GB842280A - Improvements in or relating to the formation of corrosion-resistant metallic coatings by so-called flame-spraying techniques - Google Patents

Improvements in or relating to the formation of corrosion-resistant metallic coatings by so-called flame-spraying techniques

Info

Publication number
GB842280A
GB842280A GB6569/58A GB656958A GB842280A GB 842280 A GB842280 A GB 842280A GB 6569/58 A GB6569/58 A GB 6569/58A GB 656958 A GB656958 A GB 656958A GB 842280 A GB842280 A GB 842280A
Authority
GB
United Kingdom
Prior art keywords
boron
component
corrosion
flame
spraying
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
GB6569/58A
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.)
Kanthal AB
Original Assignee
Kanthal AB
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 Kanthal AB filed Critical Kanthal AB
Publication of GB842280A publication Critical patent/GB842280A/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
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/18—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on silicides
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof

Abstract

A method of producing a corrosion-resistant surface on a base comprises flame-spraying a mixture of the following components: (a) a metallic component containing at least 1% of one or more of the elements Al, Cr and Si and the balance one or more of the elements Ti, Zr, V, Nb, Ta, Mo, W, Mn, Fe, Co and Ni; (b) a boron component comprising elemental boron and/or one or more borides and/or intermetallic compounds containing boron; the boron being at least 0.2% by weight of the boron component and within 0.08-10% by weight of the mixture, the metallic component comprising 60-98% and the boron component 40-2% of the mixture. The metallic component may be a molybdenum silicide, or a Mo-Si-Al alloy and the boron component may be ferro-boron, dichromium boride, zirconium diboride, or a nickel base boron alloy. The flame spraying may be performed by the use of two guns, one with the metallic component and one with the boron component, or by the use of a single gun and a rod or wire of the metallic component coated with the boron component or the two compenents mixed in powder form. The wire or rod may be coated by flame-spraying. The base to be coated may be a metal or a ceramic.
GB6569/58A 1957-03-05 1958-02-28 Improvements in or relating to the formation of corrosion-resistant metallic coatings by so-called flame-spraying techniques Expired GB842280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE842280X 1957-03-05

Publications (1)

Publication Number Publication Date
GB842280A true GB842280A (en) 1960-07-27

Family

ID=20358394

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6569/58A Expired GB842280A (en) 1957-03-05 1958-02-28 Improvements in or relating to the formation of corrosion-resistant metallic coatings by so-called flame-spraying techniques

Country Status (1)

Country Link
GB (1) GB842280A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1301752B (en) * 1965-03-11 1969-08-21 Commissariat Energie Atomique Line for charging a flame spray gun with mineral powder and process for its manufacture
EP0231675A1 (en) * 1985-11-29 1987-08-12 Elf Atochem S.A. Large metal-plastic containers constructed by welding, and process for their manufacture
EP1077271A1 (en) * 1999-08-16 2001-02-21 Praxair S.T. Technology, Inc. Chromium boride coatings

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1301752B (en) * 1965-03-11 1969-08-21 Commissariat Energie Atomique Line for charging a flame spray gun with mineral powder and process for its manufacture
EP0231675A1 (en) * 1985-11-29 1987-08-12 Elf Atochem S.A. Large metal-plastic containers constructed by welding, and process for their manufacture
EP1077271A1 (en) * 1999-08-16 2001-02-21 Praxair S.T. Technology, Inc. Chromium boride coatings

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