"Cathodic protection" nghĩa là gì?

Photo by Jay Heike on Unsplash

"Cathodic protection" = bảo vệ cực âm -> nghĩa là kỹ thuật bảo vệ kim loại khỏi ăn mòn, gỉ sét bằng cách biến miếng kim loại đó thành cực âm của pin, rồi kết nối với cực dương là miếng kim loại khác dễ bị ăn mòn hơn.  

Ví dụ
Cathodic protection is commonly used to protect numerous (vô số) structures against corrosion (ăn mòn), such as ships, offshore floaters, subsea equipment, harbours, pipelines, tanks; basically all submerged or buried metal structures.

The simplest method to apply cathodic protection is by connecting the metal to be protected with another more easily corroded metal to act as the anode (cực dương). Zinc (kẽm), aluminium (nhôm) and magnesium are the metals commonly used as anodes.

We have delivered cathodic protection solutions to clients in the offshore oil and gas for more than 15 years and to the fast growing offshore (ngoài khơi) wind sector for 3 years. Even if most projects have elements that make them unique and therefor need some degree of individual (cá nhân) engineering and planning individually, we can build on solutions developed for previous projects.

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