FR669163A - Matrices en acier nitruré - Google Patents

Matrices en acier nitruré

Info

Publication number
FR669163A
FR669163A FR669163DA FR669163A FR 669163 A FR669163 A FR 669163A FR 669163D A FR669163D A FR 669163DA FR 669163 A FR669163 A FR 669163A
Authority
FR
France
Prior art keywords
nitrided steel
steel dies
dies
nitrided
steel
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
English (en)
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.)
AUBERT ET DUVAL FRERES
Original Assignee
AUBERT ET DUVAL FRERES
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 AUBERT ET DUVAL FRERES filed Critical AUBERT ET DUVAL FRERES
Application granted granted Critical
Publication of FR669163A publication Critical patent/FR669163A/fr
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
    • C23C8/02—Pretreatment of the material to be coated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR669163D 1928-02-06 1929-02-05 Matrices en acier nitruré Expired FR669163A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE669163X 1928-02-06

Publications (1)

Publication Number Publication Date
FR669163A true FR669163A (fr) 1929-11-13

Family

ID=6590135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR669163D Expired FR669163A (fr) 1928-02-06 1929-02-05 Matrices en acier nitruré

Country Status (1)

Country Link
FR (1) FR669163A (fr)

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