JPS57158366A - Preventing method for corrosion of metallic member - Google Patents
Preventing method for corrosion of metallic memberInfo
- Publication number
- JPS57158366A JPS57158366A JP4406081A JP4406081A JPS57158366A JP S57158366 A JPS57158366 A JP S57158366A JP 4406081 A JP4406081 A JP 4406081A JP 4406081 A JP4406081 A JP 4406081A JP S57158366 A JPS57158366 A JP S57158366A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- coated
- corrosion resistance
- sprayed
- alloy
- 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.)
- Pending
Links
- 238000005260 corrosion Methods 0.000 title abstract 4
- 230000007797 corrosion Effects 0.000 title abstract 4
- 238000000034 method Methods 0.000 title 1
- 229910000640 Fe alloy Inorganic materials 0.000 abstract 2
- 229910000990 Ni alloy Inorganic materials 0.000 abstract 2
- 239000000956 alloy Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000011148 porous material Substances 0.000 abstract 2
- 229910000978 Pb alloy Inorganic materials 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002912 waste gas Substances 0.000 abstract 1
- 229910052725 zinc 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
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
- C23C26/02—Coating not provided for in groups C23C2/00 - C23C24/00 applying molten material to the substrate
-
- 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
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
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 By Spraying Or Casting (AREA)
Abstract
PURPOSE:To clog the pores in a coated layer and to enhance the corrosion resistance of the layer by forming a plurality of sprayed metallic layers on the surface of an Fe or Ni alloy and melting the surface of the outermost layer by heating. CONSTITUTION:On the surface of an Fe or Ni alloy material 2 used in the treatment of waste gas contg. corrosive components such as SO2, H2S and Cl<-> a metal 4 with a relatively low m.p. and superior adhesion to the alloy material 2 such as Zn or Al is sprayed, and the sprayed layer 4 is coated with Pb or a Pb alloy 5 with high corrosion resistance to corrosive gases such as SO2, H2S and Cl2. The surface of the coated Pb layer 5 is then remelted by heating with a burner or the like to form a molten layer 7, whereby the pores in the surface coated layer 5 are clogged to prevent the permeation of such corrosive gases. Thus, the corrosion resistance of the layer 5 is enhanced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4406081A JPS57158366A (en) | 1981-03-27 | 1981-03-27 | Preventing method for corrosion of metallic member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4406081A JPS57158366A (en) | 1981-03-27 | 1981-03-27 | Preventing method for corrosion of metallic member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57158366A true JPS57158366A (en) | 1982-09-30 |
Family
ID=12681075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4406081A Pending JPS57158366A (en) | 1981-03-27 | 1981-03-27 | Preventing method for corrosion of metallic member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57158366A (en) |
-
1981
- 1981-03-27 JP JP4406081A patent/JPS57158366A/en active Pending
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