FR2291275B1 - Traitement pour l'obtention d'aciers au silicium a grande permeabilite - Google Patents

Traitement pour l'obtention d'aciers au silicium a grande permeabilite

Info

Publication number
FR2291275B1
FR2291275B1 FR7532698A FR7532698A FR2291275B1 FR 2291275 B1 FR2291275 B1 FR 2291275B1 FR 7532698 A FR7532698 A FR 7532698A FR 7532698 A FR7532698 A FR 7532698A FR 2291275 B1 FR2291275 B1 FR 2291275B1
Authority
FR
France
Prior art keywords
treatment
high permeability
obtaining high
silicon steels
permeability silicon
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
FR7532698A
Other languages
English (en)
Other versions
FR2291275A1 (fr
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.)
Allegheny Ludlum Steel Corp
Original Assignee
Allegheny Ludlum Steel Corp
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 Allegheny Ludlum Steel Corp filed Critical Allegheny Ludlum Steel Corp
Publication of FR2291275A1 publication Critical patent/FR2291275A1/fr
Application granted granted Critical
Publication of FR2291275B1 publication Critical patent/FR2291275B1/fr
Expired legal-status Critical Current

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
    • 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
    • C21D8/1266—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 between cold rolling steps
    • 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
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1233—Cold rolling
    • 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
    • C21D8/1261—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 following hot rolling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Metal Rolling (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
FR7532698A 1974-11-18 1975-10-24 Traitement pour l'obtention d'aciers au silicium a grande permeabilite Expired FR2291275B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US524831A US3925115A (en) 1974-11-18 1974-11-18 Process employing cooling in a static atmosphere for high permeability silicon steel comprising copper

Publications (2)

Publication Number Publication Date
FR2291275A1 FR2291275A1 (fr) 1976-06-11
FR2291275B1 true FR2291275B1 (fr) 1985-10-31

Family

ID=24090841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7532698A Expired FR2291275B1 (fr) 1974-11-18 1975-10-24 Traitement pour l'obtention d'aciers au silicium a grande permeabilite

Country Status (16)

Country Link
US (1) US3925115A (fr)
JP (1) JPS5843443B2 (fr)
AR (1) AR207795A1 (fr)
BE (1) BE834875A (fr)
BR (1) BR7507584A (fr)
CA (1) CA1045955A (fr)
DE (1) DE2547313C2 (fr)
ES (1) ES441709A1 (fr)
FR (1) FR2291275B1 (fr)
GB (1) GB1478740A (fr)
IN (1) IN143213B (fr)
IT (1) IT1047746B (fr)
PL (1) PL106204B1 (fr)
SE (1) SE414948B (fr)
YU (1) YU291275A (fr)
ZA (1) ZA757206B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929522A (en) * 1974-11-18 1975-12-30 Allegheny Ludlum Ind Inc Process involving cooling in a static atmosphere for high permeability silicon steel comprising copper
US4054470A (en) * 1976-06-17 1977-10-18 Allegheny Ludlum Industries, Inc. Boron and copper bearing silicon steel and processing therefore
JPS5948935B2 (ja) * 1981-08-05 1984-11-29 新日本製鐵株式会社 低鉄損一方向性電磁鋼板の製造方法
JPS58157917A (ja) * 1982-03-15 1983-09-20 Kawasaki Steel Corp 磁気特性の優れた一方向性珪素鋼板の製造方法
DE3382043D1 (de) * 1982-08-18 1991-01-17 Kawasaki Steel Co Verfahren zum herstellen kornorientierter bleche oder baender aus siliziumstahl mit hoher magnetischer induktion und geringen eisenverlusten.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3287184A (en) * 1963-10-22 1966-11-22 Bethlehem Steel Corp Method of producing low carbon electrical sheet steel
FR2007129A1 (fr) * 1968-04-27 1970-01-02 Yawata Iron & Steel Co
US3671337A (en) * 1969-02-21 1972-06-20 Nippon Steel Corp Process for producing grain oriented electromagnetic steel sheets having excellent magnetic characteristics
BE790798A (fr) * 1971-11-04 1973-02-15 Armco Steel Corp Procédé de fabrication de fer au silicium à orientation cube-sur-arete à partir de brames coulées
US3770517A (en) * 1972-03-06 1973-11-06 Allegheny Ludlum Ind Inc Method of producing substantially non-oriented silicon steel strip by three-stage cold rolling
US3855018A (en) * 1972-09-28 1974-12-17 Allegheny Ludlum Ind Inc Method for producing grain oriented silicon steel comprising copper
US3873381A (en) * 1973-03-01 1975-03-25 Armco Steel Corp High permeability cube-on-edge oriented silicon steel and method of making it
US3855020A (en) * 1973-05-07 1974-12-17 Allegheny Ludlum Ind Inc Processing for high permeability silicon steel comprising copper
US3855021A (en) * 1973-05-07 1974-12-17 Allegheny Ludlum Ind Inc Processing for high permeability silicon steel comprising copper
US3855019A (en) * 1973-05-07 1974-12-17 Allegheny Ludlum Ind Inc Processing for high permeability silicon steel comprising copper

Also Published As

Publication number Publication date
IT1047746B (it) 1980-10-20
US3925115A (en) 1975-12-09
SE7512967L (sv) 1976-05-19
ZA757206B (en) 1976-11-24
GB1478740A (en) 1977-07-06
BE834875A (fr) 1976-02-16
DE2547313A1 (de) 1976-05-20
SE414948B (sv) 1980-08-25
JPS5843443B2 (ja) 1983-09-27
YU291275A (en) 1982-02-28
CA1045955A (fr) 1979-01-09
DE2547313C2 (de) 1986-07-03
FR2291275A1 (fr) 1976-06-11
ES441709A1 (es) 1977-03-16
AR207795A1 (es) 1976-10-29
IN143213B (fr) 1977-10-15
JPS5173921A (fr) 1976-06-26
AU8494675A (en) 1977-03-24
PL106204B1 (pl) 1979-12-31
BR7507584A (pt) 1976-08-03

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse