Category
Corrosion
Electrochemistry, rust, galvanic and localised corrosion, and environmental effects.
4 articles
Corrosion
Metal ionisation – the first step in every electrochemical corrosion process
How a metal atom loses electrons, becomes an ion and initiates electrochemical corrosion.
Pourbaix diagrams: a map of the thermodynamic stability of metals in water
Potential, pH, immunity, active dissolution, passivation and practical limitations.
Electrochemical corrosion of steel: what really happens on the metal surface?
Anode, cathode, electrolyte, oxygen, chlorides and rust formation.
What is corrosion and why does it occur?
A clear introduction to corrosion, the necessary conditions, common forms and protection methods.