3945862A (en) * | 1973-06-26 | 1976-03-23 | Merck & Co., Inc. | Coated ferrous substrates comprising an amorphous magnesia-silica complex |
| JPS5432412B2 (OSRAM) * | 1973-10-31 | 1979-10-15 | ||
| JPS50116998A (OSRAM) * | 1974-02-28 | 1975-09-12 |
-
1976
- 1976-07-05 JP JP7972076A patent/JPS535800A/ja active Granted
-
1977
- 1977-06-27 US US05/810,379 patent/US4127429A/en not_active Expired - Lifetime
- 1977-07-01 GB GB27734/77A patent/GB1573830A/en not_active Expired
- 1977-07-04 FR FR7720522A patent/FR2357660A1/fr active Granted
- 1977-07-04 DE DE2730172A patent/DE2730172C2/de not_active Expired
- 1977-07-04 SE SE7707712A patent/SE442752B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2357660A1 (fr) | 1978-02-03 |
| FR2357660B1 (OSRAM) | 1980-03-14 |
| US4127429A (en) | 1978-11-28 |
| SE442752B (sv) | 1986-01-27 |
| JPS5734351B2 (OSRAM) | 1982-07-22 |
| DE2730172A1 (de) | 1978-01-19 |
| JPS535800A (en) | 1978-01-19 |
| GB1573830A (en) | 1980-08-28 |
| SE7707712L (sv) | 1978-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| 8125 | Change of the main classification |
Ipc: C21D 8/12 |
|
| 8126 | Change of the secondary classification |
Ipc: C21D 1/76 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |