CH377167A - Process for increasing the fatigue strength of workpieces made of steels by nitriding - Google Patents

Process for increasing the fatigue strength of workpieces made of steels by nitriding

Info

Publication number
CH377167A
CH377167A CH7764159A CH7764159A CH377167A CH 377167 A CH377167 A CH 377167A CH 7764159 A CH7764159 A CH 7764159A CH 7764159 A CH7764159 A CH 7764159A CH 377167 A CH377167 A CH 377167A
Authority
CH
Switzerland
Prior art keywords
nitriding
steels
increasing
fatigue strength
workpieces made
Prior art date
Application number
CH7764159A
Other languages
German (de)
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 CH377167A publication Critical patent/CH377167A/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
    • C23C8/40—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
    • C23C8/42—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 only one element being applied
    • C23C8/48—Nitriding
    • C23C8/50—Nitriding 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
    • C23C8/80—After-treatment

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)
  • Heat Treatment Of Articles (AREA)
CH7764159A 1958-10-08 1959-09-01 Process for increasing the fatigue strength of workpieces made of steels by nitriding CH377167A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED29105A DE1191655B (en) 1958-10-08 1958-10-08 Process for increasing the fatigue strength of low-alloy or unalloyed steels by nitriding

Publications (1)

Publication Number Publication Date
CH377167A true CH377167A (en) 1964-04-30

Family

ID=7039956

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7764159A CH377167A (en) 1958-10-08 1959-09-01 Process for increasing the fatigue strength of workpieces made of steels by nitriding

Country Status (3)

Country Link
CH (1) CH377167A (en)
DE (1) DE1191655B (en)
GB (1) GB912018A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE539347C2 (en) 2015-11-02 2017-07-18 Solid lubricant-coated steel articles, method and apparatus for manufacturing thereof and quenching oil used in the manufacturing
DE102018211063A1 (en) * 2018-07-04 2020-01-09 Magna Pt B.V. & Co. Kg Manufacturing process for a steel plate of a plate clutch

Also Published As

Publication number Publication date
DE1191655B (en) 1965-04-22
GB912018A (en) 1962-12-05

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