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GB1214743A - Improvements in or relating to oxidation-resistant coatings - Google Patents

Improvements in or relating to oxidation-resistant coatings

Info

Publication number
GB1214743A
GB1214743A GB3699/68A GB369968A GB1214743A GB 1214743 A GB1214743 A GB 1214743A GB 3699/68 A GB3699/68 A GB 3699/68A GB 369968 A GB369968 A GB 369968A GB 1214743 A GB1214743 A GB 1214743A
Authority
GB
United Kingdom
Prior art keywords
oxidation
glaze
siliceous
resistant coatings
overlayer
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.)
Expired
Application number
GB3699/68A
Inventor
Robert Leslie Graham
Peter Elliott
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.)
Imperial Metal Industries Kynoch Ltd
Original Assignee
Imperial Metal Industries Kynoch 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 Imperial Metal Industries Kynoch Ltd filed Critical Imperial Metal Industries Kynoch Ltd
Priority to GB3699/68A priority Critical patent/GB1214743A/en
Publication of GB1214743A publication Critical patent/GB1214743A/en
Expired 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
    • C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
    • C23D3/00—Chemical treatment of the metal surfaces prior to coating
    • 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
    • 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
    • C23C8/10—Oxidising
    • 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
    • C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
    • C23D5/00—Coating with enamels or vitreous layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

1,214,743. Oxidation-resistant coatings. IMPERIAL METAL INDUSTRIES (KYNOCH) Ltd. 6 Jan., 1969 [24 Jan., 1968], No. 3699/68. Heading ClM. [Also in Division B2] A niobium or niobium-alloy article is provided with an oxidation-resistant coating, said coating comprising an underlayer of a chromiumbase alloy in which each alloying addition is present in an amount not exceeding 5 weight per cent, and at least one upper layer of siliceous glaze. The underlayer may be Cr with the addition of Y and/or Ti, or of Hf with or without Y, or of HfO 2 with or without Y 2 O 3 , or of Ce, or of Ce0 and/or Mg and/or MgO. Examples of both Bb and Cr alloys are given. The siliceous glaze may have an overlayer or dispersion of a non-reactive refractory oxide, e.g ZrO 2 . The overlayer may comprise a second layer of siliceous glaze with 50-60 weight per cent of ZrO 2 . The glaze may be applied, by spraying, as a suspension in toluene and fired at 1300‹ C. in air.
GB3699/68A 1968-01-24 1968-01-24 Improvements in or relating to oxidation-resistant coatings Expired GB1214743A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3699/68A GB1214743A (en) 1968-01-24 1968-01-24 Improvements in or relating to oxidation-resistant coatings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3699/68A GB1214743A (en) 1968-01-24 1968-01-24 Improvements in or relating to oxidation-resistant coatings

Publications (1)

Publication Number Publication Date
GB1214743A true GB1214743A (en) 1970-12-02

Family

ID=9763285

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3699/68A Expired GB1214743A (en) 1968-01-24 1968-01-24 Improvements in or relating to oxidation-resistant coatings

Country Status (1)

Country Link
GB (1) GB1214743A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2323656A1 (en) * 1975-09-11 1977-04-08 United Technologies Corp PROCEDURE FOR APPLYING AN INSULATING COATING TO NICKEL-BASED AND COBALT-BASED SUPERALLIES AND ARTICLES OBTAINED
USRE33876E (en) * 1975-09-11 1992-04-07 United Technologies Corporation Thermal barrier coating for nickel and cobalt base super alloys

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2323656A1 (en) * 1975-09-11 1977-04-08 United Technologies Corp PROCEDURE FOR APPLYING AN INSULATING COATING TO NICKEL-BASED AND COBALT-BASED SUPERALLIES AND ARTICLES OBTAINED
USRE33876E (en) * 1975-09-11 1992-04-07 United Technologies Corporation Thermal barrier coating for nickel and cobalt base super alloys

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees