School of Metallurgy and Materials Engineering;
College of Engineering;
University of Tehran;
P.O.Box 11155-4563;
Tehran;
Iran;
Faculty of Materials Engineering;
Sahand University of Technology;
P.O.Box 51335-1996;
Tabriz;
Iran;
Al-Cu-Mg alloys; casting; T6 heat treatment; structure; precipitation hardening; tensile properties; fractography;