GB1420371A - Iron-cobalt alloys - Google Patents

Iron-cobalt alloys

Info

Publication number
GB1420371A
GB1420371A GB622973A GB622973A GB1420371A GB 1420371 A GB1420371 A GB 1420371A GB 622973 A GB622973 A GB 622973A GB 622973 A GB622973 A GB 622973A GB 1420371 A GB1420371 A GB 1420371A
Authority
GB
United Kingdom
Prior art keywords
cold rolling
annealing
feb
iron
cobalt alloys
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
GB622973A
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 GB1420371A publication Critical patent/GB1420371A/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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • 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
    • C21D8/1227—Warm rolling

Landscapes

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

Abstract

1420371 Altering molecular structures WESTINGHOUSE ELECTRIC CORP 8 Feb 1973 [22 Feb 1972] 6229/73 Heading B3V [Also in Division C7] Magnetic alloys contain 5-35% of Co, up to 3% of an element which improves volume resistivity, and balance Fe, and have a primary recrystallized grain structure with a predominantly (110)[001] texture. Preferred additions are up to 2% Cr, up to 3% Si or up to 1% Si, but V, Al, Ti or Mo are also referred to. The alloy should contain less than 0À005% S. Processing to the desired structure involves hot rolling, preferably at 1000-1100‹ C., annealing, preferably at 600-900‹ C., cold rolling at least once with a reduction of 40-75% in the final stage and finally annealing in the range 800‹ C.-Ac 1 . Intermediate annealing at 700- 900‹ C. may be carried out between cold rolling steps, or the initial cold rolling steps may in fact be warm-working at 200-300‹ C. One at least of the anneals may use a decarburizing atmosphere.
GB622973A 1972-02-22 1973-02-08 Iron-cobalt alloys Expired GB1420371A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00228071A US3843424A (en) 1972-02-22 1972-02-22 Normal grain growth(110)(001)textured iron-cobalt alloys

Publications (1)

Publication Number Publication Date
GB1420371A true GB1420371A (en) 1976-01-07

Family

ID=22855655

Family Applications (1)

Application Number Title Priority Date Filing Date
GB622973A Expired GB1420371A (en) 1972-02-22 1973-02-08 Iron-cobalt alloys

Country Status (8)

Country Link
US (1) US3843424A (en)
JP (1) JPS4897722A (en)
BE (1) BE795762A (en)
CA (1) CA988752A (en)
DE (1) DE2307929A1 (en)
FR (1) FR2173187B1 (en)
GB (1) GB1420371A (en)
IT (1) IT976647B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3977919A (en) * 1973-09-28 1976-08-31 Westinghouse Electric Corporation Method of producing doubly oriented cobalt iron alloys
US4204887A (en) * 1975-04-04 1980-05-27 The Foundation: The Research Institute Of Electric And Magnetic Alloys High damping capacity alloy
US4208254A (en) * 1976-09-22 1980-06-17 Satoshi Ichioka Method of plating an iron-cobalt alloy on a substrate
US4529445A (en) * 1983-02-08 1985-07-16 U.S. Philips Corporation Invar alloy on the basis of iron having a crystal structure of the cubic NaZn13 type
DE19928764B4 (en) * 1999-06-23 2005-03-17 Vacuumschmelze Gmbh Low coercivity iron-cobalt alloy and process for producing iron-cobalt alloy semi-finished product
KR102295144B1 (en) 2014-11-25 2021-08-30 아뻬랑 Basic module for magnetic core of an electrical transformer, magnetic core comprising said basic module, method for manufacturing said magnetic core, and transformer comprising said magnetic core
US20160329139A1 (en) 2015-05-04 2016-11-10 Carpenter Technology Corporation Ultra-low cobalt iron-cobalt magnetic alloys
WO2017016604A1 (en) 2015-07-29 2017-02-02 Aperam Feco alloy, fesi alloy or fe sheet or strip and production method thereof, magnetic transformer core produced from said sheet or strip, and transformer comprising same
MX2019003651A (en) 2016-09-30 2019-09-18 Aperam Transformer core for a cut-and-stack type transformer, and transformer including same.
KR102318304B1 (en) 2016-10-21 2021-10-29 씨알에스 홀딩즈 인코포레이티드 Reduction of regular growth of soft magnetic FE-CO alloys
CN113897558B (en) * 2021-10-08 2022-10-11 北京北冶功能材料有限公司 High-saturation-magnetic-induction high-permeability iron-based soft magnetic material and preparation method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR903197A (en) * 1943-02-20 1945-09-26 Fides Gmbh Magnetic alloy

Also Published As

Publication number Publication date
FR2173187B1 (en) 1977-04-22
IT976647B (en) 1974-09-10
FR2173187A1 (en) 1973-10-05
US3843424A (en) 1974-10-22
BE795762A (en) 1973-08-22
JPS4897722A (en) 1973-12-12
CA988752A (en) 1976-05-11
DE2307929A1 (en) 1973-09-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee