Browsing by Author "Mandal, Purnendu Kumar"

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    Role and influence of microalloying with silver on mechanical properties and deformation behavior of aluminum alloys
    (2017) Mandal, Purnendu Kumar
    The present study aimed to investigate the microstructure and mechanical properties of Al-Cu-Zn-Fe-Ti-Mg alloy (≈2219 aluminum alloy) microalloyed with silver (Ag in the range 0–0.1 wt.%) under different thermo-mechanical process conditions for obtaining high specific strength, reasonable ductility, high fracture toughness and good corrosion resistance properties. Five different alloys were prepared with varying silver content. Chemical analysis was done to determine the percentage composition by weight of each element of the alloy. Microstructural characterization and mechanical properties were determined at different heat treatment conditions in cast as well as cast-rolled conditions. Age hardening behavior of alloys was performed by means of transmission electron microscope (TEM). Hot deformation behavior and processing maps were also generated by relevant microstructural study. Artificial neural network (ANN) modeling was also carried out to predict the flow stress.