Abstract
Aluminum fly ash metal matrix composites (MMCs) find important applications in aerospace where specific stiffness is important. The aluminum fly ash metal matrix composites (ALFA) can be processed through low cost processing route ie by liquid metallurgy — stir casting. These ALFA composites have limited ductility which makes secondary mechanical processing very difficult, the strain rate and temperature for deformation processing is generally set by trial and error methods. The development of processing maps for the optimization of processing parameters such as strain rate and temperature has been found to be very useful, The aim of the present investigation is to study the constitutive flow behavior of AA6061 aluminum alloy-10 vol. % fly ash particulate MMC under hot-working conditions and to generate a processing map for optimization of hot workability.
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