Improving microstructural homogeneity and reducing grain size of Zn-3Mg alloy through ECAP by Dambatta, M. S., Izman, S., Auwal, S. T., Kurniawan, D., Ramesh, S., Abdullahi, U., Mas Ayu, H., Shah, A., Gidado, A. Y., Ibrahim, Auwal, Ibrahim, Musa Alhaji