This episode explores corrosion as the chemical or electrochemical degradation of metals, emphasizing its economic impact, safety risks, and aesthetic consequences. It explains oxidation-reduction reactions as the core mechanism and introduces tools like the standard emf and galvanic series to evaluate material reactivity. Topics include passivation, environmental factors influencing corrosion, and various forms such as galvanic, crevice, pitting, and stress corrosion. Prevention strategies are discussed, along with an overview of hydrogen embrittlement and its mitigation.4o

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