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    An investigation into the deformation behaviour of AA6061-5% SiC p composite during and after hot extrusion process

    , Article Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications ; Volume 225, Issue 1 , 2011 , Pages 22-31 ; 14644207 (ISSN) Akhgar, J. M ; Mirjalili, A ; Serajzadeh, S ; Sharif University of Technology
    In this study, hot extrusion of AA6061-5% SiCp composite was studied to determine the composite thermo-mechanical behaviour during deformation and the mechanical properties of extruded composite. Hot compression tests were first carried out to obtain the flow stress behaviour of the composite at different temperatures and strain rates. Then a mathematical model was used to estimate the required energy as well as to predict temperature and strain distributions during the process. Finally, hot extrusion experiments were performed in order to verify the predictions and, also, tensile and hardness testing were conducted to evaluate mechanical properties of extruded material. Comparison between...