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Influence of Layup Sequence on the Surface Accuracy of Carbon Fiber Composite Space Mirrors

  • Zhiyong Yang
  • Qingnian Liu
  • Boming Zhang
  • Liang Xu
  • Zhanwen Tang
  • Yongjie Xie
Article
  • 305 Downloads

Abstract

Layup sequence is directly related to stiffness and deformation resistance of the composite space mirror, and error caused by layup sequence can affect the surface precision of composite mirrors evidently. Variation of layup sequence with the same total thickness of composite space mirror changes surface form of the composite mirror, which is the focus of our study. In our research, the influence of varied quasi-isotropic stacking sequences and random angular deviation on the surface accuracy of composite space mirrors was investigated through finite element analyses (FEA). We established a simulation model for the studied concave mirror with 500 mm diameter, essential factors of layup sequences and random angular deviations on different plies were discussed. Five guiding findings were described in this study. Increasing total plies, optimizing stacking sequence and keeping consistency of ply alignment in ply placement are effective to improve surface accuracy of composite mirror.

Keywords

Layup sequence Composite space mirror Angular increment Finite element analysis Random angular deviation 

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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Material Science and EngineeringBeihang UniversityBeijingChina
  2. 2.Aerospace Research Institute of Materials & Processing TechnologyBeijingChina
  3. 3.Xi’an Institute of Optics & Precision MechanicsChinese Academy of SciencesXi’anChina

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