Department of Chemical;
Metallurgical and Materials Engineering;
Tshwane University of Technology;
X680;
Pretoria;
South Africa;
Department of Mechanical Engineering;
Covenant University;
P.M.B 1023;
Ota;
Ogun State;
Nigeria;
Department of Metallurgical and Materials Engineering;
Ahmadu Bello University;
P. M.B 1045;
Zaria;
Nigeria;