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第21楼2006/10/26
However, jcorr and hence the rate of corrosion per unit area can be determined indirectly using
potentiodynamic polarization, the limiting form of the Butler-Volmer equation (Equation 2.1)
and Tafel plots.
j = j
0
e
(1-)f- e -f { }
where f =
nF
RT
, = E
applied
- E
corr
= transfer coefficient
The first exponential term in Equation 2.1 corresponds to the anodic component whilst the
second is the cathodic component.
……(2.1)