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FR971798A - Process for the formation of nitride layers on iron and steel - Google Patents

Process for the formation of nitride layers on iron and steel

Info

Publication number
FR971798A
FR971798A FR971798DA FR971798A FR 971798 A FR971798 A FR 971798A FR 971798D A FR971798D A FR 971798DA FR 971798 A FR971798 A FR 971798A
Authority
FR
France
Prior art keywords
iron
steel
formation
nitride layers
nitride
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.)
UNITED WESTERN CORP
Original Assignee
UNITED WESTERN CORP
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 UNITED WESTERN CORP filed Critical UNITED WESTERN CORP
Application granted granted Critical
Publication of FR971798A publication Critical patent/FR971798A/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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/42—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 liquids, e.g. salt baths, liquid suspensions only one element being applied
    • C23C8/48—Nitriding
    • C23C8/50—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)
FR971798D 1947-09-19 1948-09-17 Process for the formation of nitride layers on iron and steel Expired FR971798A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MA971798X 1947-09-19

Publications (1)

Publication Number Publication Date
FR971798A true FR971798A (en) 1951-01-22

Family

ID=19737000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971798D Expired FR971798A (en) 1947-09-19 1948-09-17 Process for the formation of nitride layers on iron and steel

Country Status (1)

Country Link
FR (1) FR971798A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0421236A1 (en) * 1989-10-04 1991-04-10 Degussa Aktiengesellschaft Process for the nitrocarburizing of steel pieces
FR2731232A1 (en) * 1995-03-01 1996-09-06 Stephanois Rech METHOD OF TREATING FERROUS SURFACES SUBJECTED TO HIGH FRICTIONAL SOLLICITATIONS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0421236A1 (en) * 1989-10-04 1991-04-10 Degussa Aktiengesellschaft Process for the nitrocarburizing of steel pieces
FR2731232A1 (en) * 1995-03-01 1996-09-06 Stephanois Rech METHOD OF TREATING FERROUS SURFACES SUBJECTED TO HIGH FRICTIONAL SOLLICITATIONS
US5753052A (en) * 1995-03-01 1998-05-19 Centre Stephanois De Recherches Mecaniques Hydromecanique Et Frottement Method of treating ferrous surfaces subjected to high friction strains

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