Abstract |
Seawater, which covers more than 70 % of the earth’s surface, is a complex electrolyte containing living matter, suspended silt, dissolved gases and decaying organic materials. Seawater is the most abundant naturally occurring electrolyte. It is also one of the most corrosive natural environment. Despite variations in salinity, temperature and growth of marine organisms from place to place, the general pattern of corrosion of materials remains the same throughout the world. Depending upon the marine zone to which the metals are exposed, the rate of deterioration varies. |