How Corrosion Forms – Causes of Metal Corrosion, Rust, Electrochemical Corrosion and Protection

How does corrosion form and why do metals rust? This in-depth evergreen explanation explores the real causes of metal corrosion from a chemical and physical perspective. Learn what corrosion really is, how electrochemical corrosion works, the role of water, oxygen, and salts, and why metal behaves like a microscopic battery. The video explains the difference between rust and corrosion, oxidation of iron, and why corrosion is a natural return of metal to a lower-energy state. It also covers dangerous types of corrosion such as uniform corrosion, pitting corrosion, crevice corrosion, galvanic corrosion, stress corrosion cracking, and intergranular corrosion. Finally, it explains effective corrosion protection methods including coatings, galvanization, passivation, sacrificial anodes, and cathodic protection—and why corrosion can never be completely stopped. Ideal for students, engineers, construction, manufacturing, and anyone who wants to truly understand how corrosion works. #corrosion #howcorrosionforms #metalcorrosion #rust #electrochemistry #materialsengineering #infrastructure #engineering #science #technology #evergreen