CA1210672A - Method for at least partial isothermal bainitizing of workpieces made of ferrous materials - Google Patents

Method for at least partial isothermal bainitizing of workpieces made of ferrous materials

Info

Publication number
CA1210672A
CA1210672A CA000416913A CA416913A CA1210672A CA 1210672 A CA1210672 A CA 1210672A CA 000416913 A CA000416913 A CA 000416913A CA 416913 A CA416913 A CA 416913A CA 1210672 A CA1210672 A CA 1210672A
Authority
CA
Canada
Prior art keywords
temperature
bath
intermediate cooling
workpieces
cooling
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
CA000416913A
Other languages
English (en)
French (fr)
Inventor
Wilhelm Hauke
Klaus Hornung
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.)
Georg Fischer AG
Original Assignee
Georg Fischer AG
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 Georg Fischer AG filed Critical Georg Fischer AG
Application granted granted Critical
Publication of CA1210672A publication Critical patent/CA1210672A/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
    • 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

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)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Steel (AREA)
CA000416913A 1981-12-03 1982-12-02 Method for at least partial isothermal bainitizing of workpieces made of ferrous materials Expired CA1210672A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH7726/81A CH648350A5 (de) 1981-12-03 1981-12-03 Verfahren zum isothermen bainitisieren von werkstuecken aus eisenwerkstoffen.
CH7726/81-5 1981-12-03

Publications (1)

Publication Number Publication Date
CA1210672A true CA1210672A (en) 1986-09-02

Family

ID=4329552

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000416913A Expired CA1210672A (en) 1981-12-03 1982-12-02 Method for at least partial isothermal bainitizing of workpieces made of ferrous materials

Country Status (6)

Country Link
EP (1) EP0095470A1 (it)
BR (1) BR8208004A (it)
CA (1) CA1210672A (it)
CH (1) CH648350A5 (it)
IT (1) IT1153659B (it)
WO (1) WO1983001959A1 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590508B1 (fr) * 1985-11-27 1988-06-24 Pont A Mousson Procede d'obtention de pieces moulees en fonte a graphite spheroidal et fonte obtenue par ce procede
IT1216347B (it) * 1986-11-20 1990-02-22 Necchi Spa Procedimento per ottenere getti in ghisa sferoidale bainitica
FR2697535B1 (fr) * 1992-11-02 1995-01-13 Schissler Jean Marie Procédé amélioré de traitement thermique d'alliages ferreux ou non-ferreux, et son application à l'élaboration de fonte bainitique.
DE4313569C1 (de) * 1993-04-26 1994-05-26 Daimler Benz Ag Verfahren zum Härten von Kugelgraphitgußeisenteilen
SE510344C2 (sv) * 1997-08-01 1999-05-17 Ovako Steel Ab Sätt för fullständig bainithärdning av stål
DE102006059050A1 (de) * 2006-12-14 2008-06-19 Schaeffler Kg Verfahren zur Wärmebehandlung von Wälzlagerbauteilen aus durchgehärtetem, bainitischem Wälzlagerstahl
CN104294014B (zh) * 2013-07-18 2016-12-28 首都航天机械公司 中碳硅锰铬镍系低合金钢的贝氏体等温热处理方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB601588A (en) * 1943-07-06 1948-05-10 Charles Greiner Purnell Improvements in and relating to heat treatment of hardenable steel
US2258566A (en) * 1940-07-30 1941-10-07 American Steel & Wire Co Hardenable steel heat treatment
DE872956C (de) * 1943-08-28 1953-04-09 Deutsche Edelstahlwerke Ag Zwischenstufenverguetung von unlegierten und legierten Staehlen
DE2054416C3 (de) * 1970-11-05 1974-09-05 Gesellschaft Zur Foerderung Der Eisenhuettentechnik Mbh, 4000 Duesseldorf Verfahren zur Wärmebehandlung von Vergütungsstählen
US3860457A (en) * 1972-07-12 1975-01-14 Kymin Oy Kymmene Ab A ductile iron and method of making it
US3784416A (en) * 1972-09-29 1974-01-08 Canron Ltd Manufacture of white cast iron
FR2358465A1 (fr) * 1976-07-13 1978-02-10 Bochumer Eisen Heintzmann Procede et dispositif pour fabriquer des segments de profile d'acier utilises pour le soutenement de galeries souterraines
DE2853870A1 (de) * 1978-12-13 1980-07-03 Schmidt Gmbh Karl Gusseisen mit kugelgraphit mit austenitisch-bainitischem mischgefuege

Also Published As

Publication number Publication date
IT8224385A1 (it) 1984-05-23
IT1153659B (it) 1987-01-14
IT8224385A0 (it) 1982-11-23
EP0095470A1 (de) 1983-12-07
CH648350A5 (de) 1985-03-15
BR8208004A (pt) 1983-10-18
WO1983001959A1 (en) 1983-06-09

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Legal Events

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