FR1120639A - Improvements in the production of atmospheres for the gas carburizing of ferrous alloys - Google Patents

Improvements in the production of atmospheres for the gas carburizing of ferrous alloys

Info

Publication number
FR1120639A
FR1120639A FR1120639DA FR1120639A FR 1120639 A FR1120639 A FR 1120639A FR 1120639D A FR1120639D A FR 1120639DA FR 1120639 A FR1120639 A FR 1120639A
Authority
FR
France
Prior art keywords
atmospheres
production
ferrous alloys
gas carburizing
carburizing
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
Other languages
French (fr)
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.)
Wild Barfield Electric Furnaces Ltd
Original Assignee
Wild Barfield Electric Furnaces Ltd
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 Wild Barfield Electric Furnaces Ltd filed Critical Wild Barfield Electric Furnaces Ltd
Application granted granted Critical
Publication of FR1120639A publication Critical patent/FR1120639A/en
Expired legal-status Critical Current

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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
FR1120639D 1954-01-29 1955-01-26 Improvements in the production of atmospheres for the gas carburizing of ferrous alloys Expired FR1120639A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB283054A GB748320A (en) 1954-01-29 1954-01-29 Improvements in the production of atmospheres for the gaseous cementation of ferrous alloys
GB3471254 1954-11-30

Publications (1)

Publication Number Publication Date
FR1120639A true FR1120639A (en) 1956-07-10

Family

ID=32328002

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1120639D Expired FR1120639A (en) 1954-01-29 1955-01-26 Improvements in the production of atmospheres for the gas carburizing of ferrous alloys

Country Status (5)

Country Link
BE (1) BE534801A (en)
CH (1) CH332227A (en)
DE (1) DE1008763B (en)
FR (1) FR1120639A (en)
GB (1) GB748320A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359351A (en) 1979-10-23 1982-11-16 Air Products And Chemicals, Inc. Protective atmosphere process for annealing and or spheroidizing ferrous metals
US4317687A (en) * 1980-05-12 1982-03-02 Air Products And Chemicals, Inc. Carburizing process utilizing atmospheres generated from nitrogen-ethanol based mixtures

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB629879A (en) * 1947-12-30 1949-09-29 Gen Electric Co Ltd Improvements in or relating to the carburization of iron and iron alloys
FR1000215A (en) * 1949-11-16 1952-02-11 Renault Gas preparation for the case-hardening of steel
DE918933C (en) * 1950-07-27 1954-10-07 Robert Von Linde Dipl Ing Process for the production of a flammable bright glow gas

Also Published As

Publication number Publication date
GB748320A (en) 1956-04-25
BE534801A (en)
DE1008763B (en) 1957-05-23
CH332227A (en) 1958-08-31

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