GB924112A - Process of producing protective layers on metals - Google Patents
Process of producing protective layers on metalsInfo
- 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
Links
- 239000002184 metal Substances 0.000 title abstract 5
- 229910052751 metal Inorganic materials 0.000 title abstract 5
- 239000011241 protective layer Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 150000002739 metals Chemical class 0.000 title 1
- 229910045601 alloy Inorganic materials 0.000 abstract 2
- 239000000956 alloy Substances 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- 229910052709 silver Inorganic materials 0.000 abstract 2
- 229910052718 tin Inorganic materials 0.000 abstract 2
- 229910052725 zinc Inorganic materials 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 229910052797 bismuth Inorganic materials 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- 229910052745 lead Inorganic materials 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 229910052702 rhenium Inorganic materials 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
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.
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)
| 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 oxidation-resistant chromium-modified silicide coating and preparation method of the coating |
-
1959
- 1959-02-06 AT AT89659A patent/AT208675B/en active
-
1960
- 1960-02-01 GB GB352660A patent/GB924112A/en not_active Expired
Cited By (2)
| 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 oxidation-resistant chromium-modified silicide coating and preparation method of the coating |
Also Published As
| Publication number | Publication date |
|---|---|
| AT208675B (en) | 1960-04-25 |
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