Application of the Entropy Weight and TOPSIS Method on Al–12% SiC Metal Matrix Composite during EDM

Bharat Chandra Routara, Rajesh Kumar Bhuyan and Arun Kumar Parida
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Bharat Chandra Routara: KIIT University, Bhubaneswar, India
Rajesh Kumar Bhuyan: KIIT University, Bhubaneswar, India
Arun Kumar Parida: KIIT University, Bhubaneswar, India

International Journal of Manufacturing, Materials, and Mechanical Engineering (IJMMME), 2014, vol. 4, issue 4, 49-63

Abstract: The objective of this paper is to find the optimum combination on different machining characteristics during electrical discharge machining process of Al-12%SiC Metal matrix composite. Central composite design (CCD) method is used to investigate the effect of three process parameters such as peak current (Ip), pulse on time (Ton), flushing pressure (Fp) on the four response parameters like Material removal rate (MRR), Tool wear rate (TWR), Radial over cut (ROC) and Surface roughness (SR). The multiple objective problems of machining characteristics are optimized by a combine approach of Technique for order preference by similarity to an ideal solution (TOPSIS) and entropy weight measurement method. The Analysis of Variance (ANOVA) is implemented to identify the statistically significant of the Closeness-coefficient results. Finally confirmation test is conducted to compare the experimental data and the predicted data at its optimum parameter to identify the effectiveness of the proposed method.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:igg:jmmme0:v:4:y:2014:i:4:p:49-63

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