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What is the difference between Electrophoresis and Anodic Oxidation?

June 09,2022

 

Anodic oxidation:the electrochemical oxidation of metals or alloys. The process in which metals and their alloys form an oxide film on metal products (anodes) under the action of external current under the corresponding electrolyte and specific process conditions. Anodizing, if not specified, usually refers to sulfuric acid anodizing.

In order to overcome the defects of alloy surface hardness and wear resistance, expand the scope of application and prolong the service life, surface treatment technology has become an indispensable part of alloy use, and anodic oxidation technology is the most widely used and successful one at present.

Electrophoresis:charged particles move towards the electrode opposite to their electricity under the action of electric field, which is called electrophoresis (EP). The technology of separation by using the different moving speeds of charged particles in the electric field is called electrophoresis.

Electrophoresis is equivalent to coating the metal surface with a layer of resin paint.

Anodizing is to make the surface metal react with oxygen to form a protective film by electrochemical method. The surface has metal texture and higher grade. If you do oxidation first and then electrophoresis, the effect will be better.


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