C. I. Nwoye
Department of Metallurgical and Materials Engineering, Nnamdi Azikiwe University, Awka, Nigeria
S. E. Ede
Department of Metallurgical and Materials Engineering, Enugu State University of Science & Technology, Enugu, Nigeria
N. I. Amalu
Department of Engineering Research, Development and Production, Project Development Institute, Enugu, Nigeria
I. D. Adiele
Department of Engineering Research, Development and Production, Project Development Institute, Enugu, Nigeria
C. W. Onyia
Department of Metallurgical and Materials Engineering, Enugu State University of Science & Technology, Enugu, Nigeria