The classification of types of corrosion is given. The nature and schemes of processes of electrochemical, pitting, crevice, intergranular, knife, transcrystalline corrosion are considered. Mechanochemical corrosion mechanisms (including hydrogen embrittlement, stress corrosion, corrosion cracking, and corrosion fatigue) are examined in detail, as they are the main factors in the destruction of welded pipelines, pressure vessels, tanks, and ship structures. Corrosion mechanisms are illustrated with visual diagrams.

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Types of Corrosion

  • Serhii Fomichov,
  • Olga Linyucheva,
  • Georgii Vasyliev,
  • Yevgenia Chvertko

摘要

The classification of types of corrosion is given. The nature and schemes of processes of electrochemical, pitting, crevice, intergranular, knife, transcrystalline corrosion are considered. Mechanochemical corrosion mechanisms (including hydrogen embrittlement, stress corrosion, corrosion cracking, and corrosion fatigue) are examined in detail, as they are the main factors in the destruction of welded pipelines, pressure vessels, tanks, and ship structures. Corrosion mechanisms are illustrated with visual diagrams.