GB1215025A - Improvements in the provision of cermet-type materials - Google Patents

Improvements in the provision of cermet-type materials

Info

Publication number
GB1215025A
GB1215025A GB2825568A GB2825568A GB1215025A GB 1215025 A GB1215025 A GB 1215025A GB 2825568 A GB2825568 A GB 2825568A GB 2825568 A GB2825568 A GB 2825568A GB 1215025 A GB1215025 A GB 1215025A
Authority
GB
United Kingdom
Prior art keywords
mixture
metal
boride
reaction
weight
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
GB2825568A
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.)
Wall Colmonoy Corp
Original Assignee
Wall Colmonoy Corp
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 Wall Colmonoy Corp filed Critical Wall Colmonoy Corp
Publication of GB1215025A publication Critical patent/GB1215025A/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
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • C23C26/02—Coating not provided for in groups C23C2/00 - C23C24/00 applying molten material to the substrate
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
    • 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
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Powder Metallurgy (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

1,215,025. Sintered coatings. V.ALL COLMONAY CORP. June 13, 1968 [June 16, 1967], No.28255/68. Headings C7A and C7D. A cermet-type protective coating is applied to a heat resistant metal alloy by applying a particulated mixture comprising Cr and Ni and at least one reaction metal selected from Ti and Zr and at least one non-metallic element from Si and B to all or a selected portion of the surface of the object to be coated, said Cr and Ni in said mixture being present in an amount of from about 70% to about 90% by weight, of which Cr constitutes 14À6% to 25% of the total of said Cr and Ni, said reaction metal and non-metallic element being present in an amount sufficient to produce from 3À4% to 30% by weight of the corresponding metal silicide and/or metal boride; heating said mixture to an elevated temperature to effect at least a partial fusion of said mixture and an exothermic reaction between said reaction metal and non-metallic element and an alloying of the coating with the substrate at the interface therebetween, and continuing the heating until the metal silicide and/or boride is dispersed in a continuous metallic matrix of Cr and Ni. The Ti and Zr are preferably present in stoichiometric amounts relative to the B and Si so that compounds such as Ti Si, TiB 2 , Zr B, &c., are formed and no free element remains in the coating, and the Ti and Zr are preferably added as Ni alloys thereof to reduce the risk of possible oxidation. 10% by weight of titanium nitride, Ti N, may be added to the initial powder mixture. A powder mixture for use in the process is claimed, containing Cr, Ni Ti and/or Zr, and Si and/or B, the Cr + Ni constituting 70-90% of the powder, 14À6-25 wt% of this being Cr, and containing the other constituents in amounts sufficient to give rise to 3À4-30 wt% of the corresponding boride or silicide.
GB2825568A 1967-06-16 1968-06-13 Improvements in the provision of cermet-type materials Expired GB1215025A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64665467A 1967-06-16 1967-06-16

Publications (1)

Publication Number Publication Date
GB1215025A true GB1215025A (en) 1970-12-09

Family

ID=24593918

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2825568A Expired GB1215025A (en) 1967-06-16 1968-06-13 Improvements in the provision of cermet-type materials

Country Status (2)

Country Link
FR (1) FR1570862A (en)
GB (1) GB1215025A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130242A (en) * 1982-11-16 1984-05-31 Eutectic Corp Alloy coating for cast iron parts such as glass molds
GB2202861A (en) * 1987-03-30 1988-10-05 Owens Illinois Glass Container Alloys and the production of formed members

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284688A (en) * 1978-12-21 1981-08-18 Bbc Brown, Boveri & Company Limited Multi-layer, high-temperature corrosion protection coating

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130242A (en) * 1982-11-16 1984-05-31 Eutectic Corp Alloy coating for cast iron parts such as glass molds
GB2202861A (en) * 1987-03-30 1988-10-05 Owens Illinois Glass Container Alloys and the production of formed members
GB2202861B (en) * 1987-03-30 1991-07-17 Owens Illinois Glass Container Alloys and the production of formed members

Also Published As

Publication number Publication date
DE1771599B1 (en) 1973-01-25
FR1570862A (en) 1969-06-13

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