GB954165A - Method of annealing and decarburising electrical steel - Google Patents

Method of annealing and decarburising electrical steel

Info

Publication number
GB954165A
GB954165A GB46756/62A GB4675662A GB954165A GB 954165 A GB954165 A GB 954165A GB 46756/62 A GB46756/62 A GB 46756/62A GB 4675662 A GB4675662 A GB 4675662A GB 954165 A GB954165 A GB 954165A
Authority
GB
United Kingdom
Prior art keywords
electrical steel
annealing
decarburising
cooling
oxidizing atmosphere
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
GB46756/62A
Other languages
English (en)
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.)
John Lysaght Australia Pty Ltd
Original Assignee
John Lysaght Australia Pty Ltd
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
Priority claimed from AU13482/62A external-priority patent/AU256540B2/en
Application filed by John Lysaght Australia Pty Ltd filed Critical John Lysaght Australia Pty Ltd
Publication of GB954165A publication Critical patent/GB954165A/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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1255—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment 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
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/04—Decarburising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
GB46756/62A 1962-01-19 1962-12-11 Method of annealing and decarburising electrical steel Expired GB954165A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU13482/62A AU256540B2 (en) 1962-01-19 Method of annealing electrical steel

Publications (1)

Publication Number Publication Date
GB954165A true GB954165A (en) 1964-04-02

Family

ID=3703782

Family Applications (1)

Application Number Title Priority Date Filing Date
GB46756/62A Expired GB954165A (en) 1962-01-19 1962-12-11 Method of annealing and decarburising electrical steel

Country Status (3)

Country Link
US (1) US3201294A (enExample)
BE (1) BE626475A (enExample)
GB (1) GB954165A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59222525A (ja) * 1983-05-31 1984-12-14 Nippon Steel Corp 電気機器用鉄心素材の焼鈍方法
US6221501B1 (en) * 1999-08-17 2001-04-24 Ltv Steel Company, Inc. Steel with electrically insulating hematite layer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1842162A (en) * 1929-02-11 1932-01-19 American Rolling Mill Co Treating silicon steel
US2158065A (en) * 1935-01-09 1939-05-16 American Rolling Mill Co Art of producing magnetic materials
US2227156A (en) * 1938-09-20 1940-12-31 Gen Electric Treatment of electrical apparatus
US2264859A (en) * 1939-02-23 1941-12-02 Gen Electric Annealing silicon steel strip
US2303343A (en) * 1941-01-14 1942-12-01 Carnegie Illinois Steel Corp Silicon steel electrical strip
US2875113A (en) * 1957-11-15 1959-02-24 Gen Electric Method of decarburizing silicon steel in a wet inert gas atmosphere

Also Published As

Publication number Publication date
BE626475A (enExample)
US3201294A (en) 1965-08-17

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