GB1440500A - Rotary barrel diffusion coating in molten lead - Google Patents

Rotary barrel diffusion coating in molten lead

Info

Publication number
GB1440500A
GB1440500A GB4926873A GB4926873A GB1440500A GB 1440500 A GB1440500 A GB 1440500A GB 4926873 A GB4926873 A GB 4926873A GB 4926873 A GB4926873 A GB 4926873A GB 1440500 A GB1440500 A GB 1440500A
Authority
GB
United Kingdom
Prior art keywords
diffusion coating
rotary barrel
molten lead
barrel
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
GB4926873A
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.)
Surfalloy Corp
Original Assignee
Surfalloy 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 Surfalloy Corp filed Critical Surfalloy Corp
Priority to GB4926873A priority Critical patent/GB1440500A/en
Publication of GB1440500A publication Critical patent/GB1440500A/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
    • C23C10/18—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions
    • C23C10/20—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions only one element being diffused
    • C23C10/22—Metal melt containing the element to be diffused

Abstract

1440500 Diffusion coating ferrous articles SURFALLOY CORP 23 Oct 1973 49268/73 Heading C7F Ferrous articles are diffusion coated in a molten Pb bath with e.g. Cr, Al, Ti, Si, Co, Ni, whilst in a barrel rotating about an axis which is horizontal or up to 60 degrees to the horizontal. Air is excluded during coating by providing a vacuum or an inert gas e.g. argon. The barrel is heated to 1950‹F for chromizing.
GB4926873A 1973-10-23 1973-10-23 Rotary barrel diffusion coating in molten lead Expired GB1440500A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4926873A GB1440500A (en) 1973-10-23 1973-10-23 Rotary barrel diffusion coating in molten lead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4926873A GB1440500A (en) 1973-10-23 1973-10-23 Rotary barrel diffusion coating in molten lead

Publications (1)

Publication Number Publication Date
GB1440500A true GB1440500A (en) 1976-06-23

Family

ID=10451761

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4926873A Expired GB1440500A (en) 1973-10-23 1973-10-23 Rotary barrel diffusion coating in molten lead

Country Status (1)

Country Link
GB (1) GB1440500A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988002789A1 (en) * 1986-10-20 1988-04-21 Silmecon Oy An apparatus for dip-coating objects
WO2002070774A1 (en) * 2001-03-05 2002-09-12 GWP Gesellschaft für Werkstoffprüfung mbH Method for hardening metal workpieces

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988002789A1 (en) * 1986-10-20 1988-04-21 Silmecon Oy An apparatus for dip-coating objects
WO2002070774A1 (en) * 2001-03-05 2002-09-12 GWP Gesellschaft für Werkstoffprüfung mbH Method for hardening metal workpieces

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee