Abstract
Suspension of nano-meter sized metallic and non-metallic particles in a conventional fluid is called as nanofluid (NF). The present work investigates the performance of different concentration of multi-walled carbon nanotubes (MWCNT) mixed nanofluid. The nanofluid samples are prepared by suspension of various concentration of MWCNT in a water-based emulsion (95% water + 5% servo cut S oil). Four different process parameters (feed, speed, depth of cut and nanoparticles concentration) has been selected for experimentation. The experiment is designed, and the L27 orthogonal array is selected using Response Surface Methodology (RSM) technique. Furthermore, all the tests are conducted on AISI 304 stainless steel in turning operation using minimum quantity lubrication(MQL) technique. The analysis of variance (ANOVA) is used to analyse the significant effect of process parameter on response (surface roughness and cutting temperature) parameter during turning operation. The experimental result shows that application of MWCNT nanofluid using MQL significantly reduces the surface roughness and cutting temperature.
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