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AT287762B - 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
AT287762B
AT287762B AT289368A AT289368A AT287762B AT 287762 B AT287762 B AT 287762B AT 289368 A AT289368 A AT 289368A AT 289368 A AT289368 A AT 289368A AT 287762 B AT287762 B AT 287762B
Authority
AT
Austria
Prior art keywords
workpieces
surface treatment
annealing furnace
annealing
furnace
Prior art date
Application number
AT289368A
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
Application filed by Degussa filed Critical Degussa
Application granted granted Critical
Publication of AT287762B publication Critical patent/AT287762B/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)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Furnace Details (AREA)
  • Catalysts (AREA)
AT289368A 1967-03-23 1968-03-22 Device for the surface treatment of workpieces in an annealing furnace AT287762B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0052614 1967-03-23

Publications (1)

Publication Number Publication Date
AT287762B true AT287762B (en) 1971-02-10

Family

ID=7054321

Family Applications (1)

Application Number Title Priority Date Filing Date
AT289368A AT287762B (en) 1967-03-23 1968-03-22 Device for the surface treatment of workpieces in an annealing furnace

Country Status (5)

Country Link
US (1) US3519257A (en)
AT (1) AT287762B (en)
DE (1) DE1533964B2 (en)
FR (1) FR1577340A (en)
GB (1) GB1189046A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3620518A (en) * 1967-03-23 1971-11-16 Degussa Process and device for the treatment of surfaces of workpieces in an annealing furnace
GB1351234A (en) * 1970-07-21 1974-04-24 Nissan Motor Process for forming a soft nitride layer in a metal surface
US3796615A (en) * 1971-06-23 1974-03-12 Hayes Inc C I Method of vacuum carburizing
DE2324918C3 (en) * 1973-05-17 1983-12-08 Fa. J. Aichelin, 7015 Korntal Process for the production of epsilon carbonitride layers on parts made of iron alloys
US4160680A (en) * 1976-11-05 1979-07-10 Sola Basic Industries, Inc. Vacuum carburizing
US4249965A (en) * 1978-09-19 1981-02-10 Midland-Ross Corporation Method of generating carrier gas
DE3071318D1 (en) * 1979-07-09 1986-02-13 Ford Motor Co Method of heat treating ferrous workpieces
JPS5638419A (en) * 1979-09-05 1981-04-13 Kanto Yakin Kogyo Kk Metal heating furnace with protective atmosphere
DE3230723A1 (en) * 1982-08-18 1984-02-23 Linde Ag, 6200 Wiesbaden METHOD FOR PRODUCING A GAS ATMOSPHERE FOR THE GLOWING OF METAL WORKPIECES
US4596526A (en) * 1985-03-04 1986-06-24 Worthington Industries, Inc. Batch coil annealing furnace and method
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
EP2578704A1 (en) * 2011-10-07 2013-04-10 Linde Aktiengesellschaft Method and system for carburizing or carbonitriding a component and correspondingly treated component

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125327A (en) * 1964-03-17 williams
US3075757A (en) * 1957-08-28 1963-01-29 Engelhard Ind Inc Furnace
US3259527A (en) * 1963-10-21 1966-07-05 Midland Ross Corp Electric heating elements for carburizing atmospheres

Also Published As

Publication number Publication date
DE1533964A1 (en) 1970-07-23
US3519257A (en) 1970-07-07
DE1533964B2 (en) 1975-11-13
FR1577340A (en) 1969-08-08
GB1189046A (en) 1970-04-22

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time