Paper Title:
Surface Intergrity of Inconel 718 under MQL Condition
  Abstract

The purpose of this study is to investigate the effect of turning parameters on the surface integrity of Inconel 718. The turning parameters studied were cutting speed of 90, 120, 150 m/min, feed rate of 0.15, 0.25, 0.25mm/rev and depth of cut of 0.3, 0.4, 0.5 mm under minimum quantity lubricant (MQL) using coated carbide tool. surface response methodology (RSM) design of experiment using Box-Behnken approach has been employed consisting of various combination of turning parameters Surface roughness, surface topography, microstructure and the micro hardness of the machined surface were studied after the machining process. Feed rate was found to be the most significant parameter affecting the surface roughness. The optimum parameter was obtained with Ra equal to 0.243 µm at cutting speed of 150 m/min, feed rate of 0.25 mm/rev and depth of cut of 0.3mm. A mathematical model for surface roughness was developed using Response Surface Methodology. The effect of turning parameters and factor interactions on surface roughness is presented in 3D graphical form, which helps in selecting the optimum process parameters to achieve the desired surface quality.

  Info
Periodical
Advanced Materials Research (Volumes 150-151)
Edited by
Jinglong Bu, Zhengyi Jiang and Sihai Jiao
Pages
1667-1672
DOI
10.4028/www.scientific.net/AMR.150-151.1667
Citation
C. H. Che Haron, J. A. Ghani, M. S. Kasim, T.K. Soon, G. A. Ibrahim, M. A. Sulaiman, "Surface Intergrity of Inconel 718 under MQL Condition", Advanced Materials Research, Vols. 150-151, pp. 1667-1672, 2011
Online since
October 2010
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Price
$32.00
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