Elektrische Korrosion

Anyone who owns a boat or doesn't leave the maintenance of their home heating system to a professional is almost certainly familiar with the term "sacrificial anode." For everyone else, this word is likely unfamiliar, and we're about to change that! A sacrificial anode is an effective and easy-to-use form of protection against rust. The name "sacrificial anode" comes from the fact that the anode itself is meant to corrode, or rust, instead of a more important component. It essentially sacrifices itself. This video explains how it works and where else it's used. A sacrificial anode is therefore a piece of metal that is deliberately "sacrificed" to protect all other metals on a vessel from corrosion. 🔹 How it works: • Metals have different electrochemical potentials. ``` • When a less noble metal (e.g., magnesium, zinc, or aluminum) is electrically connected to a more noble metal (e.g., steel) and placed in an electrolyte (e.g., water, soil, or seawater), the less noble metal dissolves first. • This protects the more noble metal (e.g., the ship's hull, boiler, water heater, or pipeline) from corrosion. 🔹 Applications: • Ships (protection of steel hulls) • Offshore installations and port structures • Water heaters and heating systems • Pipelines (especially underground or in seawater tanks) I can never guarantee the accuracy of the content or technical details! All representations and explanations are based on my current knowledge and should be critically examined as necessary.