GB924112A - Process of producing protective layers on metals - Google Patents

Process of producing protective layers on metals

Info

Publication number
GB924112A
GB924112A GB352660A GB352660A GB924112A GB 924112 A GB924112 A GB 924112A GB 352660 A GB352660 A GB 352660A GB 352660 A GB352660 A GB 352660A GB 924112 A GB924112 A GB 924112A
Authority
GB
United Kingdom
Prior art keywords
protective layers
melt
metals
producing protective
metal
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
GB352660A
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.)
Metallwerk Plansee AG
Metallwerk Plansee GmbH
Original Assignee
Metallwerk Plansee AG
Metallwerk Plansee GmbH
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 Metallwerk Plansee AG, Metallwerk Plansee GmbH filed Critical Metallwerk Plansee AG
Publication of GB924112A publication Critical patent/GB924112A/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

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)
  • Physical Vapour Deposition (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

In a process for producing protective layers on metal parts (particularly of Mo, W, Nb, Ta, Re and their alloys), the parts are treated, as by immersion, with a Cu melt which contains up to 60% Si and/or Cr, and after formation of the resulting protective layer the free Si and/or Cr is dissolved by means of a metal melt which contains no more than 5% of Si and/or Cr, the resulting metal layer being chemically or electrochemically removed. The Cu melt may contain up to a total of 50% of one or more of Sn, Zn, Al or Ag. The final metal melt may be of Zn, Sn, Cu, Ag or their alloys and may contain up to a total of 50% of Al, Bi, Cd or Pb.
GB352660A 1959-02-06 1960-02-01 Process of producing protective layers on metals Expired GB924112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT89659A AT208675B (en) 1959-02-06 1959-02-06 Process for the production of protective layers on, in particular, refractory metals

Publications (1)

Publication Number Publication Date
GB924112A true GB924112A (en) 1963-04-24

Family

ID=3502310

Family Applications (1)

Application Number Title Priority Date Filing Date
GB352660A Expired GB924112A (en) 1959-02-06 1960-02-01 Process of producing protective layers on metals

Country Status (2)

Country Link
AT (1) AT208675B (en)
GB (1) GB924112A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523003A1 (en) * 1985-06-27 1987-01-02 Schmetz Kg Process for surface-coating metals
CN100462471C (en) * 2006-03-17 2009-02-18 北京航空航天大学 High-temperature antioxidant chiomium modified sillicide coating and preparation thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523003A1 (en) * 1985-06-27 1987-01-02 Schmetz Kg Process for surface-coating metals
CN100462471C (en) * 2006-03-17 2009-02-18 北京航空航天大学 High-temperature antioxidant chiomium modified sillicide coating and preparation thereof

Also Published As

Publication number Publication date
AT208675B (en) 1960-04-25

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