1. Associate Professor, Dept. of Materials Science and Engineering, Univ. of Utah, Salt Lake City, UT 84112-0560 (corresponding author).
2. Assistant Professor, Dept. of Mechanical Engineering, Gebze Institute of Technology, TR-41400 Gebze Kocaeli, Turkey.
3. Professor, Centre for Marine Technology and Engineering, Instituto Superior Tecnico, Univ. of Lisbon, 1049-001 Lisbon, Portugal.