Which environmental factor can exacerbate thermal expansion-related corrosion?

Enhance your knowledge for the API 571 Certification. Use multiple choice questions and detailed explanations to prepare effectively. Equip yourself to succeed in the domain of corrosion and materials.

Frequent temperature changes are known to exacerbate thermal expansion-related corrosion because these fluctuations can lead to repeated cycles of expansion and contraction of materials in structures, such as pipes or tanks. As these materials expand and contract, they may experience stress at joints and welds, which can cause micro-cracks. Over time, these micro-cracks can grow and become pathways for corrosive agents to penetrate the material. Additionally, constant temperature variations may not allow corrosion protection measures, like coatings or inhibitors, to be effective, as the changing conditions can disrupt their performance. Therefore, the presence of frequent temperature changes creates a harsh environment that accelerates the degradation of materials through thermal stresses and corrosion processes.

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