FR491029A - Improvements in the treatment of magnetic materials intended for use in static transformers and other electrical devices - Google Patents

Improvements in the treatment of magnetic materials intended for use in static transformers and other electrical devices

Info

Publication number
FR491029A
FR491029A FR491029DA FR491029A FR 491029 A FR491029 A FR 491029A FR 491029D A FR491029D A FR 491029DA FR 491029 A FR491029 A FR 491029A
Authority
FR
France
Prior art keywords
treatment
electrical devices
magnetic materials
materials intended
static transformers
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
Other languages
French (fr)
Inventor
Arthur Francis Berry
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR491029A publication Critical patent/FR491029A/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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/04—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering with simultaneous application of supersonic waves, magnetic or electric fields
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Soft Magnetic Materials (AREA)
FR491029D 1917-06-30 1918-07-25 Improvements in the treatment of magnetic materials intended for use in static transformers and other electrical devices Expired FR491029A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB948917A GB118425A (en) 1917-06-30 1917-06-30 Improvements in or relating to the Treatment of Magnetic Material suitable for use in Static Transformers and other Electrical Apparatus.

Publications (1)

Publication Number Publication Date
FR491029A true FR491029A (en) 1919-05-19

Family

ID=32343772

Family Applications (1)

Application Number Title Priority Date Filing Date
FR491029D Expired FR491029A (en) 1917-06-30 1918-07-25 Improvements in the treatment of magnetic materials intended for use in static transformers and other electrical devices

Country Status (3)

Country Link
DE (1) DE343945C (en)
FR (1) FR491029A (en)
GB (1) GB118425A (en)

Also Published As

Publication number Publication date
GB118425A (en) 1918-08-30
DE343945C (en) 1921-11-11

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