1. Department of Civil Engineering Zhejiang Sci‐Tech University Hangzhou 310018 P. R. China
2. Department of Materials Science and NanoEngineering Rice University Houston TX 77005 USA
3. School of Aerospace Engineering & Applied Mechanics Tongji University Shanghai 200092 P. R. China
4. Center for Composite Materials and Structures Harbin Institute of Technology Harbin 150080 P. R. China