الفهرس 
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Abstract
This research presents the results of experimental investigation on the
machinability characteristics in conventional turning process of two different Al-Si
alloy-based metal matrix nanocomposites (MMNCs), containing 0.5 vol.-% of
Al2O3 nanoparticles and 0.5 vol.-% multi-wall carbon nanotubes (MWCNTs). The
MMNCs were fabricated using stir casting technique.
The influence of the nanofiller type as well as the turning machining
parameters, typically, the cutting speed, feed rate and the rake angle of the cutting
tool on the machinability characteristics, typically, the surface roughness, roundness
error and material removal rate (MRR) were studied.
The results revealed that cutting speed has the most significant effect on the
roundness error and MRR of the nanocomposites. While, the rank angle is the most
influential factor that affect the surface roughness of the nanocomposites.