Investigations of Damages during Drilling of Natural Sandwich Composites

Abstract:

The present research investigates the damage during drilling of natural sandwich composites. Three composite samples were prepared by using reinforcements namely vetiver, jute and glass in vinyl ester as matrix. Drilling operations were done on the composites and responses namely damage factor and surface roughness were measured. The responses were optimized in order to get optimal running conditions. Fuzzy modelling was done and its predictions of responses for experimental conditions were examined. A comparative analysis between the experimental, model and fuzzy was done. Confirmatory trials were made for optimum conditions and the responses were measured. Model validation was done by measuring the average error between the model and confirmatory and between the model and fuzzy. The errors were minimal and hence the optimization was accurate.

• Periodical: Applied Mechanics and Materials (Volumes 766-767)
• Pages: 812-817
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.766-767.812
• Online since: June 2015
• Authors: R. Vinayagamoorthy*, N. Rajeswari, S. Karthikeyan
• Keywords: Damage Factor, Natural Fibers, Optimization, Surface Roughness

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