FR952850A - Improvement of the ferrous metal case-hardening process - Google Patents

Improvement of the ferrous metal case-hardening process

Info

Publication number
FR952850A
FR952850A FR952850DA FR952850A FR 952850 A FR952850 A FR 952850A FR 952850D A FR952850D A FR 952850DA FR 952850 A FR952850 A FR 952850A
Authority
FR
France
Prior art keywords
improvement
ferrous metal
metal case
hardening process
hardening
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)
Inventor
James Ronald Mott
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 filed Critical
Application granted granted Critical
Publication of FR952850A publication Critical patent/FR952850A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR952850D 1947-03-19 1947-09-10 Improvement of the ferrous metal case-hardening process Expired FR952850A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US952850XA 1947-03-19 1947-03-19

Publications (1)

Publication Number Publication Date
FR952850A true FR952850A (en) 1949-11-24

Family

ID=22251153

Family Applications (1)

Application Number Title Priority Date Filing Date
FR952850D Expired FR952850A (en) 1947-03-19 1947-09-10 Improvement of the ferrous metal case-hardening process

Country Status (1)

Country Link
FR (1) FR952850A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375337A1 (en) * 1976-12-21 1978-07-21 Pioneer Electronic Corp PERFECTED PROCESS FOR HARDENING A SURFACE MINERAL MATERIAL BY DIFFUSION OF ANOTHER MINERAL MATERIAL

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375337A1 (en) * 1976-12-21 1978-07-21 Pioneer Electronic Corp PERFECTED PROCESS FOR HARDENING A SURFACE MINERAL MATERIAL BY DIFFUSION OF ANOTHER MINERAL MATERIAL

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