COMPOSITES SCIENCE AND ENGINEERING ›› 2024, Vol. 0 ›› Issue (7): 122-128.DOI: 10.19936/j.cnki.2096-8000.20240728.016

• REVIEW • Previous Articles    

Research progress on construction of stiffened interphase and rigid-soft interphase of carbon fiber composites

LI Baolai1, ZHEN Ziting2, BU Tongan2,3*, YANG Jiale2   

  1. 1. The Seventh Military Representative Office of Naval Equipment Department in Beijing, Beijing 100176, China;
    2. Beijing Composite Materials Co., Ltd., Beijing 102101, China;
    3. State Key Laboratory of Advanced Fiber Composites, Beijing 102101, China
  • Received:2023-01-13 Online:2024-07-28 Published:2024-08-08

Abstract: Carbon fiber reinforced polymer (CFRP) have excellent properties such as light weight, high strength, high modulus, and have wide application prospect in the fields of aerospace. As a bridge connecting the resin matrix and carbon fiber (CF) reinforcement, the interphase is an important factor affecting the mechanical properties of composite. Aiming at the problem that the modulus difference between carbon fiber and resin matrix is too large, it's an effective strategy to improve the interfacial properties by improving the modulus of interphase to make the modulus transition smoothly and improve the stress transfer efficiency. The construction methods of stiffened interphase and rigid-soft interphase in recent years are mainly summarized in the paper. Finally, some issues of the interphase of CFRP are discussed and the future trends of interfacial reinforcement research are prospected.

Key words: carbon fiber, composite, modulus transition, stress relief, interphase enhancement

CLC Number: