GB723236A - Process for producing a hard and wear-resistant surface on ferrous bodies - Google Patents

Process for producing a hard and wear-resistant surface on ferrous bodies

Info

Publication number
GB723236A
GB723236A GB1404/52A GB140452A GB723236A GB 723236 A GB723236 A GB 723236A GB 1404/52 A GB1404/52 A GB 1404/52A GB 140452 A GB140452 A GB 140452A GB 723236 A GB723236 A GB 723236A
Authority
GB
United Kingdom
Prior art keywords
per cent
coating
carbon
metal
ferrous material
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
GB1404/52A
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.)
METRO CUTANIT Ltd
Original Assignee
METRO CUTANIT 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 METRO CUTANIT Ltd filed Critical METRO CUTANIT Ltd
Publication of GB723236A publication Critical patent/GB723236A/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
    • 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
    • C23C12/00—Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

A ferrous article having an available carbon content of 0.4 per cent or more, depending on the depth of ferrous material beneath the surface, is coated with at least one metal of the group Ti, Nb, Ta, V, Mo, W or with one or more of these metals and Cr, and is then heat-treated so that the coating metal combines with carbon of the ferrous material to form an integral layer of carbide, the carbon content of the ferrous material being so initially selected in relation to the depth thereof that sufficient carbon is available for forming carbide with substantially all the deposited metal. The coating metal may be applied by dipping, spraying or electrolytically. The necessary carbon content may be provided by carburizing a low carbon base, e.g. in a pack of 20 per cent barium carbonate bound to hardwood charcoal with oil, tar or molasses, at 925 DEG C.; a copper stop coating may be applied at selected parts to suppress carburization. Prior to coating, surface imperfections may be removed electrolytically or by immersion in 20 per cent sulphuric acid for 2-10 minutes or in 50 per cent hydrochloric acid at 85 DEG C. for 2-10 minutes.
GB1404/52A 1951-01-17 1952-01-17 Process for producing a hard and wear-resistant surface on ferrous bodies Expired GB723236A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US723236XA 1951-01-17 1951-01-17

Publications (1)

Publication Number Publication Date
GB723236A true GB723236A (en) 1955-02-02

Family

ID=22106883

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1404/52A Expired GB723236A (en) 1951-01-17 1952-01-17 Process for producing a hard and wear-resistant surface on ferrous bodies

Country Status (1)

Country Link
GB (1) GB723236A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2802610A1 (en) * 1999-12-17 2001-06-22 Caterpillar Inc PROCESS FOR FORMING OIL TANKS ON COATED IRON

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2802610A1 (en) * 1999-12-17 2001-06-22 Caterpillar Inc PROCESS FOR FORMING OIL TANKS ON COATED IRON
US6478933B1 (en) 1999-12-17 2002-11-12 Caterpillar Inc. Method for creating surface oil reservoirs on coated iron

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