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GB1039339A - Improvements in or relating to processes of dip-coating articles of steel with hard alloys - Google Patents

Improvements in or relating to processes of dip-coating articles of steel with hard alloys

Info

Publication number
GB1039339A
GB1039339A GB4888663A GB4888663A GB1039339A GB 1039339 A GB1039339 A GB 1039339A GB 4888663 A GB4888663 A GB 4888663A GB 4888663 A GB4888663 A GB 4888663A GB 1039339 A GB1039339 A GB 1039339A
Authority
GB
United Kingdom
Prior art keywords
steel
dip
relating
processes
hard alloys
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
GB4888663A
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.)
Gebrueder Boehler and Co AG
Original Assignee
Gebrueder Boehler and Co AG
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 Gebrueder Boehler and Co AG filed Critical Gebrueder Boehler and Co AG
Publication of GB1039339A publication Critical patent/GB1039339A/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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)

Abstract

Steel bodies e.g. round bodies such as valve cones are coated by hot dipping in a molten bath of a cobalt based alloy containing tungsten and chromium and 1 - 6% by weight of boron. The round bodies may be rotated during or after coating and the coated body may be heated with oxyacetylene torches during the rotation. A bath temperature of 1150 DEG C. is used with an alloy composition of 1.2%C., 1.2% Si, 20% Cr, 4%W, 2.5%B, balance Co.
GB4888663A 1962-12-29 1963-12-11 Improvements in or relating to processes of dip-coating articles of steel with hard alloys Expired GB1039339A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1015862 1962-12-29

Publications (1)

Publication Number Publication Date
GB1039339A true GB1039339A (en) 1966-08-17

Family

ID=3620301

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4888663A Expired GB1039339A (en) 1962-12-29 1963-12-11 Improvements in or relating to processes of dip-coating articles of steel with hard alloys

Country Status (1)

Country Link
GB (1) GB1039339A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2405307A1 (en) * 1977-10-04 1979-05-04 Rolls Royce hard-facing nickel alloys - by using a cobalt chromium silicon (boron) strip and heat bonding
DE3508603A1 (en) * 1985-03-11 1986-09-11 Atilla Dipl.-Chem. Dr.-Ing. 4515 Bad Essen Akyol METHOD FOR ATTACHING HARD METAL PLATES TO TOOLS, WEAR PARTS, ETC.
WO2007025531A1 (en) * 2005-09-01 2007-03-08 Mahle International Gmbh Method for coating the outer surface of a cylinder bushing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2405307A1 (en) * 1977-10-04 1979-05-04 Rolls Royce hard-facing nickel alloys - by using a cobalt chromium silicon (boron) strip and heat bonding
DE3508603A1 (en) * 1985-03-11 1986-09-11 Atilla Dipl.-Chem. Dr.-Ing. 4515 Bad Essen Akyol METHOD FOR ATTACHING HARD METAL PLATES TO TOOLS, WEAR PARTS, ETC.
WO2007025531A1 (en) * 2005-09-01 2007-03-08 Mahle International Gmbh Method for coating the outer surface of a cylinder bushing

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