Mixed-metal Coated Titanium Anodes For Trivalent Chromium Plating

Substrate Material	titanium Grade 1, titanium Grade 2
Dimensions	customer drawing welcomed
Shape	Plate/Tube/Rod/Mesh shape
MMO coating	Ir-Ta coating
Coating thickness	0.2-12μm
Temperature	<60 ℃
Working Current	<20000A/m2
Ti Content (%)	at least 99%
Technique	plating

 

• Preparations: Firstly, titanium anodes and metal workpieces to be electroplated with trivalent chromium need to be prepared. Put the titanium anode and the metal workpiece into the electroplating tank respectively, and add the trivalent chromium electroplating solution into the electroplating tank.

 

• Start electroplating: Connect the electroplating tank to the power supply and apply current so that the titanium anode becomes the anode and the metal workpiece becomes the cathode. Under the action of electric current, the oxide layer on the surface of the titanium anode will be reduced and dissolved into the electroplating solution, and at the same time, a trivalent chromium oxide layer will begin to form on the surface of the metal workpiece.

 

• Adjust current and voltage: In order to control the thickness and uniformity of the oxide layer during the electroplating process, it is necessary to adjust the current and voltage according to specific requirements. Generally speaking, the larger the current density, the thinner the oxide layer; the smaller the current density, the thicker the oxide layer. In addition, the temperature and pH value of the plating solution need to be adjusted to ensure the quality and uniformity of the oxide layer.

 

• Complete electroplating: The electroplating time depends on the thickness and uniformity of the required oxide layer, generally ranging from tens of minutes to several hours. After the electroplating is completed, the metal workpiece is taken out and subsequent processing such as cleaning and drying is carried out to remove the residual electroplating solution and impurities on the surface.

 

                                  

(1) The pH value of the trivalent chromium plating solution should be controlled between 4-5, too high or too low will affect the quality and uniformity of the oxide layer.

 

(2) The current density should be appropriate. If it is too high, the thickness of the oxide layer will be uneven, and if it is too low, it will affect the plating efficiency.

 

(3) The trivalent chromium plating solution should be tested and replaced regularly to ensure the quality and stability of the electrolyte.

 

(4) The electroplating tank and electroplating solution should be cleaned and maintained regularly to avoid the influence of impurities and pollutants in the electroplating solution on the oxide layer.

 

(5) Safety should be paid attention to during the electroplating process to avoid accidents such as electric shock and chemical splashing into the eyes.

 

                                           

 

1. Efficiency: Titanium anode has excellent electrochemical properties, which can quickly promote the formation of trivalent chromium oxide layer, thereby improving electroplating efficiency and production efficiency.

 

2. Cost savings: Compared with traditional electroplating anode materials, such as lead and iron, titanium anodes have a longer service life and lower maintenance costs, which can help companies save costs.

                                                  

3. Good corrosion resistance: Titanium anode itself has excellent corrosion resistance and oxidation resistance, which can resist the chemical action and corrosive environment in the plating solution, thereby prolonging the service life of the titanium anode.

 

4. Strong controllability: Titanium anode can control the thickness and uniformity of the oxide layer by adjusting parameters such as current, voltage, electrolyte composition and temperature, so as to obtain the required surface quality and performance.

 

5. Eco-friendly: Titanium anode itself is an eco-friendly material that will not cause pollution and harm to the environment.

                                                   

                           

 

              1. Sewage Treatment;                                         4. Sea Water Antifouling;                              7. Electroplating Industry;

              2. Cathode Protection;                                       5. Testing Electrode;                                      8. Electrodialysis;
              3. Noble Metal Plating (silver, gold);                  6. Electrolytic Synthesis Of Organic;             9. Electrolytic Water.