Multiple Response Optimization of Three-Body Abrasive Wear Behaviour of Graphite Filled Carbon-Epoxy ComPosites Using Grey-Based Taguchi Approach

K.M. Subbaya, N. Rajendra, Y.S. Varadarajan, B. Suresha

Department of Industrial & Production Engineering, The National Institute of Engineering, Mysore, INDIA.
Department of Mechanical Engineering, The National Institute of Engineering, Mysore, INDIA.

DOI: 10.4236/jmmce.2012.119082                

Abstract

The three-body abrasive wear behaviour of carbon fabric reinforced epoxy (C-E) composites has been evaluated by the addition of graphite (G) particles as a secondary reinforcement. Three-body abrasive wear test were conducted using dry sand rubber wheel abrasion tester as per ASTM G-65 with three process parameters load, abrading distance and filler content. To assess the abrasive wear behaviour of particulate filled C-E composites satisfying multiple performance measure, grey-based Taguchi approach has been adopted. The experiments were designed according to Taguchi’s orthogonal array (L?₂₇). The grey relational analysis was applied to convert a multi response process optimization to a single response. Using analysis of variance, significant contributions of process parameters have been determined. The results indicate that the addition of graphite particles into C-E composite increased the wear resistance considerably. It was observed that highest wear resistance of C-E composite was achieved with incorporation of 10 wt. % of graphite filler. Results indicate that the filler content and grit size of abrasive paper were found to be the most significant factor which has influence on the abrasive wear of C-E composite. The worn surface features were examined through scanning electron microscope to probe the wear mechanism.

Keywords

Composites; Three-Body Abrasion; Grey Relational Analysis; Scanning Electron Microscope

Conflicts of Interest

The authors declare no conflicts of interest.

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