Which risk increased on 18th-century wooden warships primarily due to the galvanic corrosion mechanism?

💡 Explanation

When iron bolts were used alongside copper sheathing (for biofouling prevention) on wooden hulls, galvanic corrosion occurred because of the electrochemical potential difference, accelerating the iron bolt corrosion. Therefore hull weakening resulted, rather than rudder failure, mast collapse, or sail detachment which require external factors rather than an electrochemical one.

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