Corrosion is a risky and to a great degree exorbitant issue. As a result of it, bridges and buildings can fall, oil pipelines break, leak of chemical plants. Electrical devices which are corroded can cause fires and different issues, eroded therapeutic implants may prompt blood poisoning, and air contamination has caused corrosion harm around the globe. Corrosion threatens the secure disposal of radioactive waste that must be put away in containers for a huge number of years.
A few metals can be treated with lasers to give them a non-crystalline structure, which opposes corrosion. In galvanization, iron or steel is covered with the more dynamic zinc; this structures a galvanic cell where the zinc consumes instead of the iron. Different metals are prevented by electroplating with a latent or passivating metal. Non-metallic coatings — plastics, paints, and oils — can likewise prevent corrosion.