A comparison study on delamination in hand layup and compression moulded jute - human hair polymer composites

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S. Panneer Selvan, K. Vigneshwaran, N.Vinothbabu, M. Ajin, Dr.A.Paramasivam

Abstract

Natural fibre composites are presently used in various applications like automobile body panels to numerous house holding applications including furniture since it has various advantages such as better strength to weight ratio, reduced corrosion and ability to recycle. This composite panels need to undergo the drilling operation in order enable them to assemble with other components. Many a times the quality of drilled holes is not good because of the anisotropic nature of natural fibre composites.  So, it is very important to select the best combination of machining parameters like drilling speed, feed rate and also the proper selection of dill bit material and its nomenclature. The mechanical strength of composite material also plays an important role in deciding the quality of hole. In this work, an effort has been made to study the effect of various parameters while drilling jute-human hair hybrid composites. In order to study the effect of strength, composite laminates were fabricated by hand lay-up and compressed moulding methods with 25% fibre volume. Three types of High-Speed Steel drill bits with 5mm diameter were used to investigate the delamination factor with three levels of spindle speed and feed rate. Diameter of drilled holes was measured by image processing technique to achieve better results.

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