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Electrodeposition of Nanocrystalline Zinc on Steel Substrate from Acid Sulphate Bath and its Corrosion Study

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Figure

Table -1: Basic bath composition and operating conditions
Fig. 1. Hull cell figures: (a) Key, (b) Effect of additive, (c) Effect of ZnSO Na2SO4, (e) Effect of H4, (d) Effect of                                                     3BO3, (f) Effect of CTAB, (g) Effect of pH, (h) Effect of temperature, and (i) Effect
Fig. 2. Effects of addition agents on cathodic potential. {(A) ZnSO4, (240 g/l) + Na2SO4 (40 g/l) + H3BO3 (40 g/l) + CTAB (2 g/l) [BB]; (B), BB + GGL–VTL (20 ml/l)}
Fig. 4. Typical potentiodynamic polarization curve for coating thickness 15 µµµµm in 3.5%  NaCl solution
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