High-corrosion-resistance environmentally-friendly trivalent chromium electroplating solution and electroplating method thereof
A technology of trivalent chromium and high corrosion resistance. It is applied in the field of electroplating technology. It can solve the problems of poor coating adhesion, corrosion resistance that cannot be compared with hexavalent chromium, and limited application. It can increase the thickness of the coating and the appearance of the coating is uniform and bright , The effect of improving the current efficiency
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0046] Plating solution composition:
[0047]
[0048]
[0049] Electroplating method: After washing the nickel-plated sheet (nickel layer thickness 9 microns), conduct electroplating test in a 267ml Hull cell, the conditions are: temperature 45°C, cathode current density 50ASD, electroplating for 30 minutes, and the anode is coated with DSA iridium titanium. layer anode. After electroplating, rinse with water and blow dry.
[0050] Evaluation of electroplating effect: observe the fine and uniform crystallization of the chromium plating layer, measure the surface hardness of 1000HV, and the thickness of 30 microns, after CaCl 2 / NaCl (1:1) salt spray test for 48 hours, the thickness difference between the high area and the low area of the coating is 5 microns, and the corrosion rate is 4%.
Embodiment 2
[0052] Plating solution composition:
[0053]
[0054] Electroplating method: After washing the nickel-plated sheet (nickel layer thickness 9 microns), conduct electroplating test in a 267ml Hull cell, the conditions are: temperature 45°C, cathode current density 50ASD, electroplating for 30 minutes, and the anode is coated with DSA iridium titanium. layer anode. Rinse with water after plating, then blow dry.
[0055] Evaluation of electroplating effect: observe the fine and uniform crystallization of the chromium plating layer, measure the surface hardness of 980HV, and the thickness of 30 microns, after CaCl 2 / NaCl (1:1) salt spray test for 48 hours, the thickness difference between the high area and the low area of the coating is 5 microns, and the corrosion rate is 5%.
Embodiment 3
[0057] Plating solution composition:
[0058]
[0059]
[0060] Electroplating method: After washing the nickel-plated sheet (nickel layer thickness 9 microns), conduct electroplating test in a 267ml Hull cell, the conditions are: temperature 45°C, cathode current density 50ASD, electroplating for 30 minutes, and the anode is coated with DSA iridium titanium. layer anode. After electroplating, rinse with water and blow dry.
[0061] Evaluation of electroplating effect: observe the fine and uniform crystallization of the chromium plating layer, measure the surface hardness of 990HV, and the thickness of 30 microns, after CaCl 2 / NaCl (1:1) salt spray test for 48 hours, the thickness difference between the high area and the low area of the coating is 5 microns, and the corrosion rate is 4%.
PUM
Property | Measurement | Unit |
---|---|---|
thickness | aaaaa | aaaaa |
thickness | aaaaa | aaaaa |
hardness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com