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Multi-objective optimisation on end milling of hybrid fibre-reinforced polymer composites using GRA

M.P. Jenarthanan (School of Mechanical Engineering, SASTRA University , Thanjavur, India)
Raahul Kumar S (School of Mechanical Engineering, SASTRA University , Thanjavur, India)
Vinoth S (School of Mechanical Engineering, SASTRA University , Thanjavur, India)

Pigment & Resin Technology

ISSN: 0369-9420

Article publication date: 2 May 2017

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Abstract

Purpose

This study aimed to develop a mathematical model for delamination and surface roughness during end milling by using grey relational analysis (GRA) and to determine how the input parameters (cutting speed, depth of cut, helix angle and feed rate) influence the output response (delamination and surface roughness) in machining of hybrid glass fibre-reinforced plastic (GFRP) (abaca and glass) composite using solid carbide end mill cutter.

Design/methodology/approach

The Four factors, three levels Taguchi orthogonal array design in GRA is used to conduct the experimental investigation. The Shop Vision inspection system is used to measure the width of maximum damage of the machined hybrid GFRP composite. The Shop Handysurf E-35A surface roughness tester is used to measure the surface roughness of the machined hybrid GFRP composite. “Minitab 14” is used to analyse the data collected graphically. Analysis of variance is conducted to validate the model in determining the most significant parameter.

Findings

The GRA is used to predict the input factors influencing the delamination and surface roughness on the machined surfaces of the hybrid GFRP composite at different cutting conditions with the chosen range of 95 per cent confidence intervals. Analysis on the influences of the entire individual input machining parameters on the delamination and surface roughness has been conducted using GRA.

Originality/value

Effect of milling of the hybrid GFRP composite on delamination and surface roughness with various helix angle solid carbide end mill has not been analysed yet using the GRA technique.

Keywords

Citation

Jenarthanan, M.P., S, R.K. and S, V. (2017), "Multi-objective optimisation on end milling of hybrid fibre-reinforced polymer composites using GRA", Pigment & Resin Technology, Vol. 46 No. 3, pp. 194-202. https://doi.org/10.1108/PRT-09-2015-0085

Publisher

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Emerald Publishing Limited

Copyright © 2017, Emerald Publishing Limited