Last Updated：2025/11/27

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An anode used to protect buried or submerged metal structures from corrosion, made from a metal alloy with a more active voltage (more negative electrochemical potential) than the metal of the protected structure, so that the anode material corrodes and is consumed in preference to the structure.

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galvanic anode

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Source Word

galvanic anode

Noun

An anode used to protect buried or submerged metal structures from corrosion, made from a metal alloy with a more "active" voltage (more negative electrochemical potential) than the metal of the protected structure, so that the anode material corrodes and is consumed in preference to the structure.

Japanese Meaning

埋設または水中の金属構造物を腐食から保護するために使用されるアノード。保護する金属よりも電気化学的に活性（より負の電位）な金属合金から作られており、その合金が自ら腐食して消費されることで、構造物が守られる仕組みです。