1. College of Polymer Science and Engineering; State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu 610065 China
2. CAS Key Laboratory of Mechanical Behavior and Design of Materials; Department of Modern Mechanics; University of Science and Technology of China; Hefei Anhui 230026 China
3. School of Materials Science and Engineering; Nankai University; Tianjin 300071 China
4. School of Aeronautics and Astronautics; Sichuan University; Chengdu 610065 China
5. Department of Mechanical Engineering; Villanova University; Villanova PA 19087 USA