CH377613A - Process for protecting the surface of niobium and tantalum - Google Patents

Process for protecting the surface of niobium and tantalum

Info

Publication number
CH377613A
CH377613A CH8137859A CH8137859A CH377613A CH 377613 A CH377613 A CH 377613A CH 8137859 A CH8137859 A CH 8137859A CH 8137859 A CH8137859 A CH 8137859A CH 377613 A CH377613 A CH 377613A
Authority
CH
Switzerland
Prior art keywords
niobium
tantalum
protecting
Prior art date
Application number
CH8137859A
Other languages
German (de)
Inventor
Max Dr Blumer
Felix Dr Schaufelberger
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Priority to CH8137859A priority Critical patent/CH377613A/en
Priority to DEC22621A priority patent/DE1192020B/en
Priority to GB4161460A priority patent/GB933971A/en
Publication of CH377613A publication Critical patent/CH377613A/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
    • C23C8/24—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
    • C23C8/06—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)
  • Powder Metallurgy (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Chemical Vapour Deposition (AREA)
CH8137859A 1959-12-02 1959-12-02 Process for protecting the surface of niobium and tantalum CH377613A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH8137859A CH377613A (en) 1959-12-02 1959-12-02 Process for protecting the surface of niobium and tantalum
DEC22621A DE1192020B (en) 1959-12-02 1960-10-25 Process to protect the surface of niobium and tantalum
GB4161460A GB933971A (en) 1959-12-02 1960-12-02 Method of protecting the surfaces of the metals niobium and tantalum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH8137859A CH377613A (en) 1959-12-02 1959-12-02 Process for protecting the surface of niobium and tantalum

Publications (1)

Publication Number Publication Date
CH377613A true CH377613A (en) 1964-05-15

Family

ID=4538761

Family Applications (1)

Application Number Title Priority Date Filing Date
CH8137859A CH377613A (en) 1959-12-02 1959-12-02 Process for protecting the surface of niobium and tantalum

Country Status (3)

Country Link
CH (1) CH377613A (en)
DE (1) DE1192020B (en)
GB (1) GB933971A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4508563A (en) * 1984-03-19 1985-04-02 Sprague Electric Company Reducing the oxygen content of tantalum
DE4342730A1 (en) * 1993-12-15 1995-06-22 Peter Dr Peppler Thermochemical diffusion treatment of metal pt. esp. steel with de-passivation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE668639C (en) * 1932-07-20 1938-12-07 Bernhard Berghaus Process for the annealing of metal objects
DE692080C (en) * 1935-10-11 1940-06-12 Bernhard Berghaus Process for casting metal objects in gas or vapor form

Also Published As

Publication number Publication date
DE1192020B (en) 1965-04-29
GB933971A (en) 1963-08-14

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