MASSIMO BREGA / EURELIOS / SCIENCE PHOTO LIBRARY MASSIMO BREGA / EURELIOS / SCIENCE PHOTO LIBRARY
Studying an anti-corrosion paint. Researcher using a microscope to study the surface of a metal that has been treated with an anti-corrosion paint. The surface is seen on the screen at left. The most common cause of corrosion in metals is oxidation (reacting with the oxygen in the air), but other causes include salt from seawater, sulphur pollutants, stress, heat-related effects, and biological acids.
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