BR8202893A - PROCESS AND APPARATUS FOR PARTIAL THERMAL TREATMENT OF COMPONENT PIECES OF FERROUS METALS - Google Patents

PROCESS AND APPARATUS FOR PARTIAL THERMAL TREATMENT OF COMPONENT PIECES OF FERROUS METALS

Info

Publication number
BR8202893A
BR8202893A BR8202893A BR8202893A BR8202893A BR 8202893 A BR8202893 A BR 8202893A BR 8202893 A BR8202893 A BR 8202893A BR 8202893 A BR8202893 A BR 8202893A BR 8202893 A BR8202893 A BR 8202893A
Authority
BR
Brazil
Prior art keywords
thermal treatment
ferrous metals
component pieces
partial thermal
degrees
Prior art date
Application number
BR8202893A
Other languages
Portuguese (pt)
Inventor
Wilhelm Hauke
Original Assignee
Fischer Ag Georg
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 Fischer Ag Georg filed Critical Fischer Ag Georg
Publication of BR8202893A publication Critical patent/BR8202893A/en

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
    • C21D5/00—Heat treatments of cast-iron
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20—Isothermal quenching, e.g. bainitic hardening
    • 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
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath quenching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

1. Process for the partial heat treatment of components made from cast iron materials with spheroidal graphite and a pearlitic basic structure, in which the parts to undergo heat treatment are austenitized by inductive heating in a temperature range 850 to 1000 degrees C and are subsequently left in a quenching medium maintained in a temperature range 180 to 450 degrees C until converted into a bainitic structure.
BR8202893A 1981-05-21 1982-05-19 PROCESS AND APPARATUS FOR PARTIAL THERMAL TREATMENT OF COMPONENT PIECES OF FERROUS METALS BR8202893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3312/81A CH653706A5 (en) 1981-05-21 1981-05-21 METHOD AND DEVICE FOR SECTIONAL HEAT TREATMENT OF COMPONENTS MADE OF FERROUS MATERIALS.

Publications (1)

Publication Number Publication Date
BR8202893A true BR8202893A (en) 1983-05-03

Family

ID=4253262

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8202893A BR8202893A (en) 1981-05-21 1982-05-19 PROCESS AND APPARATUS FOR PARTIAL THERMAL TREATMENT OF COMPONENT PIECES OF FERROUS METALS

Country Status (7)

Country Link
EP (1) EP0065678B1 (en)
JP (1) JPS57194208A (en)
AT (1) ATE27465T1 (en)
BR (1) BR8202893A (en)
CA (1) CA1200741A (en)
CH (1) CH653706A5 (en)
DE (1) DE3276438D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5028281A (en) * 1988-06-14 1991-07-02 Textron, Inc. Camshaft
JP3580938B2 (en) * 1996-03-05 2004-10-27 アイシン・エィ・ダブリュ株式会社 Heated bainite treatment method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1687656A (en) * 1925-07-23 1928-10-16 Westinghouse Electric & Mfg Co Heat-treating method
DE1113225B (en) * 1957-09-19 1961-08-31 Tiroler Roehren & Metallwerk Process for surface hardening of cast iron
AT303097B (en) * 1969-03-06 1972-11-10 Boehler & Co Ag Geb Partial hardening process
US3860457A (en) * 1972-07-12 1975-01-14 Kymin Oy Kymmene Ab A ductile iron and method of making it

Also Published As

Publication number Publication date
ATE27465T1 (en) 1987-06-15
CA1200741A (en) 1986-02-18
CH653706A5 (en) 1986-01-15
EP0065678B1 (en) 1987-05-27
EP0065678A1 (en) 1982-12-01
JPS57194208A (en) 1982-11-29
DE3276438D1 (en) 1987-07-02

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