AT271538B - Verfahren zur Verminderung der im Niederfrequenzgebiet oberhalb 50 Hz durch Wirbelströme und Hysterese verursachten Verluste in Blechen aus Eisen-Silizium-Legierungen - Google Patents

Verfahren zur Verminderung der im Niederfrequenzgebiet oberhalb 50 Hz durch Wirbelströme und Hysterese verursachten Verluste in Blechen aus Eisen-Silizium-Legierungen

Info

Publication number
AT271538B
AT271538B AT730767A AT730767A AT271538B AT 271538 B AT271538 B AT 271538B AT 730767 A AT730767 A AT 730767A AT 730767 A AT730767 A AT 730767A AT 271538 B AT271538 B AT 271538B
Authority
AT
Austria
Prior art keywords
hysteresis
losses
iron
reducing
low frequency
Prior art date
Application number
AT730767A
Other languages
German (de)
English (en)
Inventor
Dietrich Dr Ganz
Original Assignee
Vacuumschmelze Gmbh
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 Vacuumschmelze Gmbh filed Critical Vacuumschmelze Gmbh
Application granted granted Critical
Publication of AT271538B publication Critical patent/AT271538B/de

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
    • C21D8/1216—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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
AT730767A 1966-09-14 1967-08-07 Verfahren zur Verminderung der im Niederfrequenzgebiet oberhalb 50 Hz durch Wirbelströme und Hysterese verursachten Verluste in Blechen aus Eisen-Silizium-Legierungen AT271538B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV0031935 1966-09-14

Publications (1)

Publication Number Publication Date
AT271538B true AT271538B (de) 1969-06-10

Family

ID=7586843

Family Applications (1)

Application Number Title Priority Date Filing Date
AT730767A AT271538B (de) 1966-09-14 1967-08-07 Verfahren zur Verminderung der im Niederfrequenzgebiet oberhalb 50 Hz durch Wirbelströme und Hysterese verursachten Verluste in Blechen aus Eisen-Silizium-Legierungen

Country Status (6)

Country Link
US (1) US3513039A (xx)
AT (1) AT271538B (xx)
BE (1) BE702126A (xx)
DE (1) DE1558012A1 (xx)
FR (1) FR1550182A (xx)
GB (1) GB1146936A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE4302813C2 (de) * 1993-02-02 1996-01-18 Dresden Ev Inst Festkoerper Verfahren zur Herstellung einer Würfelflächentextur ((100) [Okl]) in Elektroblechen
ES2146714T3 (es) * 1994-04-26 2000-08-16 Ltv Steel Co Inc Procedimiento para la fabricacion de aceros electricos.
US6217673B1 (en) 1994-04-26 2001-04-17 Ltv Steel Company, Inc. Process of making electrical steels
US6068708A (en) * 1998-03-10 2000-05-30 Ltv Steel Company, Inc. Process of making electrical steels having good cleanliness and magnetic properties

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA464450A (en) * 1950-04-18 Armco Steel Corporation Production of silicon steel of uniformly low core loss
US1867818A (en) * 1929-04-02 1932-07-19 Edward M Freeland Method of treating silicon steel sheets
US2067036A (en) * 1932-11-19 1937-01-05 Wimmer Anton Process of producing metals for electrical purposes
US2535420A (en) * 1947-09-10 1950-12-26 Armco Steel Corp Process of producing silicon steel of high-directional permeability
US2738295A (en) * 1952-08-29 1956-03-13 Allegheny Ludlum Steel Process of producing silicon steel laminations
BE629681A (xx) * 1962-03-19
US3240638A (en) * 1964-10-21 1966-03-15 Westinghouse Electric Corp Use of silicon steel alloy having a critical sulfur range to insure cube-onface orientation
US3415696A (en) * 1965-08-16 1968-12-10 Jones & Laughlin Steel Corp Process of producing silicon steel laminations having a very large grain size after final anneal

Also Published As

Publication number Publication date
FR1550182A (xx) 1968-12-20
US3513039A (en) 1970-05-19
GB1146936A (en) 1969-03-26
DE1558012A1 (de) 1970-02-12
BE702126A (xx) 1968-01-02

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