ES418741A1 - Mejoras introducidas en los dispositivos para la generacionde una atmosfera de hornos. - Google Patents

Mejoras introducidas en los dispositivos para la generacionde una atmosfera de hornos.

Info

Publication number
ES418741A1
ES418741A1 ES418741A ES418741A ES418741A1 ES 418741 A1 ES418741 A1 ES 418741A1 ES 418741 A ES418741 A ES 418741A ES 418741 A ES418741 A ES 418741A ES 418741 A1 ES418741 A1 ES 418741A1
Authority
ES
Spain
Prior art keywords
gaseous mixture
heat
temperature
reaction chamber
heat treatment
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
ES418741A
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.)
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
Publication of ES418741A1 publication Critical patent/ES418741A1/es
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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • C21D1/763—Adjusting the composition of the atmosphere using a catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Tunnel Furnaces (AREA)
ES418741A 1972-09-16 1973-09-13 Mejoras introducidas en los dispositivos para la generacionde una atmosfera de hornos. Expired ES418741A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1353572A CH579757A5 (es) 1972-09-16 1972-09-16

Publications (1)

Publication Number Publication Date
ES418741A1 true ES418741A1 (es) 1976-06-16

Family

ID=4393264

Family Applications (1)

Application Number Title Priority Date Filing Date
ES418741A Expired ES418741A1 (es) 1972-09-16 1973-09-13 Mejoras introducidas en los dispositivos para la generacionde una atmosfera de hornos.

Country Status (10)

Country Link
US (1) US3917238A (es)
AT (1) AT337239B (es)
CH (1) CH579757A5 (es)
DD (1) DD107308A5 (es)
DE (1) DE2346287C2 (es)
ES (1) ES418741A1 (es)
FR (1) FR2213352B1 (es)
GB (1) GB1441758A (es)
IT (1) IT993200B (es)
SE (1) SE401935B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51117934A (en) * 1975-04-09 1976-10-16 Fujikoshi Kk Droppinggtype gas carburizing furnace
US4369031A (en) * 1981-09-15 1983-01-18 Thermco Products Corporation Gas control system for chemical vapor deposition system
US6991687B2 (en) * 2001-07-27 2006-01-31 Surface Combustion, Inc. Vacuum carburizing with napthene hydrocarbons
US7033446B2 (en) * 2001-07-27 2006-04-25 Surface Combustion, Inc. Vacuum carburizing with unsaturated aromatic hydrocarbons
DE102009038598B4 (de) * 2009-08-26 2017-06-22 Ipsen International Gmbh Verfahren und Vorrichtung zur Aufbereitung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2124573A (en) * 1936-10-21 1938-07-26 Carl I Hayes Enveloping atmosphere control
US2275106A (en) * 1939-02-20 1942-03-03 Carl I Hayes Circulation of heat treatment atmospheres
DE752976C (de) * 1939-04-29 1953-02-02 Westinghouse Electric & Mfg Co Gaserzeuger zur Herstellung nicht entkohlend wirkender Gase
US2254047A (en) * 1939-06-23 1941-08-26 Westinghouse Electric & Mfg Co Built-in gas generator for industrial furnaces
FR1042529A (fr) * 1951-10-02 1953-11-02 Renault Procédé d'obtention d'atmosphère neutre pour le traitement thermique des métaux
DE1433735B1 (de) * 1963-09-21 1969-09-04 Werner Goehring Verfahren zur Erzielung einer Ofenatmosphaere,mit der eine oxydationsfreie Waermebehandlung von Werkstuecken aus Stahl unter gleichzeitiger Beeinflussung des Kohlenstoffgehalts durchfuehrbar ist
US3644099A (en) * 1969-09-15 1972-02-22 Holcroft & Co Gas atmosphere generating means for heat-treating furnaces
US3632979A (en) * 1970-05-25 1972-01-04 Edward J Mccrink Converter for producing controlled atmosphere for heat treating
FR2112825A5 (en) * 1970-11-10 1972-06-23 Inst Elektrotermicheskogo Obor Atmosphere forming cell - permits simultaneous prod of two distinct atmospheres

Also Published As

Publication number Publication date
CH579757A5 (es) 1976-09-15
DD107308A5 (es) 1974-07-20
GB1441758A (en) 1976-07-07
DE2346287C2 (de) 1984-06-14
AT337239B (de) 1977-06-27
ATA753373A (de) 1976-10-15
FR2213352B1 (es) 1976-05-07
US3917238A (en) 1975-11-04
DE2346287A1 (de) 1974-05-02
SE401935B (sv) 1978-06-05
IT993200B (it) 1975-09-30
FR2213352A1 (es) 1974-08-02

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