The surface roughness increased wit

The surface roughness increased with increasing volume
fraction of particles. The optimum surface roughness in
the machining of MMCs was obtained at the cutting
speed of 160 m min_1 for both types of cutting tools
while the maximum surface roughness values appeared
in the machining of the 10% Al2O3 particles reinforced
composite with particle size of 16 mm. In the machining
of the particle-reinforced composites, the surface roughness
of the TP30 tool was lower than that of the TiN
(K10) tool due to not having a chip breakness geometry.