Institution: | 1. Institute of Mechanics , Montanuniversit?t Leoben , Franz-Josef-Stra?e 18, A-8700 Leoben, Austria mechanik@mu-leoben.at;3. Institute of Physics of Materials , Academy of Sciences of the Czech Republic , ?i?kova 22, CZ-616 62, Brno, Czech Republic;4. Institute of Mechanics , Montanuniversit?t Leoben , Franz-Josef-Stra?e 18, A-8700 Leoben, Austria |