NUM ERICAL AND EXPERIMENTAL INVESTIGATIONS OF CUTTING FORCE FOR NAB-CBN COMPOSITE

الملخص

The alloy of nickel aluminum bronze (NAB) presents superior properties such as high
strength, excellent wear resistance and corrosion resistance, so it’s used in a wide range of
engineering applications. Usually, this material undergo to a series of machining processes
to achieve the final shape. In this paper, NAB alloy reinforced with cubic boron nitride
(CBN) particles was fabricated by powder metallurgy route. Design of experiments has been
used to study the effect of main turning parameters on the main cutting force for NAB-CBN
composite. Numerical modelling was developed to predict the main cutting force required
during turning process under different machining conditions. The results of numerical model
showed that the maximum error comparing with the experiment results is not exceed
13.86%, which suggests that the developed model are reasonable. Optimization of
machining process parameters was done using response surface method.