GB1287424A - Process for producing oriented magnetic steel plates low in the iron loss - Google Patents

Process for producing oriented magnetic steel plates low in the iron loss

Info

Publication number
GB1287424A
GB1287424A GB5312869A GB5312869A GB1287424A GB 1287424 A GB1287424 A GB 1287424A GB 5312869 A GB5312869 A GB 5312869A GB 5312869 A GB5312869 A GB 5312869A GB 1287424 A GB1287424 A GB 1287424A
Authority
GB
United Kingdom
Prior art keywords
magnetic steel
oriented magnetic
steel plates
iron loss
boron
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
GB5312869A
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of GB1287424A publication Critical patent/GB1287424A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
    • 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
    • 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
    • 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

Landscapes

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

Abstract

1287424 Oriented magnetic steel NIPPON STEEL CORP 30 Oct 1969 [1 Nov 1968 10 Dec 1968] 53128/69 Headings C7A and C7N Steel containing less than 4% by weight of silicon and less than 0À065% of acid-soluble aluminium is subjected to a sequence of hot and cold rolling and annealing, followed by a final anneal using a separating agent containing boron or a boron compound in an amount of 0À01 to 2% by weight calculated as boron. Additionally the separator may contain 0À05 to 5% by weight of sulphur or selenium, either elementally or as a compound.
GB5312869A 1968-11-01 1969-10-30 Process for producing oriented magnetic steel plates low in the iron loss Expired GB1287424A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7948468 1968-11-01
JP9042768 1968-12-10

Publications (1)

Publication Number Publication Date
GB1287424A true GB1287424A (en) 1972-08-31

Family

ID=26420503

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5312869A Expired GB1287424A (en) 1968-11-01 1969-10-30 Process for producing oriented magnetic steel plates low in the iron loss

Country Status (5)

Country Link
BE (1) BE741061A (en)
DE (1) DE1954773C3 (en)
FR (1) FR2022396A1 (en)
GB (1) GB1287424A (en)
SE (1) SE358413B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047129A1 (en) * 1980-08-27 1982-03-10 Kawasaki Steel Corporation Grain-oriented silicon steel sheets having a very low iron loss and methods for producing the same
GB2307917B (en) * 1995-12-08 1999-03-17 Hitachi Powdered Metals Manufacturing process of sintered iron alloy improved in machinability,mixed powder for manufacturing modification of iron alloy and iron alloy product

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7407600L (en) * 1973-06-26 1974-12-27 Merck & Co Inc
YU36756B (en) * 1973-07-23 1984-08-31 Centro Speriment Metallurg Method of manufacturing unidirectional plates of silicon steel with a high magnetic induction
FR2288151A1 (en) * 1974-10-14 1976-05-14 Nippon Steel Corp Annealing silicon steel sheet or strip - using parting cpd. contg. magnesium oxide and boron oxide as magnesium borate
US4010050A (en) * 1975-09-08 1977-03-01 Allegheny Ludlum Industries, Inc. Processing for aluminum nitride inhibited oriented silicon steel
SE7703456L (en) * 1976-04-15 1977-10-16 Gen Electric THILE PLATE OF IRON IRON WITH ADDITIONAL ADDITION AND PROCEDURE FOR MANUFACTURE THEREOF
US4102713A (en) * 1976-06-17 1978-07-25 Allegheny Ludlum Industries, Inc. Silicon steel and processing therefore
ZA773084B (en) * 1976-06-17 1978-04-26 Allegheny Ludlum Ind Inc Silicon steel and processing therefor
GB1597656A (en) * 1977-05-20 1981-09-09 Armco Inc Process of producing an electrically insulative glass film on silicon steel
DE2834035A1 (en) * 1977-09-29 1979-04-12 Gen Electric METHOD FOR PRODUCING GRAIN ORIENTED SILICON IRON FLAT MATERIAL AND COLD-ROLLED SILICON IRON FLAT MATERIAL AS PRODUCT
GB1594826A (en) * 1977-11-22 1981-08-05 British Steel Corp Electrical steels
US4160681A (en) * 1977-12-27 1979-07-10 Allegheny Ludlum Industries, Inc. Silicon steel and processing therefore

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1924311A (en) * 1931-01-06 1933-08-29 Westinghouse Electric & Mfg Co Insulating material
FR824888A (en) * 1936-07-31 1938-02-17 Westinghouse Electric & Mfg Co Coatings for ferrous alloys
FR1450626A (en) * 1964-06-29 1966-06-24 Armco Steel Corp Process for obtaining silicon steel sheets with magnetic applications
FR1525917A (en) * 1965-06-28 1968-05-24 Armco Steel Corp Manufacturing process of oriented iron-based alloys and products thus obtained

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047129A1 (en) * 1980-08-27 1982-03-10 Kawasaki Steel Corporation Grain-oriented silicon steel sheets having a very low iron loss and methods for producing the same
GB2307917B (en) * 1995-12-08 1999-03-17 Hitachi Powdered Metals Manufacturing process of sintered iron alloy improved in machinability,mixed powder for manufacturing modification of iron alloy and iron alloy product

Also Published As

Publication number Publication date
BE741061A (en) 1970-04-01
DE1954773B2 (en) 1973-08-02
FR2022396A1 (en) 1970-07-31
DE1954773A1 (en) 1971-01-28
DE1954773C3 (en) 1974-02-28
SE358413B (en) 1973-07-30

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years