1. School of Materials Engineering and Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, United States
2. School of Aeronautics and Astronautics, Purdue University, West Lafayette, Indiana 47907, United States
3. School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
4. U.S. Army Combat Capabilities Development Command Army Research Laboratory, Aberdeen Proving Ground, Maryland 21005, United States