1. Department of Mechanical Science and Engineering; University of Illinois at Urbana-Champaign; 1206 W. Green St.; Urbana; IL; 61801; USA
2. Department of Mechanical Engineering; Yildiz Technical University; 34349; Besiktas; Istanbul; Turkey
3. Department of Aerospace Engineering; University of Illinois at Urbana-Champaign; 104 S. Wright St.; Urbana; IL; 61801; USA
4. Institut für Werkstoffkunde; Leibniz Universität Hannover, An der Universität 2; D-30823; Garbsen; Germany