JPS5582775A - Coating method for heat resistant alloy surface with chromium - Google Patents

Coating method for heat resistant alloy surface with chromium

Info

Publication number
JPS5582775A
JPS5582775A JP15721578A JP15721578A JPS5582775A JP S5582775 A JPS5582775 A JP S5582775A JP 15721578 A JP15721578 A JP 15721578A JP 15721578 A JP15721578 A JP 15721578A JP S5582775 A JPS5582775 A JP S5582775A
Authority
JP
Japan
Prior art keywords
heat resistant
resistant alloy
alloy
coated layer
chromium
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP15721578A
Other languages
Japanese (ja)
Inventor
Mitsuo Chikazaki
Kiyoshi Otaka
Hiroshi Soeno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15721578A priority Critical patent/JPS5582775A/en
Publication of JPS5582775A publication Critical patent/JPS5582775A/en
Pending legal-status Critical Current

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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
    • 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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/02—Pretreatment of the material to be coated
    • C23C16/0272—Deposition of sub-layers, e.g. to promote the adhesion of the main coating
    • C23C16/0281—Deposition of sub-layers, e.g. to promote the adhesion of the main coating of metallic sub-layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Vapour Deposition (AREA)

Abstract

PURPOSE:To provide superior corrosion and thermal impact resistances to a Ni- and/or Co-base heat resistant alloy contacting to hot corrosive gas by forming a Ni coated layer on the alloy surface and coating Cr. CONSTITUTION:Ni powder is coated onto the surface of a Ni- and/or Co-base heat resistant alloy with a binder and baked by heating. Cr is then coated onto this Ni coated layer pref. by chemical vapor-phase vacuum-deposition. Thus, formation of Cr type carbide and nitride in the Cr coated layer or a fragile cpd. at the interface can be controlled. Accordingly, the corrosion resistance of the alloy is enhanced, and the resistance to thermal impact is raised. This method is pref. applied to parts such as a gas turbine and a jet engine which are exposed to hot corrosive gas.
JP15721578A 1978-12-15 1978-12-15 Coating method for heat resistant alloy surface with chromium Pending JPS5582775A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15721578A JPS5582775A (en) 1978-12-15 1978-12-15 Coating method for heat resistant alloy surface with chromium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15721578A JPS5582775A (en) 1978-12-15 1978-12-15 Coating method for heat resistant alloy surface with chromium

Publications (1)

Publication Number Publication Date
JPS5582775A true JPS5582775A (en) 1980-06-21

Family

ID=15644724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15721578A Pending JPS5582775A (en) 1978-12-15 1978-12-15 Coating method for heat resistant alloy surface with chromium

Country Status (1)

Country Link
JP (1) JPS5582775A (en)

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