GB2022141B - Process for producing high permeability electromagnetic silicon steel - Google Patents

Process for producing high permeability electromagnetic silicon steel

Info

Publication number: GB2022141B
Authority: GB; United Kingdom
Prior art keywords: silicon steel; high permeability; producing high; electromagnetic silicon; permeability electromagnetic
Prior art date: 1978-05-30
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

GB7917378A

Other versions

GB2022141A (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.)

Sunbeam Oster Co Inc

Original Assignee

Allegheny Ludlum Industries 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.)

1978-05-30

Filing date

1979-05-18

Publication date

1983-01-12

1979-05-18 Application filed by Allegheny Ludlum Industries Inc filed Critical Allegheny Ludlum Industries Inc

1979-12-12 Publication of GB2022141A publication Critical patent/GB2022141A/en

1983-01-12 Application granted granted Critical

1983-01-12 Publication of GB2022141B publication Critical patent/GB2022141B/en

Status Expired legal-status Critical Current

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
- C21D8/1277—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
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/04—Electrolytic coating other than with metals with inorganic materials
- C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
- C25D9/10—Electrolytic coating other than with metals with inorganic materials by cathodic processes on iron or steel

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Manufacturing & Machinery (AREA)
Electromagnetism (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Inorganic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Manufacturing Of Steel Electrode Plates (AREA)
Soft Magnetic Materials (AREA)
Chemical Treatment Of Metals (AREA)
Heat Treatment Of Sheet Steel (AREA)

GB7917378A 1978-05-30 1979-05-18 Process for producing high permeability electromagnetic silicon steel Expired GB2022141B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US91072078A	1978-05-30	1978-05-30

Publications (2)

Publication Number	Publication Date
GB2022141A GB2022141A (en)	1979-12-12
GB2022141B true GB2022141B (en)	1983-01-12

Family

ID=25429232

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7917378A Expired GB2022141B (en)	1978-05-30	1979-05-18	Process for producing high permeability electromagnetic silicon steel

Country Status (18)

Country	Link
JP (1)	JPS54163741A (en)
AR (1)	AR218136A1 (en)
AT (1)	ATA391379A (en)
AU (1)	AU4688979A (en)
BE (1)	BE876658A (en)
BR (1)	BR7903234A (en)
CA (1)	CA1127512A (en)
CS (1)	CS220760B2 (en)
DE (1)	DE2921812C2 (en)
ES (1)	ES481096A1 (en)
FR (1)	FR2427405A1 (en)
GB (1)	GB2022141B (en)
HU (1)	HU177535B (en)
IT (1)	IT1116219B (en)
PL (1)	PL117770B1 (en)
RO (1)	RO78569A (en)
SE (1)	SE7904631L (en)
YU (1)	YU117679A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS56112498A (en) *	1980-02-05	1981-09-04	Tdk Corp	Formation of insulation coating layer of magnetic metal sheet
US6322688B1 (en) *	1997-10-14	2001-11-27	Nippon Steel Corporation	Method of forming an insulating film on a magnetic steel sheet

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1249049B (en) *	1959-03-05
SE7703456L (en) *	1976-04-15	1977-10-16	Gen Electric	THILE PLATE OF IRON IRON WITH ADDITIONAL ADDITION AND PROCEDURE FOR MANUFACTURE THEREOF
DE2805810A1 (en) *	1977-03-07	1978-09-14	Gen Electric	COATING OF SILICON IRON MATERIAL

1979
- 1979-05-09 AU AU46889/79A patent/AU4688979A/en not_active Abandoned
- 1979-05-18 YU YU01176/79A patent/YU117679A/en unknown
- 1979-05-18 GB GB7917378A patent/GB2022141B/en not_active Expired
- 1979-05-24 BR BR7903234A patent/BR7903234A/en unknown
- 1979-05-25 CA CA328,400A patent/CA1127512A/en not_active Expired
- 1979-05-25 CS CS793629A patent/CS220760B2/en unknown
- 1979-05-26 PL PL1979215881A patent/PL117770B1/en unknown
- 1979-05-28 AR AR276676A patent/AR218136A1/en active
- 1979-05-28 IT IT49212/79A patent/IT1116219B/en active
- 1979-05-28 RO RO7997658A patent/RO78569A/en unknown
- 1979-05-29 AT AT0391379A patent/ATA391379A/en not_active IP Right Cessation
- 1979-05-29 DE DE2921812A patent/DE2921812C2/en not_active Expired
- 1979-05-29 SE SE7904631A patent/SE7904631L/en not_active Application Discontinuation
- 1979-05-30 JP JP6738879A patent/JPS54163741A/en active Pending
- 1979-05-30 FR FR7913892A patent/FR2427405A1/en not_active Withdrawn
- 1979-05-30 ES ES481096A patent/ES481096A1/en not_active Expired
- 1979-05-30 BE BE0/195482A patent/BE876658A/en unknown
- 1979-05-30 HU HU79AE574A patent/HU177535B/en unknown

Also Published As

Publication number	Publication date
IT1116219B (en)	1986-02-10
IT7949212A0 (en)	1979-05-28
AR218136A1 (en)	1980-05-15
CS220760B2 (en)	1983-04-29
AU4688979A (en)	1979-12-06
GB2022141A (en)	1979-12-12
SE7904631L (en)	1979-12-01
BR7903234A (en)	1979-12-11
PL215881A1 (en)	1980-02-11
ATA391379A (en)	1983-04-15
RO78569A (en)	1982-04-12
DE2921812C2 (en)	1982-04-08
CA1127512A (en)	1982-07-13
BE876658A (en)	1979-11-30
JPS54163741A (en)	1979-12-26
HU177535B (en)	1981-11-28
FR2427405A1 (en)	1979-12-28
DE2921812A1 (en)	1979-12-06
PL117770B1 (en)	1981-08-31
YU117679A (en)	1983-01-21
ES481096A1 (en)	1980-02-01

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Legal Events

Date	Code	Title	Description
1980-05-29	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
1983-12-29	PCNP	Patent ceased through non-payment of renewal fee