FR970968A - High frequency current rail hardening process - Google Patents

High frequency current rail hardening process

Info

Publication number
FR970968A
FR970968A FR970968DA FR970968A FR 970968 A FR970968 A FR 970968A FR 970968D A FR970968D A FR 970968DA FR 970968 A FR970968 A FR 970968A
Authority
FR
France
Prior art keywords
high frequency
frequency current
hardening process
current rail
rail hardening
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
J-P Ecker
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.)
Arcelor Luxembourg SA
Original Assignee
Arbed SA
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 Arbed SA filed Critical Arbed SA
Application granted granted Critical
Publication of FR970968A publication Critical patent/FR970968A/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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails

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)
FR970968D 1947-10-23 1948-08-31 High frequency current rail hardening process Expired FR970968A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU970968X 1947-10-23

Publications (1)

Publication Number Publication Date
FR970968A true FR970968A (en) 1951-01-11

Family

ID=19734633

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970968D Expired FR970968A (en) 1947-10-23 1948-08-31 High frequency current rail hardening process

Country Status (1)

Country Link
FR (1) FR970968A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0293002A1 (en) * 1987-05-28 1988-11-30 Nippon Kokan Kabushiki Kaisha Method for heat-treating steel rail head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0293002A1 (en) * 1987-05-28 1988-11-30 Nippon Kokan Kabushiki Kaisha Method for heat-treating steel rail head
US4886558A (en) * 1987-05-28 1989-12-12 Nkk Corporation Method for heat-treating steel rail head

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