1. School of Industrial Engineering Purdue University West Lafayette IN 47097 USA
2. School of Mechanical Engineering Purdue University West Lafayette IN 47907 USA
3. School of Aeronautics and Astronautics Engineering Purdue University West Lafayette IN 47907 USA
4. School of Materials Engineering Purdue University West Lafayette IN 47907 USA
5. Birck Nanotechnology Center Purdue University West Lafayette IN 47907 USA