GB1597656A - Process of producing an electrically insulative glass film on silicon steel - Google Patents

Process of producing an electrically insulative glass film on silicon steel Download PDF

Info

Publication number
GB1597656A
GB1597656A GB17487/78A GB1748778A GB1597656A GB 1597656 A GB1597656 A GB 1597656A GB 17487/78 A GB17487/78 A GB 17487/78A GB 1748778 A GB1748778 A GB 1748778A GB 1597656 A GB1597656 A GB 1597656A
Authority
GB
United Kingdom
Prior art keywords
boron
magnesium oxide
weight
magnesia
silicon steel
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
Application number
GB17487/78A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Armco Inc
Original Assignee
Armco Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Armco Inc filed Critical Armco Inc
Publication of GB1597656A publication Critical patent/GB1597656A/en
Expired legal-status Critical Current

Links

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
GB17487/78A 1977-05-20 1978-05-03 Process of producing an electrically insulative glass film on silicon steel Expired GB1597656A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79885577A 1977-05-20 1977-05-20

Publications (1)

Publication Number Publication Date
GB1597656A true GB1597656A (en) 1981-09-09

Family

ID=25174443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17487/78A Expired GB1597656A (en) 1977-05-20 1978-05-03 Process of producing an electrically insulative glass film on silicon steel

Country Status (11)

Country Link
JP (1) JPS5942750B2 (xx)
BE (1) BE867259A (xx)
BR (1) BR7803158A (xx)
CA (1) CA1109772A (xx)
DE (1) DE2821417A1 (xx)
ES (1) ES470030A1 (xx)
FR (1) FR2391540A1 (xx)
GB (1) GB1597656A (xx)
IN (1) IN148757B (xx)
IT (1) IT1096309B (xx)
SE (1) SE444186B (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111943262A (zh) * 2020-08-24 2020-11-17 山西银圣科技有限公司 一种取向硅钢专用二氧化钛的制备方法
CN114645126A (zh) * 2022-03-09 2022-06-21 山西银圣科技有限公司 一种普通取向硅钢氧化镁隔离剂及其制备方法和应用

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5558331A (en) * 1978-10-25 1980-05-01 Kawasaki Steel Corp Forming method for forsterite insulation film of anisotropic silicon steel plate
JPS57207114A (en) * 1981-06-16 1982-12-18 Nippon Steel Corp Manufacture of anisotropic electric steel plate
CA1166804A (en) * 1982-05-06 1984-05-08 Michael H. Haselkorn Stable slurry of inactive magnesia and method therefor
US4582547A (en) * 1984-05-07 1986-04-15 Allegheny Ludlum Steel Corporation Method for improving the annealing separator coating on silicon steel and coating therefor
JPS60263405A (ja) * 1984-06-11 1985-12-26 Fujikura Ltd 硅素鋼帯コア絶縁基板の製造方法
JP3382804B2 (ja) * 1997-01-28 2003-03-04 新日本製鐵株式会社 グラス皮膜の優れる方向性電磁鋼板の製造方法
JP4122448B2 (ja) * 2002-11-28 2008-07-23 タテホ化学工業株式会社 焼鈍分離剤用酸化マグネシウム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1287424A (en) * 1968-11-01 1972-08-31 Nippon Steel Corp Process for producing oriented magnetic steel plates low in the iron loss
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
JPS5231296B2 (xx) * 1973-06-07 1977-08-13
GB1398504A (en) * 1973-07-05 1975-06-25 Merck & Co Inc Coating surface-oxidized silicon-containing steel
US3841925A (en) * 1973-09-12 1974-10-15 Morton Norwich Products Inc Magnesium oxide steel coating composition and process
FR2288151A1 (fr) * 1974-10-14 1976-05-14 Nippon Steel Corp Produits de separation pour recuit pour des toles d'acier au silicium, a base d'oxyde de magnesium et d'oxyde de bore
US4010050A (en) * 1975-09-08 1977-03-01 Allegheny Ludlum Industries, Inc. Processing for aluminum nitride inhibited oriented silicon steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111943262A (zh) * 2020-08-24 2020-11-17 山西银圣科技有限公司 一种取向硅钢专用二氧化钛的制备方法
CN114645126A (zh) * 2022-03-09 2022-06-21 山西银圣科技有限公司 一种普通取向硅钢氧化镁隔离剂及其制备方法和应用

Also Published As

Publication number Publication date
CA1109772A (en) 1981-09-29
ES470030A1 (es) 1979-09-16
FR2391540B1 (xx) 1981-02-27
DE2821417A1 (de) 1978-11-30
BR7803158A (pt) 1979-01-02
SE7805720L (sv) 1978-11-21
FR2391540A1 (fr) 1978-12-15
BE867259A (fr) 1978-11-20
IT7823676A0 (it) 1978-05-22
IT1096309B (it) 1985-08-26
DE2821417C2 (xx) 1987-05-21
SE444186B (sv) 1986-03-24
JPS5433839A (en) 1979-03-12
IN148757B (xx) 1981-06-06
JPS5942750B2 (ja) 1984-10-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19980502