BE874909A - Procede pour preparer un acier electromagnetique au silicium - Google Patents

Procede pour preparer un acier electromagnetique au silicium

Info

Publication number: BE874909A
Authority: BE; Belgium
Prior art keywords: preparing; silicon steel; electromagnetic silicon; electromagnetic; steel
Prior art date: 1978-03-16

Application number

BE0/194074A

Other languages

English (en)

Inventor

J Shilling

C Miller

A Datta

Original Assignee

Allegheny Ludlum Ind 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.)

1978-03-16

Filing date

1979-03-16

Publication date

1979-09-17

1979-03-16 Application filed by Allegheny Ludlum Ind Inc filed Critical Allegheny Ludlum Ind Inc

1979-09-17 Publication of BE874909A publication Critical patent/BE874909A/fr

Links

Classifications

- 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
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/04—Decarburising
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1277—Modifying the physical properties of ferrous metals or ferrous alloys 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
- C21D8/1272—Final recrystallisation annealing

Landscapes

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

BE0/194074A 1978-03-16 1979-03-16 Procede pour preparer un acier electromagnetique au silicium BE874909A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/887,098 US4200477A (en)	1978-03-16	1978-03-16	Processing for electromagnetic silicon steel

Publications (1)

Publication Number	Publication Date
BE874909A true BE874909A (fr)	1979-09-17

Family

ID=25390451

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE0/194074A BE874909A (fr)	1978-03-16	1979-03-16	Procede pour preparer un acier electromagnetique au silicium

Country Status (16)

Country	Link
US (1)	US4200477A (fr)
JP (1)	JPS54128425A (fr)
AR (1)	AR215786A1 (fr)
AU (1)	AU528202B2 (fr)
BE (1)	BE874909A (fr)
BR (1)	BR7901466A (fr)
CA (1)	CA1127511A (fr)
DE (1)	DE2909020A1 (fr)
ES (1)	ES478713A1 (fr)
FR (1)	FR2419980A1 (fr)
GB (1)	GB2018823B (fr)
IT (1)	IT1114600B (fr)
PL (1)	PL214174A1 (fr)
RO (1)	RO78544A (fr)
SE (1)	SE427117B (fr)
YU (1)	YU54279A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4334938A (en) *	1980-08-22	1982-06-15	Air Products And Chemicals, Inc.	Inhibited annealing of ferrous metals containing chromium
US4482401A (en) *	1982-07-19	1984-11-13	Allegheny Ludlum Steel Corporation	Method for producing cube-on-edge oriented silicon steel
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
US4666535A (en) *	1986-04-15	1987-05-19	Allegheny Ludlum Corporation	Method of producing low core losses in oriented silicon steels
JP2701314B2 (ja) *	1988-05-10	1998-01-21	日本鋼管株式会社	磁気特性に優れた無方向性電磁鋼板及びその製造方法
US5082509A (en) *	1989-04-14	1992-01-21	Nippon Steel Corporation	Method of producing oriented electrical steel sheet having superior magnetic properties
JP2782086B2 (ja) *	1989-05-29	1998-07-30	新日本製鐵株式会社	磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法
TW299354B (fr) *	1995-06-28	1997-03-01	Kawasaki Steel Co
JP3220362B2 (ja) *	1995-09-07	2001-10-22	川崎製鉄株式会社	方向性けい素鋼板の製造方法
CN1088760C (zh) *	1997-06-27	2002-08-07	浦项综合制铁株式会社	基于低温板坯加热法生产具有高磁感应强度的晶粒择优取向电工钢板的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2867557A (en) *	1956-08-02	1959-01-06	Allegheny Ludlum Steel	Method of producing silicon steel strip
GB933873A (en) *	1959-07-09	1963-08-14	United States Steel Corp	Method of producing grain oriented electrical steel
US3544396A (en) *	1967-08-28	1970-12-01	Armco Steel Corp	Silicon steel coated with magnesia containing chromic oxide
US3868280A (en) *	1967-12-12	1975-02-25	Takaaki Yamamoto	Method of forming electric insulating films oriented silicon steel
JPS5112451B1 (fr) *	1967-12-12	1976-04-20
US3700506A (en) *	1968-12-10	1972-10-24	Nippon Steel Corp	Method for reducing an iron loss of an oriented magnetic steel sheet having a high magnetic induction
US3954521A (en) *	1968-12-23	1976-05-04	Allegheny Ludlum Industries, Inc.	Method of producing grain oriented silicon steel
US4000015A (en) *	1975-05-15	1976-12-28	Allegheny Ludlum Industries, Inc.	Processing for cube-on-edge oriented silicon steel using hydrogen of controlled dew point
US4030950A (en) *	1976-06-17	1977-06-21	Allegheny Ludlum Industries, Inc.	Process for cube-on-edge oriented boron-bearing silicon steel including normalizing
US4054471A (en) *	1976-06-17	1977-10-18	Allegheny Ludlum Industries, Inc.	Processing for cube-on-edge oriented silicon steel
US4102713A (en) *	1976-06-17	1978-07-25	Allegheny Ludlum Industries, Inc.	Silicon steel and processing therefore

1978
- 1978-03-16 US US05/887,098 patent/US4200477A/en not_active Expired - Lifetime
1979
- 1979-02-23 AU AU44544/79A patent/AU528202B2/en not_active Ceased
- 1979-03-06 YU YU00542/79A patent/YU54279A/xx unknown
- 1979-03-08 DE DE19792909020 patent/DE2909020A1/de not_active Withdrawn
- 1979-03-09 GB GB7908320A patent/GB2018823B/en not_active Expired
- 1979-03-12 BR BR7901466A patent/BR7901466A/pt unknown
- 1979-03-14 IT IT48349/79A patent/IT1114600B/it active
- 1979-03-14 JP JP2981179A patent/JPS54128425A/ja active Pending
- 1979-03-15 RO RO7996911A patent/RO78544A/fr unknown
- 1979-03-15 SE SE7902307A patent/SE427117B/sv unknown
- 1979-03-16 BE BE0/194074A patent/BE874909A/fr not_active IP Right Cessation
- 1979-03-16 AR AR275846A patent/AR215786A1/es active
- 1979-03-16 FR FR7906780A patent/FR2419980A1/fr not_active Withdrawn
- 1979-03-16 ES ES478713A patent/ES478713A1/es not_active Expired
- 1979-03-16 PL PL21417479A patent/PL214174A1/xx unknown
- 1979-03-16 CA CA323,588A patent/CA1127511A/fr not_active Expired

Also Published As

Publication number	Publication date
CA1127511A (fr)	1982-07-13
GB2018823A (en)	1979-10-24
FR2419980A1 (fr)	1979-10-12
JPS54128425A (en)	1979-10-05
PL214174A1 (fr)	1979-11-05
GB2018823B (en)	1982-12-22
IT7948349A0 (it)	1979-03-14
AU4454479A (en)	1979-09-20
US4200477A (en)	1980-04-29
AR215786A1 (es)	1979-10-31
SE427117B (sv)	1983-03-07
DE2909020A1 (de)	1979-09-27
YU54279A (en)	1983-01-21
AU528202B2 (en)	1983-04-21
RO78544A (fr)	1982-04-12
ES478713A1 (es)	1979-07-01
BR7901466A (pt)	1979-10-09
IT1114600B (it)	1986-01-27
SE7902307L (sv)	1979-09-17

Legal Events

Date

Code

Title

Description

1984-09-30

RE

Patent lapsed

Owner name: ALLEGHENY LUDLUM INDUSTRIES INC.

Effective date: 19840316

Publication	Publication Date	Title
FR2488880B1 (fr)	1986-10-31	Procede pour preparer une ceramique ou un metal moule
BE874909A (fr)	1979-09-17	Procede pour preparer un acier electromagnetique au silicium
FR2424327B1 (fr)	1986-03-21	Acier pour paliers
BE44T1 (fr)	1980-02-29	Procede de brassage electromagnetique de billettes ou blooms coules en continu
RO77272A (fr)	1981-08-17	Procede pour preparer o-methaliloxyphenole
BE885686A (fr)	1981-04-14	Procede pour preparer un acier au silicium electromagnetique a grains orientes et acier obtenu par ce procede
RO76946A (fr)	1982-02-26	Procede pour preparer s-2,3,3-trichloralyl-diisopropyle thiocarbamate
BE883396A (fr)	1980-11-21	Procede pour preparer un acier electromagnetique au silicium ayant une orientation cube sur arete
YU34580A (en)	1983-02-28	Process for obtaining electromagnetic silicon steel
FR2394616B1 (fr)	1985-10-18	Procede pour produire de l'acier au silicium pour les utilisations electromagnetiques
FR2300821A1 (fr)	1976-09-10	Procede pour preparer un acier au silicium de permeabilite magnetique elevee
BE855837A (fr)	1977-12-19	Acier en silicium a teneur commandee en cuire et procede pour le produire
RO76866A (fr)	1982-03-24	Procede pour la preparation de p-aminodiphenylamine
RO88542A (fr)	1986-02-28	Procede pour preparer 8-methoxy-4,8-dimethyle-1-(4-iso-propylphenyle)-monane
BE877199A (fr)	1979-10-15	Procede pour preparer du dimethylformamide
RO79971A (fr)	1983-02-01	Procede pour preparer 11,17,21-trihydroxypregna-4-en-3,20-dione
BE855315A (fr)	1977-10-03	Procede pour preparer le pu02
BE889993A (fr)	1982-02-18	Procede pour la production d'un acier au silicium electromagnetique a structure de goss
BE867678A (fr)	1978-11-30	Procede pour preparer de l'o-cinnamylphenol
RO77250A (fr)	1981-08-17	Procede pour preparer 2-mercaptobenzthiazole
GB2022141B (en)	1983-01-12	Process for producing high permeability electromagnetic silicon steel
RO81554A2 (fr)	1983-04-29	Procede pour preparer 5-acetyle-3-nitro-iminodibenzyle
RO82905A2 (fr)	1984-01-14	Procede pour preparer p-nit-o-omega-acetamidoacetophenone
RO85553A2 (fr)	1985-02-25	Procede pour preparer 5,6-dihydro-2-methyle-n-phenyle-1,4-o0atiin-3-carbo0amide
RO70999A2 (fr)	1981-06-30	Procede pour preparer z-9-tricosene