The car owner can rightly be concerned about rust patches appearing on the
bodywork of the car, as the rust not only makes the bodywork look shoddy but
indicates a mechanical weakening of the material. The steel used for the car
bodywork has thus changed with time due to an interaction between it and the
environment. The possibility of such corrosion is therefore a factor that has to
be taken into account when a material is selected for a particular purpose.
The term
corrosion
is used to describe an unintentional chemical or electro-
chemical reaction between a metal and its environment whic ...
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