Corrosion (Galvanic and Stray Current)

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Intermediate

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Boat Electrics

4 Lessons

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Corrosion (Galvanic and Stray Current)

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We will learn about the electrochemical processes that cause galvanic corrosion when two different types of metal are immersed in an electrolyte.

Video lesson

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In this lesson you will learn how you can minimize the risk for corrosion by choosing the right materials, surface coatings and construction methods.

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Learn how you can use a bonding system and sacrificial anodes to keep corrosion at bay. We also briefly look at impressed current systems.

Video lesson

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Stray-current corrosion can be much worse than galvanic corrosion. We look at various examples of stray-current corrosion and how you can minimize the risk on your boat.

Text lesson

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About the teacher

Jan & Nigel

This course has been created in a joint effort by Nigel Calder and Dr. Jan Athenst├Ądt. Jan will take the role of presenter and guide you through the lessons.

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