1. Department of Mechanical Engineering, KAIST, Daejeon 34141, South Korea and Department of Materials Engineering, NEDUET, Karachi 75270, Pakistan
2. Department of Mechanical Engineering, Lappeenranta University of Technology, P.O. Box 20, FI-53851 Lappeenranta, Finland
3. Department of Mechanical Engineering, KAIST, Daejeon 34141, South Korea and VTT Technical Research Centre of Finland, P.O. Box 20, FI-53851 Lappeenranta, Finland
4. Department of Mechanical Engineering, KAIST, Daejeon 34141, South Korea
5. VTT Technical Research Centre of Finland, P.O. Box 20, FI-53851 Lappeenranta, Finland