GB895093A - Method for producing fiber texture and cube-texture sheets of iron-base alloys - Google Patents

Method for producing fiber texture and cube-texture sheets of iron-base alloys

Info

Publication number
GB895093A
GB895093A GB35110/60A GB3511060A GB895093A GB 895093 A GB895093 A GB 895093A GB 35110/60 A GB35110/60 A GB 35110/60A GB 3511060 A GB3511060 A GB 3511060A GB 895093 A GB895093 A GB 895093A
Authority
GB
United Kingdom
Prior art keywords
sheet
temperature
texture
hours
annealing
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
GB35110/60A
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB895093A publication Critical patent/GB895093A/en
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
    • C21D8/1216—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
    • C21D8/1255—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 with diffusion of elements, e.g. decarburising, nitriding
    • 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
    • C21D8/1244—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)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

A process of producing a thin magnetic sheet having a large proportion of cube-on-face oriented grains from a thicker sheet with [001] fibre texture comprising not more than 6% by weight silicon, and/or not more than 8% by weight aluminium, and/or not more than 5% by weight molybdenum with the balance being iron except for small amounts of impurities, said process comprises the steps of (1) cold rolling the fibre texture sheet to effect a reduction in thickness of from 40% to 80%, (2) annealing the resulting thinner sheet at a temperature between 400 DEG C. to 600 DEG C. for 4 to 48 hours to obtain partial primary crystallization, (3) completing the anneal at a temperature between 700 DEG C. to 1000 DEG C. for a period between 1/2 hour to 12 hours to obtain substantially complete primary recrystallization and (4) repeating the steps (1), (2) and (3) at least once in the order set forth whereby a thin magnetic sheet is produced which has at least 40% of the grains with (100) [001] orientation with the crystallographic direction [001] being in the direction of rolling. The thicker sheet with [001] fibre texture is produced from a hot rolled plate by cold rolling the plate to effect a 40% to 80% reduction in thickness, annealing the reduced plate at a temperature of from 700 DEG C. to 1000 DEG C. for from 1 to 5 hours in wet hydrogen to provide recrystallization and decarbonization and annealing the recrystallized plate at a temperature of from 1100 DEG C. to 1300 DEG C. for from 6 to 48 hours in dry hydrogen whereby the [001] fibre texture sheet is obtained. A thin magnetic sheet produced by the above process is subjected to a final anneal at a temperature from 1100 DEG C. to 1300 DEG C. Several examples of the process are given in the Specification. Specification 882,810 is referred to.
GB35110/60A 1959-11-18 1960-10-13 Method for producing fiber texture and cube-texture sheets of iron-base alloys Expired GB895093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US853929A US3089795A (en) 1959-11-18 1959-11-18 Method for producing fiber texture and cube-texture sheets of iron-base alloys

Publications (1)

Publication Number Publication Date
GB895093A true GB895093A (en) 1962-05-02

Family

ID=25317250

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35110/60A Expired GB895093A (en) 1959-11-18 1960-10-13 Method for producing fiber texture and cube-texture sheets of iron-base alloys

Country Status (3)

Country Link
US (1) US3089795A (en)
DE (1) DE1408975A1 (en)
GB (1) GB895093A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196054A (en) * 1963-08-14 1965-07-20 Armco Steel Corp Process of decarburizing and annealing of open coil silicon-iron sheet stock without intervening surface treatment
BE629681A (en) * 1962-03-19
US3278348A (en) * 1965-01-28 1966-10-11 Westinghouse Electric Corp Process for producing doubly oriented cube-on-face magnetic sheet material
US3637442A (en) * 1967-02-13 1972-01-25 Gen Electric Process for producing plastically deformed iron-rhodium base alloy bodies
JPS5319913A (en) * 1976-08-10 1978-02-23 Nippon Steel Corp Preparation of unidirectional silicon steel sheet superior in magnetism from continuous casting slab
SE448381B (en) * 1978-09-19 1987-02-16 Tsuya Noboru SET TO MAKE A THIN BAND OF SILICONE, THIN BAND AND APPLICATION
JPS57145963A (en) * 1981-03-04 1982-09-09 Hitachi Metals Ltd Material for magnetic head and its manufacture
JPS60220914A (en) * 1984-04-18 1985-11-05 Sony Corp Magnetic thin film
JPS60220913A (en) * 1984-04-18 1985-11-05 Sony Corp Magnetic thin film
JPH0674460B2 (en) * 1985-06-26 1994-09-21 日新製鋼株式会社 Magnetic steel sheet manufacturing method
US5354389A (en) * 1991-07-29 1994-10-11 Nkk Corporation Method of manufacturing silicon steel sheet having grains precisely arranged in Goss orientation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2053162A (en) * 1936-02-18 1936-09-01 Gen Electric Core for dynamo-electric machines
US2473156A (en) * 1944-11-16 1949-06-14 Armco Steel Corp Process for developing high magnetic permeability and low core loss in very thin silicon steel
US2582382A (en) * 1946-11-23 1952-01-15 Armco Steel Corp Production of electrical steel strip
DE1009214B (en) * 1954-03-27 1957-05-29 Ver Deutsche Metallwerke Ag Process for creating a distinctive cube texture in magnetizable strips and sheets made of iron alloys containing silicon and / or aluminum
BE563544A (en) * 1956-12-31
US2875114A (en) * 1957-04-12 1959-02-24 Westinghouse Electric Corp Iron-aluminum materials for magnetic applications

Also Published As

Publication number Publication date
US3089795A (en) 1963-05-14
DE1408975A1 (en) 1968-10-17

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