Fig. 1. Schematic diagram ofthe internal structure of the (PVP/PAA)₁₀ films prepared by (a) D-C methodand (b) S-C method.

Fig.2. SEM morphology of (a, d)the D-C film, (b, e) the S-C filmand(c) the AZ31 substrate, (f) the elementalcomposition from point 1 to point 12.

Fig. 3. FT-IR spectra of(a) pure PVP, (b) pure PAA, (c) the D-Cfilm and (d) the S-C film.

Fig.4. Scratch results of (a) the D-C film and (b) the S-C film.

Fig. 5. Schematicillustration of the corrosion mechanism of the (PVP/PAA)₁₀ films onAZ31 Mg alloys in HBSS.

相关文献

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