JPS56105463A - Surface treatment of hot-dipped metal coating - Google Patents
Surface treatment of hot-dipped metal coatingInfo
- Publication number
- JPS56105463A JPS56105463A JP704580A JP704580A JPS56105463A JP S56105463 A JPS56105463 A JP S56105463A JP 704580 A JP704580 A JP 704580A JP 704580 A JP704580 A JP 704580A JP S56105463 A JPS56105463 A JP S56105463A
- Authority
- JP
- Japan
- Prior art keywords
- metal
- coating
- heating medium
- metal coating
- coated
- 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
- 239000002184 metal Substances 0.000 title abstract 9
- 239000011248 coating agent Substances 0.000 title abstract 8
- 238000000576 coating method Methods 0.000 title abstract 8
- 238000004381 surface treatment Methods 0.000 title 1
- 238000010438 heat treatment Methods 0.000 abstract 4
- 235000019482 Palm oil Nutrition 0.000 abstract 2
- 238000002844 melting Methods 0.000 abstract 2
- 230000008018 melting Effects 0.000 abstract 2
- 239000002540 palm oil Substances 0.000 abstract 2
- 150000001805 chlorine compounds Chemical class 0.000 abstract 1
- 239000000356 contaminant Substances 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000004506 ultrasonic cleaning Methods 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
-
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
- C23C2/285—Thermal after-treatment, e.g. treatment in oil bath for remelting the coating
Abstract
PURPOSE:To make the thickness of the metal coating uniform and to improve the appearance and the moisture-resisting property of the coating by a method wherein the body coated with the metal by hot dipping is subjected to ultrasonic cleaning in a heating medium at a temperature not lower than the melting point of the coating metal. CONSTITUTION:After pulling out the coated body from a molten metal bath, the body is immersed into the heating medium such as palm oil which is heated at a temperature of not lower than the melting point of the coating metal. While remelting the coating metal on the surface of the body by the immersion, ultrasonic vibration is applied to the heating medium, whereby such contaminants as chlorides and oxides are removed from the surface of the coated body and an excess of deposit can be removed, so that the thickness of the metal coating is controlled appropriately. In addition, since a film palm oil or the like is formed, the surface of the metal coating is prevented from decoloration due to oxidation during heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP704580A JPS56105463A (en) | 1980-01-24 | 1980-01-24 | Surface treatment of hot-dipped metal coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP704580A JPS56105463A (en) | 1980-01-24 | 1980-01-24 | Surface treatment of hot-dipped metal coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56105463A true JPS56105463A (en) | 1981-08-21 |
Family
ID=11655074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP704580A Pending JPS56105463A (en) | 1980-01-24 | 1980-01-24 | Surface treatment of hot-dipped metal coating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56105463A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1495815A1 (en) * | 2003-07-09 | 2005-01-12 | Stahl Biebertal GmbH | Method for cleaning a metallic surface |
-
1980
- 1980-01-24 JP JP704580A patent/JPS56105463A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1495815A1 (en) * | 2003-07-09 | 2005-01-12 | Stahl Biebertal GmbH | Method for cleaning a metallic surface |
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