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Appl. Sci. 2018, 8(4), 549; https://doi.org/10.3390/app8040549

Prediction of the Tensile Load of Drilled CFRP by Artificial Neural Network

1
Department of Mechanical Engineering, Batman University, Batman 72100, Turkey
2
Department of Mechanical Engineering, Dicle University, Diyarbakır 21100, Turkey
*
Author to whom correspondence should be addressed.
Received: 2 March 2018 / Revised: 27 March 2018 / Accepted: 27 March 2018 / Published: 2 April 2018
(This article belongs to the Section Mechanical Engineering)
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Abstract

The application areas of carbon fiber reinforced plastics (CFRP) have been increasing day by day. The machining of CFRP with incorrect machining parameters leads in huge loss cost and time. Therefore, it is very important that the composite materials are machined with correct machining parameters. The aim of this paper is to examine the influence of drilling parameters on tensile load after drilling of CFRP. The drilling operations were carried out on Computer Numerical Control (CNC) by Tungsten Carbide (WC), High Speed Steel (HSS) and Brad Spur type drill bits with spindle speeds of 1000, 3000 and 5000 rpm and feed rates of 0.05, 0.10 and 0.15 mm/rev. The results indicate that the surface roughness, delamination and thrust force, were affected by drilling parameters therefore tensile load was also affected by the same parameters. It was observed that increase in surface roughness, delamination and thrust force all lead to the decrease of tensile load of CFRP. If the correct drilling parameters are selected; the decrease in tensile load of CFRP can be saved up to 25%. Furthermore, an artificial neural network (ANN) model has been used to predict of tensile load. The results of the ANN model are in close agreement with the experimental results. View Full-Text
Keywords: CFRP; drilling; surface roughness tensile load CFRP; drilling; surface roughness tensile load
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Yenigun, B.; Kilickap, E. Prediction of the Tensile Load of Drilled CFRP by Artificial Neural Network. Appl. Sci. 2018, 8, 549.

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