Mechanical characterization and optimization of delamination factor in drilling bidirectional jute fibre-reinforced poly
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ORIGINAL ARTICLE
Mechanical characterization and optimization of delamination factor in drilling bidirectional jute fibre-reinforced polymer biocomposites Ahmed Belaadi 1,2
&
Messaouda Boumaaza 3 & Salah Amroune 4,5 & Mostefa Bourchak 6
Received: 31 May 2020 / Accepted: 5 October 2020 # Springer-Verlag London Ltd., part of Springer Nature 2020
Abstract In this comprehensive investigation, we evaluate the mechanical properties and the effect of drilling parameters (spindle speed, 355, 710 and 1400 rev/min; feed rate, 50, 108 and 190 mm/min; and the tool diameter, 5, 7 and 10 mm) as a function of the cutting process on the delamination factor when drilling jute fabrics reinforced epoxy matrix biocomposites. The study is carried out using different drill geometries and material (HSS_TiN, HSS and brad and spur drill bits). The design of experiment is developed by the application analysis of variance (ANOVA). The response surface methodology (RSM) and artificial neural networks (ANN) are applied to validate the results obtained during the experiment and to predict the behaviour of the structure under any cutting condition. Result analysis showed the superiority of the ANN model over the RSM model, while the feed rate had a significant contribution on spindle speed and diameter. The optimum conditions obtained for the Fd factor were a feed rate of 51 mm/min, a spindle speed of 1160 rev/min and a drilling diameter of 5 mm. Keywords Industrial fabrics/textiles . Composite delamination . Mechanical properties . Statistical properties/methods . Machining . RSM/ANN . Genetic algorithm optimization
1 Introduction Over the past decade, the use of plant fibres as a reinforcement for composite materials has been a real challenge for industry as well as for scientific researchers from an economic and ecological point of view [1, 2]. This is due to the potential of vegetable
* Ahmed Belaadi [email protected]; [email protected] 1
Faculté de Technologie, Département de génie mécanique, Université 20 août 1955, B.P.26 route El-Hadaiek, 21000 Skikda, Algeria
2
Laboratoire des Silicates, Polymères et Nano composites (LSPN), Université 08 Mai 1945, 24000 Guelma, Algeria
3
Laboratoire de Génie Civil & Hydraulique (LGCH), Université 8 Mai 1945, 24000 Guelma, Algeria
4
Département de Génie Mécanique, Université de M’sila, 166 M’Sila, BP, Algeria
5
Laboratoire de Matériaux et Mécanique des Structures (LMMS), Université de M’sila, M’Sila, Algeria
6
Aerospace Engineering Department, King Abdulaziz University, Jeddah, Saudi Arabia
fibres in terms of mechanical properties which can compete, for certain types of vegetable fibres, with synthetic glass fibres commonly used in industry [3–5]. Indeed, thanks to their low environmental impact and their recyclability (ecological); the composites reinforced by vegetable fibres, called biocomposites, are mainly used in the field of construction such as sports and transport, [6, 7]. On the other hand, the manufacturing processes of the latter are poorly controlled because of
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