JPS56150171A - Partial plating method of molten metal and plating inhibitor - Google Patents
Partial plating method of molten metal and plating inhibitorInfo
- Publication number
- JPS56150171A JPS56150171A JP5331380A JP5331380A JPS56150171A JP S56150171 A JPS56150171 A JP S56150171A JP 5331380 A JP5331380 A JP 5331380A JP 5331380 A JP5331380 A JP 5331380A JP S56150171 A JPS56150171 A JP S56150171A
- Authority
- JP
- Japan
- Prior art keywords
- plating
- film
- oxalic acid
- furnace
- plated
- 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.)
- Granted
Links
- 238000007747 plating Methods 0.000 title abstract 8
- 239000003112 inhibitor Substances 0.000 title 1
- 239000002184 metal Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 15
- 235000006408 oxalic acid Nutrition 0.000 abstract 4
- 229910000831 Steel Inorganic materials 0.000 abstract 3
- 239000000243 solution Substances 0.000 abstract 3
- 239000010959 steel Substances 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- 239000012190 activator Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000001680 brushing effect Effects 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- -1 for example Substances 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 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
-
- 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
Abstract
PURPOSE:To enable to completely carry out the plating to a prearranged part by preliminarily forming an oxalate film to a part not requiring the plating of a steel product by an aqueous oxalic acid solution. CONSTITUTION:An aqueous oxalic acid solution or an aqueous solution based on oxalic acid is coated on an unplated surface of a steel product and an oxalate film is formed by chemical formation. Said film is formed in an amount of about 1- 50g/m<2> in a film weight. Subsequently, the oxalate film formed steel product is heated in an oxidation furnace or a nonoxidation furnace and introduced into a reduction furnace to activate and purify a surface to be plated and, thereafter, immersed in a plating bath or flux treatment is applied to said surface to be plated and, after drying in a drying furnace, immersed in the plating bath to uniformly applying the plating only on said surface to be plated. Said plating inhibiting film can be easily removed by wet brushing or the like. Further, to said aqueous oxalic acid solution, as an activator, for example, hydrochloric acid or the like can be added and, as an oxidation promotor, for example, thiosulfate or the like can be added therewith and it is possible to add Mg, Ca or the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55053313A JPS5815532B2 (en) | 1980-04-22 | 1980-04-22 | Partially melted metal plating method and plating inhibitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55053313A JPS5815532B2 (en) | 1980-04-22 | 1980-04-22 | Partially melted metal plating method and plating inhibitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56150171A true JPS56150171A (en) | 1981-11-20 |
| JPS5815532B2 JPS5815532B2 (en) | 1983-03-26 |
Family
ID=12939224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55053313A Expired JPS5815532B2 (en) | 1980-04-22 | 1980-04-22 | Partially melted metal plating method and plating inhibitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5815532B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58162269U (en) * | 1982-04-26 | 1983-10-28 | 日野自動車株式会社 | Intake noise reduction mechanism |
| JPH0136705Y2 (en) * | 1985-03-28 | 1989-11-07 |
-
1980
- 1980-04-22 JP JP55053313A patent/JPS5815532B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5815532B2 (en) | 1983-03-26 |
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