Analysis of delamination in drilling glass fiber reinforced polyester composites |
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| Affiliation: | 1. Department of Manufacturing Engineering, Annamalai University, Chidambaram 608 002, India;2. Department of Mechanical Engineering, Sri Sai Ram Institute of Technology, Chennai 600 044, India;1. Tafresh University, Department of Mechanical Engineering, 7961139518 Tafresh, Iran;2. University of Bologna, Department of Industrial Engineering DIN, Via Fontanelle 40, 47121 Forlì, Italy;1. School of Manufacturing Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, Perlis, Malaysia;2. Faculty of Engineering Technology, Universiti Malaysia Perlis, Pauh Putra Campus, Perlis, Malaysia;1. Department of Aeronautical Engineering, Military Institute of Science and Technology, Dhaka, Bangladesh;2. Department of Industrial and Production Engineering, Bangladesh University of Engineering and Technology, Dhaka, Bangladesh;1. School of Manufacturing Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, Arau, Perlis, Malaysia;2. Faculty of Engineering Technology, Universiti Malaysia Perlis, UniCITI Campus, Padang Besar, Perlis, Malaysia;3. School of Mechatronics Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, Arau, Perlis, Malaysia |
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| Abstract: | Glass fiber reinforced plastic (GFRP) composite materials are finding increased application in aeronautical, automobile and structural applications. Drilling is a complex process, owing to their tendency to delaminate is used to join composite structures. In the present work, an attempt has been made to develop empirical relationships between the drilling parameters such as fiber orientation angle, tool feed rate, rotational speed and tool diameter with respect to delamination in drilling of GFR–polyester composites. The empirical relationship has been developed by using response surface methodology. The developed model can be effectively used to predict the delamination in drilling of GFRP composites within the factors and their limits are studied. The result indicated that the increase in feed rate and drill diameter increases the delamination size whereas there is no clear effect is observed for fiber orientation angle. The spindle speed shows only little effect on delamination in drilling of GFR–Polyester composites. |
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