GB915089A - Improvements in or relating to metallic diffusion - Google Patents

Improvements in or relating to metallic diffusion

Info

Publication number
GB915089A
GB915089A GB1047658A GB1047658A GB915089A GB 915089 A GB915089 A GB 915089A GB 1047658 A GB1047658 A GB 1047658A GB 1047658 A GB1047658 A GB 1047658A GB 915089 A GB915089 A GB 915089A
Authority
GB
United Kingdom
Prior art keywords
coated
relating
metallic diffusion
metal
diffusion
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
GB1047658A
Inventor
Robert Lionel Samuel
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.)
METALLIC SURFACES RES LAB Ltd
Original Assignee
METALLIC SURFACES RES LAB 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 METALLIC SURFACES RES LAB Ltd filed Critical METALLIC SURFACES RES LAB Ltd
Priority to GB1047658A priority Critical patent/GB915089A/en
Publication of GB915089A publication Critical patent/GB915089A/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
    • C23C10/34—Embedding in a powder mixture, i.e. pack cementation
    • C23C10/36—Embedding in a powder mixture, i.e. pack cementation only one element being diffused
    • C23C10/38—Chromising
    • C23C10/40—Chromising of ferrous surfaces
    • C23C10/42—Chromising of ferrous surfaces in the presence of volatile transport additives, e.g. halogenated substances

Landscapes

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

Abstract

In a process for the deposition, with diffusion, of an element on a metal, the metal to be coated is heated in contact with the coating element and two or more ammonium halides. Metals which may be coated are Fe, steel, Zr, Ni, Co, Mo, W, Ti, Cu, Nb, Ta, Pt and alloys thereof. Elements which may be deposited are Cr, Al, Ni, Mn, Co, Cu, Zn, Cd, Nb, Ta, V, Ti, Zr, Be, Th, Si and B. The exemplified coating composition comprises Cr, NH4F, NH4Cl and Al2O3. The process may be repeated to deposit two or more coatings, e.g. Mo can be Cr-coated and subsequently Si-coated.
GB1047658A 1958-04-01 1958-04-01 Improvements in or relating to metallic diffusion Expired GB915089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1047658A GB915089A (en) 1958-04-01 1958-04-01 Improvements in or relating to metallic diffusion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1047658A GB915089A (en) 1958-04-01 1958-04-01 Improvements in or relating to metallic diffusion

Publications (1)

Publication Number Publication Date
GB915089A true GB915089A (en) 1963-01-09

Family

ID=9968551

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1047658A Expired GB915089A (en) 1958-04-01 1958-04-01 Improvements in or relating to metallic diffusion

Country Status (1)

Country Link
GB (1) GB915089A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1267512B (en) * 1964-02-19 1968-05-02 Bristol Siddeley Engines Ltd Diffusion plating of tantalum
US4687684A (en) * 1984-11-29 1987-08-18 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Process for diffusion coating metals
EP0274239A1 (en) * 1986-12-12 1988-07-13 Johnson Matthey Public Limited Company Scratch resistant platinum article
GB2213840A (en) * 1987-12-18 1989-08-23 Mtu Muenchen Gmbh Aluminium diffusion coating
US5364659A (en) * 1992-02-21 1994-11-15 Ohio State University Research Foundation Codeposition of chromium and silicon diffusion coatings in FE-base alloys using pack cementation
GB2337765A (en) * 1998-05-27 1999-12-01 Solicitor For The Affairs Of H Aluminium diffusion of copper coatings

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1267512B (en) * 1964-02-19 1968-05-02 Bristol Siddeley Engines Ltd Diffusion plating of tantalum
US4687684A (en) * 1984-11-29 1987-08-18 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Process for diffusion coating metals
EP0274239A1 (en) * 1986-12-12 1988-07-13 Johnson Matthey Public Limited Company Scratch resistant platinum article
US4828933A (en) * 1986-12-12 1989-05-09 Johnson Matthey Public Limited Company Scratch resistant platinum article
GB2213840A (en) * 1987-12-18 1989-08-23 Mtu Muenchen Gmbh Aluminium diffusion coating
GB2213840B (en) * 1987-12-18 1992-04-08 Mtu Muenchen Gmbh Oxidation preventive coating
US5364659A (en) * 1992-02-21 1994-11-15 Ohio State University Research Foundation Codeposition of chromium and silicon diffusion coatings in FE-base alloys using pack cementation
GB2337765A (en) * 1998-05-27 1999-12-01 Solicitor For The Affairs Of H Aluminium diffusion of copper coatings

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