FR729466A - Austenitic alloys nitrogen hardening process - Google Patents

Austenitic alloys nitrogen hardening process

Info

Publication number
FR729466A
FR729466A FR729466DA FR729466A FR 729466 A FR729466 A FR 729466A FR 729466D A FR729466D A FR 729466DA FR 729466 A FR729466 A FR 729466A
Authority
FR
France
Prior art keywords
hardening process
austenitic alloys
nitrogen hardening
nitrogen
austenitic
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.)
COMMENTRY
Original Assignee
COMMENTRY
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 COMMENTRY filed Critical COMMENTRY
Application granted granted Critical
Publication of FR729466A publication Critical patent/FR729466A/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
    • C23C8/24—Nitriding
    • C23C8/26—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)
FR729466D 1931-03-14 1931-03-14 Austenitic alloys nitrogen hardening process Expired FR729466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR729466T 1931-03-14

Publications (1)

Publication Number Publication Date
FR729466A true FR729466A (en) 1932-07-25

Family

ID=9112458

Family Applications (1)

Application Number Title Priority Date Filing Date
FR729466D Expired FR729466A (en) 1931-03-14 1931-03-14 Austenitic alloys nitrogen hardening process

Country Status (1)

Country Link
FR (1) FR729466A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1928695A1 (en) * 1968-06-07 1970-01-15 Allegheny Ludlum Steel Improved Internal Nitride Formation Stainless Steel and Processes for Making It

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1928695A1 (en) * 1968-06-07 1970-01-15 Allegheny Ludlum Steel Improved Internal Nitride Formation Stainless Steel and Processes for Making It

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