FR2442281B1 - - Google Patents

Info

Publication number
FR2442281B1
FR2442281B1 FR7833493A FR7833493A FR2442281B1 FR 2442281 B1 FR2442281 B1 FR 2442281B1 FR 7833493 A FR7833493 A FR 7833493A FR 7833493 A FR7833493 A FR 7833493A FR 2442281 B1 FR2442281 B1 FR 2442281B1
Authority
FR
France
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
FR7833493A
Other versions
FR2442281A1 (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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to FR7833493A priority Critical patent/FR2442281A1/fr
Publication of FR2442281A1 publication Critical patent/FR2442281A1/fr
Application granted granted Critical
Publication of FR2442281B1 publication Critical patent/FR2442281B1/fr
Granted 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
    • 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
    • C21D1/26—Methods of annealing
    • C21D1/32—Soft annealing, e.g. spheroidising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
FR7833493A 1978-11-27 1978-11-27 Procede pour cementer les aciers Granted FR2442281A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7833493A FR2442281A1 (fr) 1978-11-27 1978-11-27 Procede pour cementer les aciers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7833493A FR2442281A1 (fr) 1978-11-27 1978-11-27 Procede pour cementer les aciers

Publications (2)

Publication Number Publication Date
FR2442281A1 FR2442281A1 (fr) 1980-06-20
FR2442281B1 true FR2442281B1 (fr) 1982-07-30

Family

ID=9215419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7833493A Granted FR2442281A1 (fr) 1978-11-27 1978-11-27 Procede pour cementer les aciers

Country Status (1)

Country Link
FR (1) FR2442281A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2527641A1 (fr) * 1982-05-28 1983-12-02 Air Liquide Procede de traitement thermique de pieces metalliques par carburation

Also Published As

Publication number Publication date
FR2442281A1 (fr) 1980-06-20

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Legal Events

Date Code Title Description
ST Notification of lapse