Numerical and Experimental Investigations on Deep Drawing of G1151 Carbon Fiber Woven Composites
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Numerical and Experimental Investigations on Deep Drawing of G1151 Carbon Fiber Woven Composites A. Gherissi 1 & F. Abbassi 1,2 & A. Ammar 3 & A. Zghal 1
Published online: 14 November 2015 # Springer Science+Business Media Dordrecht 2015
Abstract This study proposes to simulate the deep drawing on carbon woven composites in order to reduce the manufacturing cost and waste of composite material during the stamping process, The multi-scale anisotropic approach of woven composite was used to develop a finite element model for simulating the orientation of fibers accurately and predicting the deformation of composite during mechanical tests and forming process. The proposed experimental investigation for bias test and hemispherical deep drawing process is investigated in the G1151 Interlock. The mechanical properties of carbon fiber have great influence on the deformation of carbon fiber composites. In this study, shear angle–displacement curves and shear load–shear angle curves were obtained from a bias extension test. Deep drawing experiments and simulation were conducted, and the shear load–displacement curves under different forming depths and shear angle–displacement curves were obtained. The results showed that the compression and shear between fibers bundles were the main deformation mechanism of carbon fiber woven composite, as well as the maximum shear angle for the composites with G1151 woven fiber was 58°. In addition, during the drawing process, it has been found that the forming depth has a significant influence on the drawing force. It increases rapidly with the increasing of forming depth. In this approach the suitable forming depth deep drawing of the sheet carbon fiber woven composite was approximately 45 mm. Keywords Carbon fiber woven . Bias test . Shear angle . Anisotropic approach . Finite elements modelling . Forming
* F. Abbassi [email protected] 1
URMSSDT- ENSIT, 5 Avenue Taha Hussein, BP, 56, 1008 Bâb Manara, Tunisia
2
Mechanical Engineering Department, College of Engineering, Dhofar University, PO Box 2509, Postal Code 211 Salalah, Sultanate of Oman
3
ENSAM Arts et Métiers Paris-Tech d’Angers, 2 boulevard du Ronceray BP 93525, 49035 Angers, CEDEX 01, France
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Appl Compos Mater (2016) 23:461–476
1 Introduction Being lightweight, facility of manufacturing processes and saving energy are the main objectives of aircraft and automobile industry. To improve the fuel efficiency, we need to reduce the weight of vehicles. Many experimental results show that approximately 40 % of automobile fuel consummation is used to overcome the inertia of the cars in motion [1]. Traditional manufacturing technologies such as extrusion forming, resin transfer molding, compression molding are time-consuming and inefficient. However, the thermal stamp process is considered as an efficient manufacturing technology for carbon fiber woven composites (CFWC) [1]. The stamping operating parameters e.g. temperature, speed and blank holder force have a direct influence on wrinkles of the parts [1]. This problem has b
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