1. Laboratoire Microstructures et Défauts dans les Matériaux, Univeristé Frères Mentouri
Constantine 1, Route Ain El Bey, Constantine, Algeria
2. Department of Matter Sciences, Abbès Laghrour University of Khenchela, Khenchela, Algeria
3. LGEM Laboratory, University of Biskra, Biskra, Algeria
4. Laboratory of Electromechanical Systems (LASEM), National School of Engineers of Sfax
(ENIS), University of Sfax (US), Sfax, Tunisia