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Title: Optimized high speed turning on Inconel 718 using Taguchi method based Grey relational analysis
Authors: Satyanarayana, B
Janardhana, G Ranga
Rao, D Hanumantha
Keywords: Inconel 718;High speed machining;Grey relational analysis;ANOVA
Issue Date: Aug-2013
Publisher: NISCAIR-CSIR, India
Abstract: Inconel 718, a Nickel based super alloy which has wide applications in aerospace industry particularly in the hot sections of gas turbine engines due to their high temperature strength and corrosion resistance. It is known as being among the most difficult-to-cut materials. This paper presents an optimum process parameters (speed, feed and depth of cut) to minimize the cutting force, surface roughness and tool flank wear together in CNC high speed dry turning of Inconel 718 using Taguchi method based Grey relational analysis. The study involved nine experiments based on Taguchi orthogonal array and the result indicates that the optimal process parameters are 60 m/min for speed, 0.05 mm/rev for feed and 0.2 mm for depth of cut from the selected range. Also the significant process parameters have been found out for the above process optimization by performing ANOVA. Confirmation tests with the optimal levels of cutting parameters are carried out in order to illustrate the effectiveness of the method.
Page(s): 269-275
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.20(4) [August 2013]

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