Fig. 17: SVET colour maps representing normal current density measured above ZMA surfaces immersed in 0.17 mol.L-1 pH 7 solution for 24 h. | npj Materials Degradation

Fig. 17: SVET colour maps representing normal current density measured above ZMA surfaces immersed in 0.17 mol.L-1 pH 7 solution for 24 h.

From: Influence of Mg and Al alloying additions on the corrosion mechanisms of Hot-dipped Zn-Mg-Al coatings: role of microstructure and phase distribution

Fig. 17

The maps presented are of 1, 6, 12, 18 and 24 h of immersion time for Zn-1Mg-1Al, Zn-1Mg-3Al, Zn-3Mg-1Al and Zn-3Mg-3Al. Anodic activities are shown in red and cathodic activities are shown in blue.

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