1. School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723001, China
2. State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
3. AVIC Shaanxi Huayan Aero-Instrument Co., Ltd., Hanzhong 723000, China
4. School of Materials Science and Engineering, Shaanxi University of Technology, Hanzhong 723001, China