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ACTA AERONAUTICAET ASTRONAUTICA SINICA >

2024 , Vol. 45 >Issue 22: 30224 - 030224

DOI: https://doi.org/10.7527/S1000-6893.2024.30224

Reviews

Research progress on characterization methods for forming performance of unidirectional prepregs

  • Yueqing ZHAO ,
  • Dezhi LIN ,
  • Hui CHEN ,
  • Jiali TANG ,
  • Lidong WANG
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  • 1.Composites Center，Shanghai Aircraft Manufacturing Co. ，Ltd，Shanghai 201324，China
    2.School of Materials Science and Engineering，Lanzhou University of Technology，Lanzhou 730050，China
E-mail： wangld@lut.edu.cn

Received date: 2024-01-24

  Revised date: 2024-02-28

  Accepted date: 2024-04-17

  Online published: 2024-04-25

Supported by

National Natural Science Foundation of China(12262019)

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Abstract

In light of the increasing utilization of composite materials in civil aircraft and the pressing demand for domestic production， enhancing the manufacturing efficiency and forming quality of composite structural components has become a critical issue. To avoid defects such as wrinkles， buckling， and uneven thickness during the preforming process， it is imperative to comprehensively characterize the formability of prepregs. This characterization serves to evaluate the manufacturability of the materials， thereby， providing references for material selection and performance improvement， and furnishing data for the establishment of finite element simulation models. In comparison to woven prepregs， unidirectional prepregs find broader applications in civil aircraft composite structural components， especially for the manufacturing of main load-bearing structural components with high strength requirements. Therefore， characterizing the formability performance of unidirectional prepregs becomes crucial. This paper systematically reviews domestic and international research achievements in the forming performance testing of unidirectional prepregs， especially compression， intra-ply shear， interlaminar slip， and bending properties. Additionally， the paper explores the future directions in the development of preforming performance tests for prepreg.

Key words： unidirectional prepreg; forming; compression; intra-ply shear; interlaminar slip; bending; deformation mechnism

Cite this article

Yueqing ZHAO , Dezhi LIN , Hui CHEN , Jiali TANG , Lidong WANG . Research progress on characterization methods for forming performance of unidirectional prepregs[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2024 , 45(22) : 30224 -030224 . DOI: 10.7527/S1000-6893.2024.30224

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All copyright © editorial office of Chinese Journal of Aeronautics

Total visits: 6658907 Today visits: 1341