AT381957B - METHOD AND DEVICE FOR THE HARDENING OF CARBON-NEUTRAL GLOWING METAL WORKPIECES - Google Patents

METHOD AND DEVICE FOR THE HARDENING OF CARBON-NEUTRAL GLOWING METAL WORKPIECES

Info

Publication number
AT381957B
AT381957B AT0293882A AT293882A AT381957B AT 381957 B AT381957 B AT 381957B AT 0293882 A AT0293882 A AT 0293882A AT 293882 A AT293882 A AT 293882A AT 381957 B AT381957 B AT 381957B
Authority
AT
Austria
Prior art keywords
hardening
neutral
carbon
metal workpieces
glowing metal
Prior art date
Application number
AT0293882A
Other languages
German (de)
Other versions
ATA293882A (en
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 ATA293882A publication Critical patent/ATA293882A/en
Application granted granted Critical
Publication of AT381957B publication Critical patent/AT381957B/en

Links

Classifications

    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
AT0293882A 1982-07-01 1982-07-29 METHOD AND DEVICE FOR THE HARDENING OF CARBON-NEUTRAL GLOWING METAL WORKPIECES AT381957B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823224607 DE3224607A1 (en) 1982-07-01 1982-07-01 Method for the case-hardening and neutral-carburising annealing of metal workpieces

Publications (2)

Publication Number Publication Date
ATA293882A ATA293882A (en) 1986-05-15
AT381957B true AT381957B (en) 1986-12-29

Family

ID=6167353

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0293882A AT381957B (en) 1982-07-01 1982-07-29 METHOD AND DEVICE FOR THE HARDENING OF CARBON-NEUTRAL GLOWING METAL WORKPIECES

Country Status (5)

Country Link
AT (1) AT381957B (en)
BR (1) BR8300903A (en)
DE (1) DE3224607A1 (en)
NO (1) NO832394L (en)
ZA (1) ZA834792B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819042A1 (en) * 1998-04-28 1999-11-04 Linde Ag Process and plant for gas carburizing

Also Published As

Publication number Publication date
DE3224607A1 (en) 1984-01-05
ATA293882A (en) 1986-05-15
NO832394L (en) 1984-01-02
ZA834792B (en) 1984-03-28
BR8300903A (en) 1984-04-17

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee