1. Department of A.B.C., Politecnico di Milano, Piazza Leonardo Da Vinci 32, 20133 Milan, Italy
2. Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44, 3001 Leuven, Belgium
3. Aerospace Department, South Ural State University, Lenin ave. 76, 454080 Chelyabinsk, Russia