From this article,it is briefly about corrosion.Corrosion is means the breaking down of essential properties in a material due to chemical reactions with its surroundings.From others ward,we can say corrosion is lose of electron of metal reacting with oxygen and water.Corrosion can happen in many things such as galvanic corrosion,corrosion of glasses and nonmetal and corrosion in passivated materials. Corrosion causes big impact to our economic.every year government has to spent million and million to prevent corrosion happen in our country.If we do not stop the corrosion,the incident that happen in 1983 which the collapsed Silver Bridge will happen again!!!!!!!!!!
for more information,please go to http://en.wikipedia.org/wiki/Corrosion
Wednesday, September 24, 2008
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