Anode
How does magnesium anode work ? (แมกนีเซียมแอโนดทำงานอย่างไร ?)
มิ.ย.
How does magnesium anode work ? (แมกนีเซียมแอโนดทำงานอย่างไร ?)
How does magnesium anode work ? (แมกนีเซียมแอโนดทำงานอย่างไร ?) : Magnesium anode work by undergoing galvanic corrosion, which is a type of corrosion where one metal corrodes preferentially to another when they are in electrical contact in an electrolyte. In the case of magnesium anodes, they are installed in a metal structure such as a steel storage tank or a boat hull, and the magnesium anode corrodes preferentially to the metal structure, thereby protecting it from corrosion.
When the metal structure and the magnesium anode are in contact with an electrolyte, such as water or soil, the magnesium anode undergoes oxidation, releasing electrons into the surrounding electrolyte. This causes the magnesium to corrode and form magnesium ions in the electrolyte. The released electrons are then picked up by the metal structure, causing it to be protected from corrosion.
The process of magnesium anodes corroding preferentially to the metal structure is known as cathodic protection. In order for the magnesium anode to work effectively, it must be in good electrical contact with the metal structure and have sufficient mass to corrode over a long period of time. Magnesium anodes must be periodically inspected and replaced when they are depleted to ensure continued protection of the metal structure.
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