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sacrificial anode |
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sacrificial anode [¦sak·rə‚fish·əl ′an‚ōd] (physical chemistry) A protective coating applied to a metal surface to act as an anode and be consumed in an electrochemical reaction, thereby preventing electrolytic corrosion of the metal. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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You can replace sacrificial anodes with the boat in the water, and no longer need to lubricate the shaft bearing. Often the metal is protected against corrosion by the use of a sacrificial anode, impressed current, or a combination of the two. Using the right type of sacrificial anode is crucial. |
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