CH451983A - Salzschmelze zur Wärmebehandlung von legierten und unlegierten Stählen zwecks Erreichung einer Härtesteigerung - Google Patents

Salzschmelze zur Wärmebehandlung von legierten und unlegierten Stählen zwecks Erreichung einer Härtesteigerung

Info

Publication number
CH451983A
CH451983A CH704863A CH704863A CH451983A CH 451983 A CH451983 A CH 451983A CH 704863 A CH704863 A CH 704863A CH 704863 A CH704863 A CH 704863A CH 451983 A CH451983 A CH 451983A
Authority
CH
Switzerland
Prior art keywords
alloyed
hardness
achieve
increase
heat treatment
Prior art date
Application number
CH704863A
Other languages
English (en)
Inventor
Johannes Dr Mueller
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of CH451983A publication Critical patent/CH451983A/de

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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/52—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 liquids, e.g. salt baths, liquid suspensions more than one element being applied in one step
    • C23C8/54—Carbo-nitriding
    • 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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/52—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 liquids, e.g. salt baths, liquid suspensions more than one element being applied in one step
    • C23C8/54—Carbo-nitriding
    • C23C8/56—Carbo-nitriding of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Chemically Coating (AREA)
CH704863A 1962-06-20 1963-06-07 Salzschmelze zur Wärmebehandlung von legierten und unlegierten Stählen zwecks Erreichung einer Härtesteigerung CH451983A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED39182A DE1208598B (de) 1962-06-20 1962-06-20 Alkalicyanathaltige Salzschmelze und Vorrichtung zum Carbonitrieren

Publications (1)

Publication Number Publication Date
CH451983A true CH451983A (de) 1968-05-15

Family

ID=7044578

Family Applications (1)

Application Number Title Priority Date Filing Date
CH704863A CH451983A (de) 1962-06-20 1963-06-07 Salzschmelze zur Wärmebehandlung von legierten und unlegierten Stählen zwecks Erreichung einer Härtesteigerung

Country Status (3)

Country Link
US (1) US3194696A (de)
CH (1) CH451983A (de)
DE (1) DE1208598B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046601A (en) * 1976-06-01 1977-09-06 Armco Steel Corporation Method of nitride-strengthening low carbon steel articles
GB1576143A (en) * 1977-07-20 1980-10-01 Brico Eng Sintered metal articles
DE4324740C1 (de) * 1993-07-23 1994-06-16 Degussa Verfahren zur Herstellung eines Härtesalzes in stückiger Form
US5525165A (en) * 1994-06-06 1996-06-11 National Science Council Method of surface modification of titanium alloy

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2007136A (en) * 1930-07-12 1935-07-02 Degussa Process for carburizing and hardening
US2927875A (en) * 1957-06-26 1960-03-08 Degussa Process for carburizing and carboni-triding iron and steel
DE1108246B (de) * 1959-07-09 1961-06-08 Degussa Alkalicyanid- und alkalicyanathaltige Salzbaeder zum Nitrieren von Metallen, insbesondere von Eisenlegierungen

Also Published As

Publication number Publication date
DE1208598B (de) 1966-01-05
US3194696A (en) 1965-07-13

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