Volume 36 Issue 2
Apr.  2021
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LÜ Chao, LI Feng, SUN Xinyang. Microscopic Analysis of Compression Response of Carbon Fiber Composites[J]. Development and Application of Materials, 2021, 36(2): 26-34.
Citation: LÜ Chao, LI Feng, SUN Xinyang. Microscopic Analysis of Compression Response of Carbon Fiber Composites[J]. Development and Application of Materials, 2021, 36(2): 26-34.
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Microscopic Analysis of Compression Response of Carbon Fiber Composites

  • 1. China Academy of Aerospace Aerodynamics, Beijing 100074, China;

  • 2. School of Aeronautics and Astronautics, Harbin Institute of Technology, Harbin 150001, China

  • Received Date: 2021-01-14
  • Publish Date: 2021-04-25
    Abstract
  • An experimental platform was designed, and the sensitivity coefficient between the fiber compression strain and the resistance calibrated. The calibrated fibers are made into single-filament and multi-filament composite material system compression test specimens. Under the compressive load conditions, the influence of fiber fracture of multi-filament composite material specimen on surrounding fibers was investigated, and the maximum deformation of the fiber at the fracture was measured accurately. On the above basis, numerical methods were adopted to simulate the damage process of the micro-buckling of fibers around the fracture caused by the stress distribution of the matrix.

     

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