Department of Mechanical Engineering;
Abia Polythecnic Aba;
Nigeria;
Department of Metallurgical and Materials Engineering;
Enugu State University of Science & Technology;
Enugu;
Nigeria;
Department of Metallurgical and Materials Engineering;
Nnamdi Azikiwe University;
Awka;
Nigeria;
Model; Hardness; Heat; Affected; Zone; Aluminum; Weldments; Mild; Steel; Cast; Iron;