1. Department of Textile Engineering, Chemistry, and Science, North Carolina State University, Campus Box 8301, Raleigh, North Carolina 27695, USA
2. Department of Materials Science and Engineering, North Carolina State University, Campus Box 7907, Raleigh, North Carolina 27695, USA
3. Department of Mechanical and Aerospace Engineering, North Carolina State University, Campus Box 7910, Raleigh, North Carolina 27695, USA