Understanding Corrosion in Water Pipelines: A Guide for Pipeline Designers


Quiz: Cathodic Protection as a Corrosion Prevention Method

By Krystal Nanan
Published: May 3, 2019
Key Takeaways

Having a thorough understanding of cathodic protection is vital for anyone in the corrosion industry.

Cathodic protection is a corrosion prevention technique used to mitigate corrosion damage to active metal surfaces. This type of protection works by intentionally creating a galvanic cell with another, more easily corroded metal (also known as a sacrificial metal). Cathodic protection systems are used in a broad range of applications including, but not limited to buried pipelines, ship hulls, offshore platforms, underground tanks, water heaters, and oil well casings.


While this corrosion protection method is relatively common in several industries, its effectiveness varies depending on its application. Therefore, it is essential that corrosion professionals understand the various factors that can affect the cathodic protection process to ensure that protection systems operate at optimal efficiency. Test your knowledge with the quiz below!


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Written by Krystal Nanan | Civil Engineer

Krystal Nanan
Krystal is a civil engineer and project manager with an MSc in Construction Engineering and Management. Her experience includes the project management of major infrastructure projects, construction supervision, and the design of various infrastructure elements including roadway, pavement, traffic safety elements and drainage. Krystal is also a published author with the Transportation Research Board in Washington, D.C.

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