GB277307A - Process for the protection of metals in the cementation process - Google Patents

Process for the protection of metals in the cementation process

Info

Publication number
GB277307A
GB277307A GB21286/27A GB2128627A GB277307A GB 277307 A GB277307 A GB 277307A GB 21286/27 A GB21286/27 A GB 21286/27A GB 2128627 A GB2128627 A GB 2128627A GB 277307 A GB277307 A GB 277307A
Authority
GB
United Kingdom
Prior art keywords
cementation
metals
protection
steels
aciúries
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
GB21286/27A
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.)
Acieries Et Forges Firminy
Original Assignee
Acieries Et Forges Firminy
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 Acieries Et Forges Firminy filed Critical Acieries Et Forges Firminy
Publication of GB277307A publication Critical patent/GB277307A/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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/04—Treatment of selected surface areas, e.g. using masks

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)
  • Electroplating And Plating Baths Therefor (AREA)

Abstract

277,307. Soc. Anon. des AciÚries et Forges de Firminy. Sept. 7, 1926, [Convention date]. Cementation.-To protect steels during cementation by the process described in Specification 174,580, the steels are coated electrolytically or in any other manner with a thick and compact coating of nickel.
GB21286/27A 1926-09-07 1927-08-12 Process for the protection of metals in the cementation process Expired GB277307A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR277307X 1926-09-07

Publications (1)

Publication Number Publication Date
GB277307A true GB277307A (en) 1928-11-12

Family

ID=8886450

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21286/27A Expired GB277307A (en) 1926-09-07 1927-08-12 Process for the protection of metals in the cementation process

Country Status (1)

Country Link
GB (1) GB277307A (en)

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