GB589087A - Improvements in or relating to the cementation of metals and alloys - Google Patents

Improvements in or relating to the cementation of metals and alloys

Info

Publication number
GB589087A
GB589087A GB12745A GB12745A GB589087A GB 589087 A GB589087 A GB 589087A GB 12745 A GB12745 A GB 12745A GB 12745 A GB12745 A GB 12745A GB 589087 A GB589087 A GB 589087A
Authority
GB
United Kingdom
Prior art keywords
per cent
composition
aluminium
flux
metals
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
GB12745A
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 Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB12745A priority Critical patent/GB589087A/en
Publication of GB589087A publication Critical patent/GB589087A/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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
    • C23C10/30—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes using a layer of powder or paste on the surface

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Paints Or Removers (AREA)
  • Nonmetallic Welding Materials (AREA)

Abstract

A composition for coating metals with aluminium or aluminium alloys comprises essentially five to fifty parts by weight of powdered aluminium or aluminium alloy and one part by weight of a flux consisting of one or more chlorides and one or more fluorides in such proportions that the flux is molten at the coating temperature. Alumina may also be incorporated in the composition to an amount such that the powdered metal is two to five times the alumina content. The composition may be suspended in a liquid, e.g., polystyrene in toluol. The composition of the flux may be 25 per cent. NaCl, 36 per cent. KCl, 20 per cent. LiCl, 6 per cent. SrCl2, 1 per cent. KF, 12 per cent. Cryolite. The coating may be effected at 500-1000 DEG C. Specification 539,545 is referred to.
GB12745A 1945-01-02 1945-01-02 Improvements in or relating to the cementation of metals and alloys Expired GB589087A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB12745A GB589087A (en) 1945-01-02 1945-01-02 Improvements in or relating to the cementation of metals and alloys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12745A GB589087A (en) 1945-01-02 1945-01-02 Improvements in or relating to the cementation of metals and alloys

Publications (1)

Publication Number Publication Date
GB589087A true GB589087A (en) 1947-06-11

Family

ID=9698881

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12745A Expired GB589087A (en) 1945-01-02 1945-01-02 Improvements in or relating to the cementation of metals and alloys

Country Status (1)

Country Link
GB (1) GB589087A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2801187A (en) * 1950-12-13 1957-07-30 Onera (Off Nat Aerospatiale) Methods for obtaining superficial diffusion alloys, in particular chromium alloys
US3254969A (en) * 1961-11-24 1966-06-07 Misco Prec Casting Company Method of aluminizing chromium alloys and oxidation resistant article produced thereby
US3436249A (en) * 1966-02-23 1969-04-01 Rolls Royce Aluminising powder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2801187A (en) * 1950-12-13 1957-07-30 Onera (Off Nat Aerospatiale) Methods for obtaining superficial diffusion alloys, in particular chromium alloys
US3254969A (en) * 1961-11-24 1966-06-07 Misco Prec Casting Company Method of aluminizing chromium alloys and oxidation resistant article produced thereby
US3436249A (en) * 1966-02-23 1969-04-01 Rolls Royce Aluminising powder

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