In this paper

the influence of the coated zinc and aluminium content of coating of zinc and aluminum metallized film on the self-healing energy is analyzed from the point of view of physical process. The self-healing process is transformed into sublimation process of the coating material

and the energy required is by the solid-liquid-gas form transformation is analyzed. The self-healing energy required by the aluminiumzinc film increases with the increase of aluminum content and decreases with the increase of zinc content under the condition that the thickness of the coating remains unchanged. In case of same coating thickness

the difference of self-healing energy between pure aluminum and pure zinc film is 55.5%. It is obtained through derivation that

under a certain square resistance

the self-healing energy required by the metallized film varies with its metal content

which is consistent with the constant thickness of the coating. In case of a definite square resistance

the difference of self-healing energy between pure zinc and aluminum film is only 15.2%

which is much smaller than that when the coating thickness is unchanged.