ZA834792B - Process for case hardening metallic workpieces and for annealing metallic workpieces under conditions which produce neither carburisation nor decarburisation - Google Patents

Process for case hardening metallic workpieces and for annealing metallic workpieces under conditions which produce neither carburisation nor decarburisation

Info

Publication number
ZA834792B
ZA834792B ZA834792A ZA834792A ZA834792B ZA 834792 B ZA834792 B ZA 834792B ZA 834792 A ZA834792 A ZA 834792A ZA 834792 A ZA834792 A ZA 834792A ZA 834792 B ZA834792 B ZA 834792B
Authority
ZA
South Africa
Prior art keywords
metallic workpieces
carburisation
decarburisation
produce
under conditions
Prior art date
Application number
ZA834792A
Other languages
English (en)
Inventor
Wolfgang Danzer
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 ZA834792B publication Critical patent/ZA834792B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76Adjusting the composition of the atmosphere
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C8/00Solid 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
    • C23C8/06Solid 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
    • C23C8/08Solid 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
    • C23C8/20Carburising
    • C23C8/22Carburising of ferrous surfaces

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)
  • Cleaning By Liquid Or Steam (AREA)
ZA834792A 1982-07-01 1983-06-30 Process for case hardening metallic workpieces and for annealing metallic workpieces under conditions which produce neither carburisation nor decarburisation ZA834792B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823224607 DE3224607A1 (de) 1982-07-01 1982-07-01 Verfahren zum einsatzhaerten und kohlungsneutralen gluehen metallischer werkstuecke

Publications (1)

Publication Number Publication Date
ZA834792B true ZA834792B (en) 1984-03-28

Family

ID=6167353

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA834792A ZA834792B (en) 1982-07-01 1983-06-30 Process for case hardening metallic workpieces and for annealing metallic workpieces under conditions which produce neither carburisation nor decarburisation

Country Status (5)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819042A1 (de) * 1998-04-28 1999-11-04 Linde Ag Verfahren und Anlage zum Gasaufkohlen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE545645A (de) * 1954-01-29
BE534801A (de) * 1954-01-29
FR1116055A (fr) * 1954-12-18 1956-05-03 Renault Procédé de préparation de gaz pour la cémentation de l'acier ou la protection des aciers contre l'oxydation ou la décarburation
FR1242992A (fr) * 1959-08-26 1960-10-07 Renault Dispositif de sécurité pour pulvérisateur-réchauffeur de préparation d'atmosphère de traitement thermique des métaux

Also Published As

Publication number Publication date
AT381957B (de) 1986-12-29
DE3224607A1 (de) 1984-01-05
BR8300903A (pt) 1984-04-17
ATA293882A (de) 1986-05-15
NO832394L (no) 1984-01-02

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