1. State Key Laboratory of Material Processing and Die & Mould Technology School of Materials Science and Engineering Huazhong University of Science and Technology Wuhan Hubei 430074 P. R. China
2. State Key Laboratory of New Textile Materials and Advanced Processing Technologies & School of Textile Science and Engineering Wuhan Textile University Wuhan Hubei 430200 P. R. China
3. State Key Laboratory of Advanced Electromagnetic Engineering and Technology School of Electrical and Electronic Engineering Huazhong University of Science and Technology Wuhan Hubei 430074 P. R. China