Experimental Investigation and Analysis of Machining Parameters in Drilling of Fly Ash Filled Carbon Fibre Reinforced Composites

Abstract:

The carbon fibre reinforced composites are one such class of materials finding widespread application owing to their superior mechanical and chemical properties. The addition of fillers has further increased their application spectrum. The present paper focuses on the multiple performances analysis in machining characteristics of drilling carbon fibre reinforced Composites produced through compression moulding route. Experiments are conducted on a radial drilling machine using L₁₆orthogonal array. Drilling test is carried out using coated HSS drill of 6 and 10 mm diameter. The effect of drill diameter, wt % of fly ash,spindle speed and the feed rate has been investigated on the thrust force and delamination. After conducting experiment, mathematical models have been developed to fit the output responses using Response surface methodology and drilling parameters have been optimized using Desirability based approach. This methodology deals with the development of modelling equations for each response.The relative significance of the various parameters has been found using ANOVA.

• Periodical: Applied Mechanics and Materials (Volumes 813-814)
• Pages: 322-331
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.813-814.322
• Online since: November 2015
• Authors: T. Rajmohan, Srinivasan Sridhar, Vedula Ganesh, R. Sathiamitthran
• Keywords: CFRP, Delamination, Drilling, Fly Ash, Grey Analysis, Surface Roughness, Thrust Force

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