ZA812499B - Process for case-hardening metallic workpieces - Google Patents

Process for case-hardening metallic workpieces

Info

Publication number
ZA812499B
ZA812499B ZA00812499A ZA812499A ZA812499B ZA 812499 B ZA812499 B ZA 812499B ZA 00812499 A ZA00812499 A ZA 00812499A ZA 812499 A ZA812499 A ZA 812499A ZA 812499 B ZA812499 B ZA 812499B
Authority
ZA
South Africa
Prior art keywords
case
metallic workpieces
hardening metallic
hardening
workpieces
Prior art date
Application number
ZA00812499A
Inventor
K Laengerich
W Danzer
R Conrad
Original Assignee
Linde Ag
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 Linde Ag filed Critical Linde Ag
Publication of ZA812499B publication Critical patent/ZA812499B/en

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Threshing Machine Elements (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Making Paper Articles (AREA)
ZA00812499A 1980-10-08 1981-04-15 Process for case-hardening metallic workpieces ZA812499B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803038082 DE3038082A1 (en) 1980-10-08 1980-10-08 METHOD FOR USEFUL METAL WORKPIECES

Publications (1)

Publication Number Publication Date
ZA812499B true ZA812499B (en) 1982-04-28

Family

ID=6113954

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00812499A ZA812499B (en) 1980-10-08 1981-04-15 Process for case-hardening metallic workpieces

Country Status (9)

Country Link
EP (1) EP0049531B1 (en)
AT (1) ATA539780A (en)
AU (1) AU542462B2 (en)
BR (1) BR8102151A (en)
DE (2) DE3038082A1 (en)
DK (1) DK433081A (en)
ES (1) ES505892A0 (en)
NO (1) NO813284L (en)
ZA (1) ZA812499B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3146042A1 (en) * 1981-11-20 1983-05-26 Linde Ag, 6200 Wiesbaden METHOD FOR USEFUL METAL WORKPIECES
FR2586259B1 (en) * 1985-08-14 1987-10-30 Air Liquide QUICK CEMENTATION PROCESS IN A CONTINUOUS OVEN

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE618026C (en) * 1932-08-28 1935-08-30 Ewald Hanus Method of cementing iron and steel
FR835931A (en) * 1938-03-30 1939-01-05 Process for the gas carburizing of steel parts
DE1041067B (en) * 1955-12-06 1958-10-16 Elino Ind Ofenbau Carl Hanf & Process for carburizing, nitriding or carbonitriding of steel parts
DE2624828C2 (en) * 1976-06-03 1985-08-14 Alco Standard Corp., Valley Forge Method and furnace for carrying out a heat treatment of workpieces
DE2851982A1 (en) * 1978-12-01 1980-06-12 Degussa Control of gas carburising at low pressures - involves pumping gas out of vacuum furnace and replacing it after it has decomposed by specific amt.

Also Published As

Publication number Publication date
ES8206641A1 (en) 1982-09-01
DK433081A (en) 1982-04-09
DE3170867D1 (en) 1985-07-11
EP0049531B1 (en) 1985-06-05
AU542462B2 (en) 1985-02-21
DE3038082A1 (en) 1982-05-06
ATA539780A (en) 1982-04-15
ES505892A0 (en) 1982-09-01
BR8102151A (en) 1982-08-17
AU6915581A (en) 1982-04-22
NO813284L (en) 1982-04-13
EP0049531A1 (en) 1982-04-14

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