AT298539B - Device for the surface treatment of workpieces in an annealing furnace - Google Patents

Device for the surface treatment of workpieces in an annealing furnace

Info

Publication number
AT298539B
AT298539B AT288970A AT288970A AT298539B AT 298539 B AT298539 B AT 298539B AT 288970 A AT288970 A AT 288970A AT 288970 A AT288970 A AT 288970A AT 298539 B AT298539 B AT 298539B
Authority
AT
Austria
Prior art keywords
workpieces
surface treatment
annealing furnace
annealing
furnace
Prior art date
Application number
AT288970A
Other languages
German (de)
Original Assignee
Degussa
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
Priority claimed from DE19691915866 external-priority patent/DE1915866A1/en
Application filed by Degussa filed Critical Degussa
Application granted granted Critical
Publication of AT298539B publication Critical patent/AT298539B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • 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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
    • C23C8/30—Carbo-nitriding
    • C23C8/32—Carbo-nitriding of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Catalysts (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
AT288970A 1967-03-23 1970-03-27 Device for the surface treatment of workpieces in an annealing furnace AT298539B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DED0052614 1967-03-23
DE19691915866 DE1915866A1 (en) 1969-03-28 1969-03-28 Device for surface treatment of workpieces in an annealing furnace

Publications (1)

Publication Number Publication Date
AT298539B true AT298539B (en) 1972-05-10

Family

ID=25757197

Family Applications (1)

Application Number Title Priority Date Filing Date
AT288970A AT298539B (en) 1967-03-23 1970-03-27 Device for the surface treatment of workpieces in an annealing furnace

Country Status (2)

Country Link
US (1) US3620518A (en)
AT (1) AT298539B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3796615A (en) * 1971-06-23 1974-03-12 Hayes Inc C I Method of vacuum carburizing
GB1471880A (en) * 1973-10-26 1977-04-27 Air Prod & Chem Furnace atmosphere for the heat treatment of ferrous metal
FR2306936A1 (en) * 1975-04-11 1976-11-05 Azote & Prod Chim METHOD AND DEVICE FOR GENERATING A REDUCING ATMOSPHERE FOR A HEAT TREATMENT PLANT
US4249965A (en) * 1978-09-19 1981-02-10 Midland-Ross Corporation Method of generating carrier gas
US4216033A (en) * 1978-12-26 1980-08-05 United States Steel Corporation Method of nitriding steel
EP0024106B1 (en) * 1979-07-09 1986-01-02 Ford Motor Company Limited Method of heat treating ferrous workpieces
IT1291479B1 (en) * 1997-01-29 1999-01-11 Rivoira Spa PROCESS OF HEAT TREATMENT OF METALLIC PIECES WITH A FERROUS BASE IN AN ACTIVE ATMOSPHERE WITH A HIGH CARBON POTENTIAL.
DE102008029001B3 (en) * 2008-06-20 2009-09-17 Ipsen International Gmbh Method and device for the heat treatment of metallic materials
DE102009038598B4 (en) 2009-08-26 2017-06-22 Ipsen International Gmbh Process and device for the treatment of process gases for heat treatment of metallic materials / workpieces in industrial furnaces

Family Cites Families (4)

* 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
DE1433735B1 (en) * 1963-09-21 1969-09-04 Werner Goehring Process for achieving a furnace atmosphere with which an oxidation-free heat treatment of workpieces made of steel can be carried out while at the same time influencing the carbon content
US3331594A (en) * 1965-02-23 1967-07-18 North American Mfg Method and apparatus for scale free heating of metals
DE1533964B2 (en) * 1967-03-23 1975-11-13 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Oven for surface treatment of workpieces in protective or carrier gas

Also Published As

Publication number Publication date
US3620518A (en) 1971-11-16

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time