GB1241199A - Method for aluminising - Google Patents

Method for aluminising

Info

Publication number
GB1241199A
GB1241199A GB5381468A GB5381468A GB1241199A GB 1241199 A GB1241199 A GB 1241199A GB 5381468 A GB5381468 A GB 5381468A GB 5381468 A GB5381468 A GB 5381468A GB 1241199 A GB1241199 A GB 1241199A
Authority
GB
United Kingdom
Prior art keywords
weight
max
pack
steel
mixture
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
GB5381468A
Inventor
Michael Frederick Taylor
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB5381468A priority Critical patent/GB1241199A/en
Priority to DE19691956887 priority patent/DE1956887A1/en
Priority to FR6938994A priority patent/FR2023211A1/fr
Publication of GB1241199A publication Critical patent/GB1241199A/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
    • C23C10/48—Aluminising
    • C23C10/50—Aluminising of ferrous 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)
  • Powder Metallurgy (AREA)

Abstract

1,241,199. Aluminizing metal articles; Alloy steel. ROLLS-ROYCE Ltd. Oct. 20, 1969 [Nov. 13, 1968], No. 53814/68. Headings C7A and C7F. Articles of e.g. steel, stainless steel or cobalt or nickel based alloys are alluminized in a pack comprising 30 to 60% by weight powdered aluminium, 30 to 60% calcined alumina, and a source of chloride ions which may be either or both part of the gaseous atmosphere in which the reaction takes place or a solid constituent of the pack, e.g. HCl gas or the chlorides of Zn, Al, Sn, Ag, Cd or K. The total weight of Al and alumina comprises 80 to 99% by weight of the mixture. The mixture may also contain aluminium fluoride. The process takes place at 480 to 550‹C. for at least six hours. A stainless steel may consist of (% by weight) C 0À08 to 0À20, Si 0À10 to 0À80, Mn 0À20 to 1À25, P 0À03 (max), S 0À25 (max), Cr 10 to 13, Ni 1À5 (max), Mo 0À3 to 0À95, Nb 0À1 to 0À7, V 0À1 to 1À0, balance iron.
GB5381468A 1968-11-13 1968-11-13 Method for aluminising Expired GB1241199A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB5381468A GB1241199A (en) 1968-11-13 1968-11-13 Method for aluminising
DE19691956887 DE1956887A1 (en) 1968-11-13 1969-11-12 Method and composition for aluminizing metal articles
FR6938994A FR2023211A1 (en) 1968-11-13 1969-11-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5381468A GB1241199A (en) 1968-11-13 1968-11-13 Method for aluminising

Publications (1)

Publication Number Publication Date
GB1241199A true GB1241199A (en) 1971-07-28

Family

ID=10469065

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5381468A Expired GB1241199A (en) 1968-11-13 1968-11-13 Method for aluminising

Country Status (3)

Country Link
DE (1) DE1956887A1 (en)
FR (1) FR2023211A1 (en)
GB (1) GB1241199A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132816A (en) * 1976-02-25 1979-01-02 United Technologies Corporation Gas phase deposition of aluminum using a complex aluminum halide of an alkali metal or an alkaline earth metal as an activator
JP3667477B2 (en) 1996-12-09 2005-07-06 滲透工業株式会社 Gas carburizing furnace parts and jigs

Also Published As

Publication number Publication date
FR2023211A1 (en) 1970-08-07
DE1956887A1 (en) 1970-06-11

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