JPS5528349A - Surface-treating method for screw part - Google Patents
Surface-treating method for screw partInfo
- Publication number
- JPS5528349A JPS5528349A JP10097778A JP10097778A JPS5528349A JP S5528349 A JPS5528349 A JP S5528349A JP 10097778 A JP10097778 A JP 10097778A JP 10097778 A JP10097778 A JP 10097778A JP S5528349 A JPS5528349 A JP S5528349A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- screw
- dipped
- dissolve
- screws
- 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
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- 230000007797 corrosion Effects 0.000 abstract 2
- 238000005260 corrosion Methods 0.000 abstract 2
- 229910000838 Al alloy Inorganic materials 0.000 abstract 1
- 229910000851 Alloy steel Inorganic materials 0.000 abstract 1
- 229910000975 Carbon steel Inorganic materials 0.000 abstract 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 239000010962 carbon steel Substances 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- 235000006408 oxalic acid Nutrition 0.000 abstract 1
- 230000008646 thermal stress Effects 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
- C23C2/26—After-treatment
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 With Molten Metal (AREA)
Abstract
PURPOSE:To dissolve and remove excessively deposited Al, by immersing hot Al dipped small parts such as screws into an acid soln. CONSTITUTION:Small parts 1 such as screws, bolts made of carbon steel or low alloy steel are dipped in molten Al to form Al plated layers 2 excellent in heat resistance, corrosion resistance on the surfaces thereof. Excessive Al 5 deposited in the bottom or groove of the screw fill the bottom or groove, causing functional disorder of the screw or bolt. Therefore, the screw or bolt is immersed into a mineral acid such as hydrochloric acid, or nitric acid, or an org. acid such as citric acid or oxalic acid in order to dissolve and remove the excessive Al 5 and to expose plated layer 2 of Fe-Al alloy. The plated layer is excellent in heat resistance and corrosion resistance, and its thickness is hardly increased more than needed, consequently no crack due to thermal stress is developed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10097778A JPS5528349A (en) | 1978-08-21 | 1978-08-21 | Surface-treating method for screw part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10097778A JPS5528349A (en) | 1978-08-21 | 1978-08-21 | Surface-treating method for screw part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5528349A true JPS5528349A (en) | 1980-02-28 |
Family
ID=14288398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10097778A Pending JPS5528349A (en) | 1978-08-21 | 1978-08-21 | Surface-treating method for screw part |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5528349A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7089903B2 (en) * | 2004-03-24 | 2006-08-15 | Honda Motor Co., Ltd. | Vibration control arrangement for internal combustion engines |
| CN117989214A (en) * | 2024-04-07 | 2024-05-07 | 广东腐蚀科学与技术创新研究院 | Aluminized connecting fastener capable of preventing galvanic corrosion and manufacturing method thereof |
-
1978
- 1978-08-21 JP JP10097778A patent/JPS5528349A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7089903B2 (en) * | 2004-03-24 | 2006-08-15 | Honda Motor Co., Ltd. | Vibration control arrangement for internal combustion engines |
| CN117989214A (en) * | 2024-04-07 | 2024-05-07 | 广东腐蚀科学与技术创新研究院 | Aluminized connecting fastener capable of preventing galvanic corrosion and manufacturing method thereof |
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