The effects of Na2HPO4 on corrosion behaviour of Mg–5%Zn and Mg–7%Zn alloys in ovalbumin

The corrosion behaviour of Mg5Zn and Mg7Zn produced by powder metallurgy was studied in 0.1% ovalbumin (OVA) and 0.1% OVA with the presence of 0.01 M Na2HPO4. The Mg5Zn and Mg7Zn were characterized using scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX) and X-ray diffraction (XRD). The corrosion behaviour was characterized by hydrogen evolution, potentiodynamic polarization, and electrochemical impedance spectroscopy...