Abstract

AbstractIn this study, the effect of Ti and Zr elements with equal mass ratio on microstructure and corrosion resistance of Zn‐11Al‐3Mg alloy was investigated. The microstructure was significantly refined and Al‐rich phase transformed from dendrite to petal‐like with the addition of Zr and Ti elements, due to the Al3(TixZr1 − x) phase as the nucleation substrate. The corrosion resistance of Zn‐11Al‐3Mg‐x(Ti,Zr) alloy was effectively improved. Moreover, the corrosion products of Zn‐Al‐Mg alloy were not changed by the addition of Ti and Zr, which are mainly composed of Zn5(OH)8Cl2·H2O and Zn6Al2(OH)16CO3·4H2O.

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